This document is a guide to cables and connectors for Catalyst
6500/6000, 5500/5000, and 4500/4000 series switching modules and
Catalyst 2900/3500 XL, 2940, 2970, 2950/2955, 3550, and 3750 series
fixed-configuration switches. AC power supplies, connectors, and cords
for these switches are also covered.
Note: The ports on Catalyst switches that run Cisco IOS® Software (Native) can be configured to act as Layer 2 (L2) or Layer 3 (L3) ports. When you connect the RJ-45 cable from a Layer 3 port, which acts as a router port, to other devices, use the previous table. In summary, the cables used do not change, regardless of whether the port is configured to be in Layer 2 (switch port) or Layer 3 (router port) mode.
Note: A Catalyst 2950 switch is used for demonstration purposes.
GBIC and SFP support depends on the platform and software version. Refer to these documents for GigabitEthernet system requirements, as well as GBIC system requirements, Coarse Wave Division Multiplexer (CWDM) GBIC, Gigastack GBIC, and SFP system requirements:
Note: This guide does not cover cables for the Catalyst 6000 Optical Services Module (OSM) or port adapter cables for the FlexWAN card.
Refer to Optical Services Module Installation and Verification Note for OSM cabling and specifications.
Refer to FlexWAN Module Port Adapter Install/Config Notes for FlexWAN port adapter cabling and specifications.
1 LX/LH GBICs require a mode-conditioning patch cord between the GBIC and MMF. Refer to the Mode-Conditioning Patch Cord section of the document Connector and Cable Specifications for more information.
Note: This guide does not cover Catalyst 5000 Fiber Distributed Data Interface (FDDI) and Copper Distributed Data Interface (CDDI) cables, Catalyst 5000 ATM cables, or Catalyst 5000 Token Ring cables. Refer to Installation Preparation for cabling and specifications for these modules.
1 Category 3 UTP cable can transmit data at speeds of up to 10 Mbps and therefore is only used for 10 Mbps network devices. Catalyst 5000 10Base-T telco switching modules can use Category 3 cable, but Category 5 cable is required for all other 10/100 Base-TX switching modules.
2 LX/LH GBICs require a mode-conditioning patch cord between the GBIC and MMF. Refer to the Mode-Conditioning Patch Cord section of the document Connector and Cable Specifications for more information.
Refer to Catalyst 4000 Switching Modules for the detailed specification for the Catalyst 4000 switching modules.
Note: The Catalyst 3750 switch ships with a 0.5-meter StackWise cable that you can use in order to connect the StackWise ports on the rear panel. You can also order these StackWise cables from your Cisco sales representative:
Note: Some Catalyst 3550 switches support the GigaStack GBIC, which requires a Cisco proprietary cable of either CAB-GS-50CM (0.5-meter cable) or CAB-GS-1M (1-meter cable).
Note: This guide does not cover the Catalyst 2950 Long-Reach Ethernet (LRE) Switches. Refer to Long-Reach Ethernet Products for more information on cabling and specifications.
Note: Some Catalyst 2950 switches support the GigaStack GBIC, which requires a Cisco proprietary cable of either CAB-GS-50CM (0.5-meter cable) or CAB-GS-1M (1-meter cable).
Note: This guide does not cover the WS-C2912-LRE-XL or WS-C2912-LRE-XL switches. Refer to the Long-Range Ethernet Ports section of Product Overview (Catalyst 2900 Series XL switches) for more information on cabling and specifications.
Note: Some Catalyst 3500XL switches support the GigaStack GBIC, which requires a Cisco proprietary cable of either CAB-GS-50CM or CAB-GS-1M.
Different Modules require different amount of power. Inline Power modules supplies the power to the IP phones. Cisco has inline power module to power the IP phones. You have to choose the correct power supply in order to support the various line cards, modules and Supervisor Engines on the switch. Cisco offers a tool called the Cisco Power calculator which can be used in order to choose the correct power supply for your switch. Launch the Cisco Power calculator and fill out the Product family, Supervisor Engine, Input voltage, line cards and the number of PoE devices. IP phones are the example for PoE devices and most of the IP phones belong to IEEE 802.3af Device - Class 2 (7W). Then the power calculator shows the results of different choices of Power Supplies. From that you can choose the required power supply. The power supplies successfully operate at their greatest capacity if the input voltage is between 200 and 240 volts AC.
Note: This document does not discuss the total power available with the currently shipped power supplies for Catalyst 6500/6000 series switches or the amount drawn from each Catalyst 6500/6000 series line card. Refer to the document Power Management for Catalyst 6000 Series Switches for this information.
Refer to Catalyst 4000 Series Installation Guide - Site Planning for the list of Catalyst 4000 Power supplies, cables and the corresponding part numbers.
Category 5 telco cables can be ordered directly from Cisco. Refer to Cisco.com for ordering information. This is the information on Cisco part numbers.
This table shows the pin-out pattern used on Catalyst 10/100TX (and 10BaseT) RJ-21 switching modules.
Console and Aux Port Cables
Different Catalyst Supervisor Engines use either a rolled or a straight-through cable in order to connect a terminal or modem to the console port. Refer to these documents for information on how to connect a terminal or modem to the console port of Catalyst series switches:- Connecting a Terminal to the Console Port on Catalyst Switches
- Connecting a Modem to the Console Port on Catalyst Switches
Which RJ-45 Ethernet Cable Do I Use?
