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Table B-1 lists the signals for RJ-45 10/100BaseTX ports. The receive and transmit signals are polarized. One pin of each signal pair carries the positive (+) signal, and the other pin carries the negative (-) signal.
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Note Table B-1 lists the signals for the RJ-45 10/100BaseTX connector, not the pinouts of the cable connecting to the port. |
| Pin | Signal | Description |
|---|---|---|
1 | RxD (+) | Receive Data (+) |
2 | RxD (-) | Receive Data (-) |
3 | TxD (+) | Transmit Data (+) |
4 | NC | No Connection |
5 | NC | No Connection |
6 | TxD (-) | Transmit Data (-) |
7 | NC | No Connection |
8 | NC | No Connection |
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Note Do not use Category 3 RJ-21 telco connectors and cables on the 48-port 10/100TX switching module. Using Category 3 RJ-21 telco connectors and cables causes carrier sense errors in your network. You must use Category 5 RJ-21 telco connectors and cables because the module's connectors are keyed for Category 5 connectors and cables. |
Table B-2 lists the output signals for the RJ-21 10/100BaseTX telco ports. The receive and transmit signals are polarized. One pin of each signal pair carries the positive (+) signal, and the other pin carries the negative (-) signal.
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Note Table B-2 lists the signals or the RJ-21 10/100BaseTX telco ports, not the pinouts of the cable connecting to the port. |
| Ethernet Port No. | Connector Pin No. | Signal | Connector Pin No. | Signal |
|---|---|---|---|---|
1 | 1 | RxD (-) | 26 | RxD (+) |
2 | 3 | RxD (-) | 28 | RxD (+) |
3 | 5 | RxD (-) | 30 | RxD (+) |
4 | 7 | RxD (-) | 32 | RxD (+) |
5 | 9 | RxD (-) | 34 | RxD (+) |
6 | 11 | RxD (-) | 36 | RxD (+) |
7 | 13 | RxD (-) | 38 | RxD (+) |
8 | 15 | RxD (-) | 40 | RxD (+) |
9 | 17 | RxD (-) | 42 | RxD (+) |
10 | 19 | RxD (-) | 44 | RxD (+) |
11 | 21 | RxD (-) | 46 | RxD (+) |
12 | 23 | RxD (-) | 48 | RxD (+) |
| 25 | Not connected | 50 | Not connected |
The Catalyst 6000 family switch comes with an accessory kit that contains the cable and adapters you need to connect a console (an ASCII terminal or PC running terminal emulation software) or modem to the console port. The accessory kit includes these items:
This is the same cable and adapters that ship with the Cisco 2500 series routers and other Cisco products.
The supervisor engine front-panel console port mode switch allows you to connect a terminal or modem to the console port as follows:
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Note Use a ballpoint pen tip or other small, pointed object to access the console port mode switch. The switch is shipped in the in position. |
You can identify a rollover cable by comparing the two ends of the cable. Holding the cables side-by-side, with the tab at the back, the wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug. (See Figure B-1.) If your cable was purchased from Cisco Systems, pin 1 will be white on one connector, and pin 8 will be white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).
This section provides the signaling and pinouts for the console port in mode 1 (port mode switch in the in position).
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-9 female DTE adapter (labeled "Terminal") to connect the console port to a PC running terminal emulation software. Table B-3 lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter.
| Console Port | RJ-45-to-RJ-45 Rollover Cable | RJ-45-to-DB-9 Terminal Adapter | Console Device | |
|---|---