A common question that concerns RJ-45 unshielded twisted pair (UTP) Ethernet cable concerns how to distinguish between rolled, straight-through, and crossover cables, and when to use them. Use the comparison guide found in the Types of RJ-45 Cabling section of Cabling Guide for Console and AUX Ports in order to see the difference between these cables.Cables to Hubs, Switches, Routers, and Workstations
Crossover and straight-through cables are used in order to connect switch ports or interfaces to network devices. Consult this table in order to see when to use each of these cable types. Find the device in the left-hand column and match it up with another device in the top row. The intersection of these two devices gives you the cable type used to connect them together.| Hub | Switch | Router | Workstation | |
|---|---|---|---|---|
| Hub | Crossover | Crossover | Straight | Straight |
| Switch | Crossover | Crossover | Straight | Straight |
| Router | Straight | Straight | Crossover | Crossover |
| Workstation | Straight | Straight | Crossover | Crossover |
Note: The ports on Catalyst switches that run Cisco IOS® Software (Native) can be configured to act as Layer 2 (L2) or Layer 3 (L3) ports. When you connect the RJ-45 cable from a Layer 3 port, which acts as a router port, to other devices, use the previous table. In summary, the cables used do not change, regardless of whether the port is configured to be in Layer 2 (switch port) or Layer 3 (router port) mode.
Most Common Cable Connectors
These diagrams show some of the most common cable types and connectors used on Catalyst switches.| RJ-45 | RJ-21 Telco |
|---|---|
 |
 |
| This is used in order to connect to 10/100 or 10/100/1000 Ethernet ports and 1000Base-T Gigabit Interface Converter (GBIC) or small form factor pluggable (SFP) GBIC ports. 10/100/1000 Ethernet ports must use four twisted-pair Category 5, 5e or 6 cables. | This is used in order to connect to 10/100BASE-TX RJ-21 telco interfaces. Use Category 5 UTP cables with male RJ-21. |
| MT-RJ Fiber-Optic | SC Fiber-Optic |
|---|---|
 |
 |
| This is used in order to connect to 100Base-FX fiber-optic ports. Use multimode fiber (MMF) cables with MT-RJ connectors. | This is used in order to connect to 100Base-FX, 1000Base-SX, Long Wavelength/Long Haul (LX/LH) and ZX fiber-optic ports or GBICs. Use MMF or single-mode fiber (SMF) fiber-optic cable. |
| LC Fiber-Optic | GigaStack |
|---|---|
 |
  |
| This is used in order to connect to SFP fiber-optic module ports. | This is used in order to connect to GigaStack GBIC ports. Cisco GigaStack technology uses proprietary GBICs and cables. |
| StackWise |
|---|
 |
| This is used in order to connect to StackWise ports on the rear panel of Catalyst 3750 switches. Cisco StackWise technology uses proprietary connectors and cables. |
GBIC and SFP Connectors
Many Catalyst switches, Supervisor Engines and switching modules have removable Gigabit Interface Converters (GBICs) or small form factor pluggable (SFP)-type connectors. These diagrams show some of the most common GBIC and SFP connectors used on Catalyst switches.Note: A Catalyst 2950 switch is used for demonstration purposes.
| 1000Base-X | 1000Base-T |
|---|---|
 |
 |
| This uses SC fiber-optic connector and MMF or SMF cable. Part numbers: WS-G5484 (1000Base-SX GBIC) WS-G5486 (1000Base-LX/LH GBIC) WS-G5487 (1000Base-ZX GBIC) | This uses RJ-45 connector and cable. Part number: WS-G5483 (1000Base-T GBIC) |
| WS-X3500-XL GigaStack GBIC | SFP Module |
|---|---|
 |
 |
| This uses Cisco Gigastack connector and cable. Part Number: WS-X3500-XL (GigaStack GBIC) | This uses LC fiber-optic connector or RJ-45 for 1000Base-T SFP. Part numbers: GLC-T (1000Base-T SFP) GLC-SX-MM (1000Base-SX SFP) GLC-LH-SM (1000Base-LX/LH SFP) GLC-ZX-SM (1000Base-ZX) |
GBIC and SFP support depends on the platform and software version. Refer to these documents for GigabitEthernet system requirements, as well as GBIC system requirements, Coarse Wave Division Multiplexer (CWDM) GBIC, Gigastack GBIC, and SFP system requirements:
- System Requirements to Implement Gigabit Ethernet on Catalyst Switches
- Catalyst GigaStack Gigabit Interface Converter Switch Compatibility Matrix
- 1000BASE-T GBIC Installation Notes
- Gigabit
Interface Converter (GBIC) Module and Small Form-Factor Pluggable (SFP)
GBIC Module Installation Information and Specifications
- GBIC, SFP, and Passive Devices Documentation
Catalyst 6500/6000 Switch Connectors and Cables
Identify the switch chassis and switching module part number. Use this table in order to match up the part number with the type of connector and cable used.Note: This guide does not cover cables for the Catalyst 6000 Optical Services Module (OSM) or port adapter cables for the FlexWAN card.
Refer to Optical Services Module Installation and Verification Note for OSM cabling and specifications.
Refer to FlexWAN Module Port Adapter Install/Config Notes for FlexWAN port adapter cabling and specifications.
| Switching Module Part Number | Connector Type | Cable Description | Cable/Connector Specifications |
|---|---|---|---|
| WS-X6148-RJ45V WS-X6248-RJ45 WS-X6348-RJ45 WS-X6348-RJ45V WS-X6548-RJ45 48 10/100 or 10/100 inline power Ethernet ports WS-X6148-GE-TX WS-X6148V-GE-TX WS-X6548-GE-TX WS-X6548V-GE-TX 48 10/100/1000 or 10/100/1000 inline power Ethernet ports (1000Base-T) WS-X6748-GE-TX 48 10/100/1000 Ethernet ports (used with Supervisor 720 only) | RJ-45 (for 10/100 and 1000Base-T ports) | Category 5, 5e, or 6 UTP | Catalyst 6500/6000 Hardware Guide |
| WS-X6516-GE-TX 16 10/100/1000 Base-T Gigabit Ethernet ports | RJ-45 (for 1000Base-T GBIC) | Category 5, 5e, or 6 UTP | |
| WS-X6148-RJ21V WS-X6248-TEL WS-X6248A-TEL WS-X6348-RJ21V WS-X6548-RJ21 48 Port 10/100 Ethernet ports | RJ-21 telco (4 connectors) | Category 5 UTP cable | |
| WS-X6024-10FL-MT 24 10Base-FL ports WS-X6224-100FX-MT WS-X6324-100FX-MM WS-X6324-100FX-SM WS-X6524-100FX-MM 24 100Base-FX ports | MT-RJ fiber-optic | SMF/MMF fiber-optic | |
| WS-X6416-GE-MT 16 100Base-FX Gigabit Ethernet ports (1000Mbps) | MT-RJ fiber-optic | MMF fiber-optic | |
| WS-X6408-GBIC WS-X6408A-GBIC WS-X6416-GBIC WS-X6516-GBIC WS-X6516A-GBIC WS-X6816-GBIC 8 or 16 GBIC module slots | RJ-45 (for 1000Base-T GBIC) | Category 5, 5e, 6 UTP | |
| SC fiber-optic 1 (1000BaseSX/LX/ZX and CWDM GBICs) | MMF fiber-optic | ||
| WS-X6501-10GEX4 1 port 10-Gigabit Ethernet WS-X6502-10GE with Optical Interface Module (OIM) 1-port 10-Gigabit Ethernet WS-X6704-10GE 4 port 10-Gigabit Ethernet (used with Supervisor 720 only) | SC fiber-optic | SMF or dispersion-shifted SMF fiber-optic | |
| WS-X6724-SFP 24 SFP module slots (used with Supervisor 720 only) | RJ-45 (for 1000Base-T SFP) | Category 5, 5e, 6 UTP | |
| LC fiber-optic (for 1000Base-SX/LX/ZX SFPs) | SMF/MMF fiber-optic |
1 LX/LH GBICs require a mode-conditioning patch cord between the GBIC and MMF. Refer to the Mode-Conditioning Patch Cord section of the document Connector and Cable Specifications for more information.
Catalyst 5500/5000 Connectors and Cables
Identify the switching module part number. Use this table in order to match up the part number with the type of connector and cable used.Note: This guide does not cover Catalyst 5000 Fiber Distributed Data Interface (FDDI) and Copper Distributed Data Interface (CDDI) cables, Catalyst 5000 ATM cables, or Catalyst 5000 Token Ring cables. Refer to Installation Preparation for cabling and specifications for these modules.
| Switching Module Part Number | Connector Type | Cable Description | Cable/Connector Specifications |
|---|---|---|---|
| WS-X5013 WS-X5014 24 or 48 10-Base-T Ethernet ports WS-X5113 WS-X5223 12 or 24 100Base-TX Ethernet ports WS-X5203 WS-X5213A 12 10/100 Ethernet ports WS-X5224 WS-X5225R WS-X5234-RJ45J45 24 10/100 Ethernet ports | RJ-45 | Category 3 or 5 UTP cable 1 | Catalyst 5000 Hardware Guide |
| WS-X5012 WS-X5012A WS-X5020 48 Port 10Base-T Ethernet ports WS-X5239-RJ21 48 10/100 Ethernet ports | RJ-21 telco | Category 3 or 5 UTP cable 1 | |
| WS-X5015-MT 24 10Base-FL ports WS-X5236-FX-MT WS-X5237-FX-MT 24 100Base-FX | MT-RJ fiber-optic | SMF/MMF fiber-optic | |
| WS-X5114 WS-X5201 WS-X5201R 12 100Base-FX ports | SC fiber-optic (for 100Base-FX) | SMF/MMF fiber-optic | |
| WS-X5403 3 port GBIC modules slots WS-X5410 9 GBIC module slots | SC fiber-optic (for 1000BaseSX/LX/ZX GBICs) | SMF/MMF 2 fiber-optic |
1 Category 3 UTP cable can transmit data at speeds of up to 10 Mbps and therefore is only used for 10 Mbps network devices. Catalyst 5000 10Base-T telco switching modules can use Category 3 cable, but Category 5 cable is required for all other 10/100 Base-TX switching modules.
2 LX/LH GBICs require a mode-conditioning patch cord between the GBIC and MMF. Refer to the Mode-Conditioning Patch Cord section of the document Connector and Cable Specifications for more information.
Catalyst 4500/4000 Switch Connectors and Cables
Refer to Module Overview for the detailed specification for the Catalyst 4500 switching modules.Refer to Catalyst 4000 Switching Modules for the detailed specification for the Catalyst 4000 switching modules.
Catalyst 3750 Connectors and Cables
Identify the switch chassis part number. Use this table in order to match up the part number with the type of connector and cable used.Note: The Catalyst 3750 switch ships with a 0.5-meter StackWise cable that you can use in order to connect the StackWise ports on the rear panel. You can also order these StackWise cables from your Cisco sales representative:
- CAB-STACK-50CM= (0.5-meter cable)
- CAB-STACK-1M= (1-meter cable)
- CAB-STACK-3M= (3-meter cable)
| Part Number | Connector Type | Cable Type | Cable/Connector Specifications |
|---|---|---|---|
| WS-C3750-24TS WS-C3750-48TS 24 or 48 10/100 Ethernet ports and 2 or 4 SFP module slots | RJ-45 (for 10/100 ports) | Category 5, 5e, or 6 UTP cable | Catalyst 3750 Hardware Guide |
| SFP: LC fiber-optic (for 1000Base-SX/LX) or RJ-45 (for 1000Base-T) | SFP: SMF/MMF fiber-optic, or Cat5, 5e, or 6 | ||
| WS-C3750G-24TS 24 10/100/1000 and 4 SFP module slots | RJ-45 (for 10/100/1000 ports) | Category 5, 5e, or 6 UTP cable | |
| SFP: LC fiber-optic (for 1000Base-SX/LX) or RJ-45 (for 1000Base-T) | SFP: SMF/MMF fiber-optic, or Cat5, 5e, or 6 | ||
| WS-C3750G-24T 24 10/100/1000 Ethernet ports | RJ-45 | Category 5, 5e, or 6 UTP cable | |
| WS-C3750G-12S 12 SFP module slots | SFP: LC fiber-optic (for 1000Base-SX/LX) or RJ-45 (for 1000Base-T) | SFP: SMF/MMF fiber-optic, or Cat5, 5e, or 6 |
Catalyst 3560/3560E Connectors and Cables
Identify the switch chassis part number. Use this table in order to match up the part number with the type of connector and cable used.| Part Number | Connector Type | Cable Type | Cable/Connector Specifications |
|---|---|---|---|
| WS-C3560-8PC | RJ-45 (10/100) | Two pair Cat 5, 5e, or 6 UTP | Catalyst 3560 Hardware Guide Also refer to Cisco Small Form-Factor Pluggable (SFP) Transceiver Modules Maintenance and Troubleshooting. |
| RJ-45 (10/100/1000) | Four pair Cat 5, 5e, or 6 UTP | ||
| SFP (100Base-FX/LX/BX) | LC Fiber-optic SMF/MMF | ||
| WS-C3560-24TS, WS-C3560-48TS, WS-C3560-24PS, WS-C3560-48PS | RJ-45 (10/100) SFP (1000Base-T) | Two pair Cat 5, 5e, or 6 UTP | |
| SFP (1000Base-LH/SX/ZX) | LC Fiber-optic SMF/MMF | ||
| WS-C3560G-24TS, WS-C3560G-48TS, WS-C3560G-24PS, WS-C3560G-48PS | RJ-45 (10/100/1000) SFP (1000Base-T) | Four pair Cat 5, 5e, or 6 UTP | |
| SFP (1000Base-LH/SX/ZX) | LC Fiber-optic SMF/MMF | ||
| WS-C3560E-24TD, WS-C3560E-24PD, WS-C3560E-48TD, WS-C3560E-48PD, WS-C3560E-48PD-F | RJ-45 (10/100/1000) SFP (1000Base-T) | Four pair Cat 5, 5e, or 6 UTP | |
| SFP (100Base-FX, 1000Base-LH/SX/ZX) | LC Fiber-optic SMF/MMF | ||
| X2 Based (10GBASE-SR/LR/ER) | SC Fiber-optic SMF/MMF |
SFP Module Patch Cable
The Catalyst 3560 switch supports the SFP module patch cable, a 1/2 meter, copper, passive cable with SFP module connectors at each end. The patch cable can connect two Catalyst 3560 switches in a cascaded configuration.| Part Number | Description |
|---|---|
| CAB-SFP-50CM= | Cisco Catalyst 3560 SFP Interconnect Cable (50 dcm) |
Catalyst 3550 Connectors and Cables
Identify the switch chassis part number. Use this table in order to match up the part number with the type of connector and cable used.Note: Some Catalyst 3550 switches support the GigaStack GBIC, which requires a Cisco proprietary cable of either CAB-GS-50CM (0.5-meter cable) or CAB-GS-1M (1-meter cable).
| Part Number | Connector Type | Cable Type | Cable/Connector Specifications |
|---|---|---|---|
| WS-C3550-12T 10 10/100/1000 Ethernet ports and 2 GBIC module slots WS-C3550-12G 2 10/100/1000 Ethernet ports and 10 GBIC module slots WS-C3550-24-SMI, WS-C3550-24-DC-SMI WS-C3550-48-SMI WS-C3550-24-EMI WS-C3550-48-EMI 24 or 48 10/100 Ethernet ports and 2 GBIC module slots WS-C3550-24PWR-SMI WS-C3550-24PWR-EMI 2410/100 inline-power Ethernet ports and 2 GBIC module slots | RJ-45 (for 10/100 or 10/100 inline power or 10/100/1000 ports) | Category 5, 5e, 6 UTP | Catalyst 3550 Hardware Guide |
| GBIC: RJ-45 for 1000Base-T GBIC or SC fiber-optic (for 1000Base-SX/LX/ZX and CWDM GBICs) or Gigastack GBIC | GBIC: Cat 5, 5e, 6 UTP or MMF/SMF fiber-optic or GigaStack cable | ||
| WS-C3550-24-FX-SMI 24 100Base-FX ports and 2 GBIC module slots | MT-RJ fiber-optic (for 100Base-FX ports) | MMF fiber-optic | |
| GBIC: RJ-45 for 1000Base-T GBIC or SC fiber-optic (for 1000Base-SX/LX/ZX and CWDM GBICs) or Gigastack GBIC | GBIC: Cat 5, 5e, 6 UTP or MMF/SMF fiber-optic or GigaStack cable |
Catalyst 2970 Connectors and Cables
| Part Number | Connector Type | Cable Type | Cable/Connector Specifications |
|---|---|---|---|
| WS-C2970G-24T 24 10/100/1000 Ethernet | RJ-45 | Category 5, 5e, or 6 UTP | Catalyst 2970 Hardware Guide |
| WS-C2970G-24TS 24 10/100/1000 and 4 SFP module slots | RJ-45 (for 10/100/1000 ports) | Category 5, 5e, or 6 UTP | |
| SFP: RJ-45 (for 1000Base-T) or LC fiber-optic (for 1000Base-SX/LX/ZX) | SFP: Cat5, 5e, or 6 UTP or SMF/MMF fiber-optic |
Catalyst 2950/2955 Connectors and Cables
Identify the switch chassis part number. Use this table in order to match up the part number with the type of connector and cable used.Note: This guide does not cover the Catalyst 2950 Long-Reach Ethernet (LRE) Switches. Refer to Long-Reach Ethernet Products for more information on cabling and specifications.
Note: Some Catalyst 2950 switches support the GigaStack GBIC, which requires a Cisco proprietary cable of either CAB-GS-50CM (0.5-meter cable) or CAB-GS-1M (1-meter cable).
| Part Number | Connector Type | Cable Type | Cable/Connector Specifications |
|---|---|---|---|
| WS-C2950-12 and WS-C2950-24 12 or 24 10/100 Ethernet ports | RJ-45 | Category 5, 5e, or 6 UTP cable | Catalyst 2950 Hardware Guide Catalyst 2955 Hardware Guide |
| WS-C2955C-12 and WS-C2950C-24 12 or 24 10/100 Ethernet ports and 2 100BASE-FX ports | RJ-45 (for 10/100 ports) | Category 5, 5e, or 6 UTP cable | |
| MT-RJ fiber-optic | MMF fiber-optic | ||
| WS-C2950G-12-EI, WS-C2950G-24-EI, WS-C2950G-24-EI-DC, and WS-C2950G-48-EI 12, 24, or 48 10/100 Ethernet ports and 2 GBIC module slots | RJ-45 (for 10/100 ports) | Category 5, 5e, or 6 UTP | |
| GBIC: RJ-45 for 1000Base-T GBIC or SC fiber-optic (for 1000Base-SX/LX/ZX and CWDM GBICs) or Gigastack GBIC | GBIC: Cat 5, 5e, 6 UTP or MMF/SMF fiber-optic or GigaStack cable | ||
| WS-C2950SX-24 and WS-C2950SX-48-SI 24 or 48 10/100 Ethernet ports and 2 1000BASE-SX ports | RJ-45 (for 10/100 ports) | Category 5, 5e, or 6 UTP | |
| MT-RJ fiber-optic (for 1000BASE-SX ports) | MMF/SMF fiber-optic | ||
| WS-C2955T-12 WS-C2950T-24 WS-C2950T-48-SI 12, 24 or 48 10/100 Ethernet ports and 2 10/100/1000 Ethernet ports | RJ-45 | Category 5, 5e, or 6 UTP cable | |
| WS-C2955S-12 12 10/100 Ethernet ports and 2 100Base-LX ports | RJ-45 (for 10/100 ports) | Category 5, 5e, or 6 UTP | |
| MT-RJ fiber-optic | SMF fiber-optic |
Catalyst 2940 Connectors and Cables
Identify the switch chassis part number. Use this table in order to match up the part number with the type of connector and cable used.| Part Number | Connector Type | Cable Type | Cable/Connector Specifications |
|---|---|---|---|
| WS-C2940-8TT-S 8 10/100 Ethernet ports and 1 10/100/1000 port | RJ-45 | Category 5, 5e, or 6 UTP | Catalyst 2940 Hardware Guide |
| WS-C2940-8TF-S 8 10/100 Ethernet ports, 1 100BASE-FX port, and 1 SFP module slot | RJ-45 | Category 5, 5e, or 6 UTP | |
| MT-RJ fiber-optic | MMF fiber-optic | ||
| SFP: RJ-45 (for 1000Base-T) or LC fiber-optic (for 1000Base-X) | SFP: Cat5, 5e, or 6 UTP or SMF/MMF fiber-optic |
Catalyst 2900/3500 XL Connectors and Cables
Identify the switch chassis or expansion module part number. Use this table in order to match up the part number with the type of connector and cable used.Note: This guide does not cover the WS-C2912-LRE-XL or WS-C2912-LRE-XL switches. Refer to the Long-Range Ethernet Ports section of Product Overview (Catalyst 2900 Series XL switches) for more information on cabling and specifications.
Note: Some Catalyst 3500XL switches support the GigaStack GBIC, which requires a Cisco proprietary cable of either CAB-GS-50CM or CAB-GS-1M.
| Catalyst 2900/3500XL Switches | |||
|---|---|---|---|
| Switch Chassis Part Number | Connector Type | Cable Description | Cable/Connector Specifications |
| WS-C3508G-XL 8 GBIC module slots | SC fiber-optic (for 1000Base-SX/LX/ZX GBICs) or Gigastack GBIC | MMF/SMF fiber-optic | Catalyst 3500XL Hardware Guide Catalyst 2900XL Hardware Guide |
| WS-C3512-XL WS-C3524-XL WS-C3524-PWR-XL WS-C3548-XL 12, 24 or 48 10/100 or 10/100 inline power Ethernet ports and 2 GBIC module slots | RJ-45 (for 10/100 ports) | Category 5 UTP | |
| GBIC: SC fiber-optic (for 1000Base-SX/LX/ZX GBICs) or Gigastack GBIC | GBIC: MMF/SMF fiber-optic or GigaStack cable | ||
| WS-C2912-XL WS-C2924-XL 12 or 24 10/100 Ethernet ports | RJ-45 | Category 5 UTP | |
| WS-C2924C-XL 22 10/100 Ethernet ports and 2 100Base-FX ports | SC fiber-optic (for 100Base-FX ports) | MMF fiber-optic | |
| Catalyst 2900XL Switches with Expansion Slots | |||
| Switch Chassis Part Number | Connector Type | Cable Description | Cable/Connector Specifications |
| WS-C2924M-XL 24 10/100 Ethernet ports and 2 expansion slots | RJ-45 | Category 5 UTP | Catalyst 2900XL Hardware Guide |
| WS-C2912MF-XL 12 100Base-FX ports and 2 expansion slots | SC fiber-optic (for 100Base-FX ports) | MMF fiber-optic | |
| Catalyst 2900XL Expansion Modules | |||
| Switch Chassis Part Number | Connector Type | Cable Description | Cable/Connector Specifications |
| WS-X2914-XL WS-X2914-XL-V 4 10/100 Ethernet ports WS-X2922-XL 2 10/100 Ethernet ports | RJ-45 | Category 5 UTP | Catalyst 2900XL Hardware Guide |
| WS-X2922-XL-V 2 100Base-FX ports WS-X2924-XL-V 4 100Base-FX ports | SC fiber-optic (for 100 Base-FX) | MMF fiber-optic | |
| WS-X2931-XL 1 GBIC module slot | SC fiber-optic (for SX/LX GBICs) | MMF fiber-optic | |
| WS-X2932-XL 1 GBIC module slot | RJ-45 (for 1000Base-T GBIC) | ||
| WS-X2951-XL 1 ATM-OC-3 | RJ-45 (for ATM-OC-3) | Category 5 UTP | |
| WS-X2961-XL 1 ATM-OC-3 | SC fiber-optic (for ATM-OC-3) | MMF fiber-optic | |
| WS-X2971-XL WS-X2972-XL 1 ATM-OC-3 | SC fiber-optic (for ATM-OC-3) | SMF fiber-optic | |
AC Power Supplies, Connectors, and Cords for Catalyst Switches
In this section you see the summary of AC power supplies, power connectors, and cords for Catalyst 6500/6000, 5500/5000 and 4500/4000 series, and Catalyst 3750, 2950, 2940, and 2900/3500XL series switches. Refer to the Power Installation Guidelines in the tables that correspond in the next section for international power requirements, DC power requirements, and other technical specifications.Different Modules require different amount of power. Inline Power modules supplies the power to the IP phones. Cisco has inline power module to power the IP phones. You have to choose the correct power supply in order to support the various line cards, modules and Supervisor Engines on the switch. Cisco offers a tool called the Cisco Power calculator which can be used in order to choose the correct power supply for your switch. Launch the Cisco Power calculator and fill out the Product family, Supervisor Engine, Input voltage, line cards and the number of PoE devices. IP phones are the example for PoE devices and most of the IP phones belong to IEEE 802.3af Device - Class 2 (7W). Then the power calculator shows the results of different choices of Power Supplies. From that you can choose the required power supply. The power supplies successfully operate at their greatest capacity if the input voltage is between 200 and 240 volts AC.
Catalyst 6500/6000 Series Switch Power Supplies and Cables
This table is a quick reference for the available power supplies and cables in North American standard. Refer to Catalyst 6500 Power supply specifications for the detailed specifications you can. These few points are important to know:- The 950W (PWR-950-AC), 950W DC (PWR-950-DC) and 1400W AC
(PWR-1400-AC) are used only with the Catalyst 6503 and Catalyst 6503-E
Switches.
- The Power supplies 1000W and 1300W can be used only with
Catalyst 6506, 6509, and 6509-NEB-A switches. The Supervisor Engines
SUP32 and SUP720 are incompatible when 1000W and 1300W power supplies
are used.
- With a fully populated Catalyst 6513 switch, two 2500 W power supplies are not fully redundant.
- If you operate the 2500 W power supply at the low range
input (100 to 120 VAC), it is not redundant in a fully populated
Catalyst 6509, Catalyst 6509-E, Catalyst 6509-NEB, or Catalyst
6509-NEB-A switch.
- The Power supplies 2500W, 2700W, and 3000W can operate at
two different voltage levels (110Vac and 220Vac). The Power supply
output depends on the supplied input AC power. This table shows the
power ouput:
Power Supply Power Output at 110Vac, 16A Power Output at 220Vac, 16A 2500W 1300W 2500W 2700W 1350W 2700W 3000W 1400W 3000W
- The AC power cords are hardwired to the 4000W Power supplies (WS-CAC-4000W-US=). It supports only NEMA L6-30.
- The 6000W power supply cannot be installed in the Catalyst 6503, Catalyst 6503-E, and Catalyst 6504-E switch chassis.
- When 6000W power supply is used with the chassis Catalyst
6506, 6509, 6509-NEB, and 6509-NEB-A, it operates at 4000W maximum
output. It operates at 6000W maximum output when it is used with
Catalyst 6506-E, 6509-E, and 6513.
- 6000W power supply has two AC Power inputs. These are the
various combinations of AC inputs and the corresponding net power
output:
6000W Power Supply Power Options AC Input 1 AC Input 2 Net Power Supply Output 110Vac, 16A Not Connected No Power Output Not Connected 110Vac, 16A No Power Output 110Vac, 16A 110Vac, 16A 2900W 220Vac, 16A Not Connected 2900W Not Connected 220Vac, 16A 2900W 110Vac, 16A 220Vac, 16A 2900W 220Vac, 16A 110Vac, 16A 2900W 220Vac, 16A 220Vac, 16A 6000W
Note: If you have 110Vac power inputs, you have to connect both the AC inputs of the 6000W power supply in order to power on the switch.
- The Catalyst 6500 series switches allow you to mix AC-input and DC-input power supplies in the same chassis.
Note: This document does not discuss the total power available with the currently shipped power supplies for Catalyst 6500/6000 series switches or the amount drawn from each Catalyst 6500/6000 series line card. Refer to the document Power Management for Catalyst 6000 Series Switches for this information.
| Catalyst 6500/6000 | |||
|---|---|---|---|
| Power Supply Part Number | Power Cord Part Number | Connector Type | Power Installation Guidelines |
| PWR-950-AC 950W power supply WS-CAC-1000W 1000W power supply | CAB-7KAC-15 AC Power Cord North America, 15A |  |
Catalyst 6500/6000 |
| WS-CAC-1300W 1300W Power Supply | CAB-7513AC AC Power Cord North America (110Vac, 20A) |  |
|
| PWR-1400-AC 1400W Power Supply | CAB-7513AC= AC Power Cord North America (110Vac, 20A) | |
|
| CAB-AC-2500W-US1= 250Vac 16A, straight-blade NEMA 6-20 plug |  |
||
| CAB-AC-C6K-TWLK= 250Vac 16A, twist-lock NEMA L6-20 plug |  |
||
| WS-CAC-2500W 2500W AC Power Supply | CAB-7513AC AC Power Cord North America (110Vac, 20A) | |
|
| CAB-AC-2500W-US1 250Vac 16A, straight-blade NEMA 6-20 plug | |
||
| CAB-AC-C6K-TWLK 250Vac 16A, twist-lock NEMA L6-20 plug | |
||
| PWR-2700-AC/4 2700W AC Power Supply | CAB-7513AC AC Power Cord North America (110Vac, 20A) | |
|
| CAB-AC-2500W-US1 250Vac 16A, straight-blade NEMA 6-20 plug | |
||
| CAB-AC-C6K-TWLK 250Vac 16A, twist-lock NEMA L6-20 plug | |
||
| WS-CAC-3000W 3000 W AC-input power supply | CAB-7513AC= 110Vac 20A, NEMA 5-20 plug | |
|
| CAB-AC-2500W-US1= 250Vac 16A, straight-blade NEMA 6-20 plug | |
||
| CAB-AC-C6K-TWLK= 250Vac 16A, twist-lock NEMA L6-20 plug | |
||
| WS-CAC-4000W-US 4000W AC Power Supply | Cable-attached to the power supply 250Vac 30A |  |
|
| WS-CAC-6000W 6000W AC Power supply | CAB-7513AC= 110Vac 20A, NEMA 5-20 plug | |
|
| CAB-AC-2500W-US1= 250Vac 16A, straight-blade NEMA 6-20 plug | |
||
| CAB-AC-C6K-TWLK= 250Vac 16A, twist-lock NEMA L6-20 plug | |
||
Catalyst 5500/5000 Series Switch Power Supplies and Cables
This table has a quick reference for the available power supplies and the Power cord part number.| Catalyst 5002, 5505, 5500, and 5509 | |||
|---|---|---|---|
| Power Supply Part Number | Power Cord Part Number | Connector Type | Power Installation Guidelines |
| WS-C5008B (Catalyst 5002 and 5505) | CAB-7KAC |  |
Catalyst 5500/5000 |
| WS-C5508 (Catalyst 5500) | CAB-7513AC | |
|
| WS-C5518 (Catalyst 5509) | CAB-7KAC | |
|
| CAB-7513AC | |
||
Catalyst 4500/4000 Series Switch Power Supplies and Cables
Refer to the Power Connection Guidelines for AC-Powered Systems section in Catalyst 4500 Series Hardware Installation Guide - Preparing for Installation for the list of Power supplies, cables and the corresponding part numbers.Refer to Catalyst 4000 Series Installation Guide - Site Planning for the list of Catalyst 4000 Power supplies, cables and the corresponding part numbers.
Catalyst 2900/3500XL, 2940, 2950, 3550 and 3750 Series Switch Power Supplies and Cables
Catalyst 2900/3500, 2940, 2950, 3550 and 3750 switches require standard 110V, 15 Amp AC input Power. Refer to these Hardware Installation Guides for the detailed power specifications:- Catalyst 3750 Switch Hardware Installation Guide
- Catalyst 3550 Multilayer Switch Hardware Installation Guide
- Catalyst 2950 Switch Hardware Installation Guide
| Catalyst 2900/3500XL, 2940, 2950, 3550 and 3750 | |||
|---|---|---|---|
| Power Supply Part Number | Power Cord Part Number | Connector Type | Power Installation Guidelines |
| Internal non-replaceable AC power supply | CAB-AC= | |
N/A |
RJ-21 to RJ-45 Pin-Out Pattern
All Catalyst family 10/100TX telco switching modules incorporate industry-standard RJ-21 connectors and require compatible Category 5 cabling systems to achieve 100 Mbps data rates.Category 5 telco cables can be ordered directly from Cisco. Refer to Cisco.com for ordering information. This is the information on Cisco part numbers.
| Model Number | Description |
|---|---|
| CAB-5-M180M120-10= CAB-5-M180M120-5= | 10 foot, male 180 degree to male 120 degree, Category 5 telco cable 5 foot, male 180 degree to male 120 degree, Category 5 telco cable |
| CAB-5-M120M120-10= CAB-5-M120M120-5= | 10 foot, male 120 degree to male 120 degree, Category 5 telco cable 5 foot, male 120 degree to male 120 degree, Category 5 telco cable |
| CAB-5-M120HYD-10= CAB-5-M120HYD-5= | 10 foot, male 120 degree to (12) RJ-45s, Category 5 telco cable 5 foot, male 120 degree to (12) RJ-45s, Category 5 telco cable |
This table shows the pin-out pattern used on Catalyst 10/100TX (and 10BaseT) RJ-21 switching modules.
| RJ-21 Pin Number | Wire Color | RJ-45 Pin Number | Port Number |
|---|---|---|---|
| 26 | White/Blue | 1 | 1 |
| 1 | Blue/White | 2 | |
| 27 | White/Orange | 3 | |
| 2 | Orange/White | 6 | |
| 28 | White/Green | 1 | 2 |
| 3 | Green/White | 2 | |
| 29 | White/Brown | 3 | |
| 4 | Brown/White | 6 | |
| 30 | White/Slate | 1 | 3 |
| 5 | Slate/White | 2 | |
| 31 | Red/Blue | 3 | |
| 6 | Blue/Red | 6 | |
| 32 | Red/Orange | 1 | 4 |
| 7 | Orange/Red | 2 | |
| 33 | Red/Green | 3 | |
| 8 | Green/Red | 6 | |
| 34 | Red/Brown | 1 | 5 |
| 9 | Brown/Red | 2 | |
| 35 | Red/Slate | 3 | |
| 10 | Slate/Red | 6 | |
| 36 | Black/Blue | 1 | 6 |
| 11 | Blue/Black | 2 | |
| 37 | Black/Orange | 3 | |
| 12 | Orange/Black | 6 | |
| 38 | Black/Green | 1 | 7 |
| 13 | Green/Black | 2 | |
| 39 | Black/Brown | 3 | |
| 14 | Brown/Black | 6 | |
| 40 | Black/Slate | 1 | 8 |
| 15 | Slate/Black | 2 | |
| 41 | Yellow/Blue | 3 | |
| 16 | Blue/Yellow | 6 | |
| 42 | Yellow/Orange | 1 | 9 |
| 17 | Orange/Yellow | 2 | |
| 43 | Yellow/Green | 3 | |
| 18 | Green/Yellow | 6 | |
| 44 | Yellow/Brown | 1 | 10 |
| 19 | Brown/Yellow | 2 | |
| 45 | Yellow/Slate | 3 | |
| 20 | Slate/Yellow | 6 | |
| 46 | Violet/Blue | 1 | 11 |
| 21 | Blue/Violet | 2 | |
| 47 | Violet/Orange | 3 | |
| 22 | Orange/Violet | 6 | |
| 48 | Violet/Green | 1 | 12 |
| 23 | Green/Violet | 2 | |
| 49 | Violet/Brown | 3 | |
| 24 | Brown/Violet | 6 | |
| 50 | Violet/Slate | NA | NA |
| 25 | Slate/Violet | NA | NA |
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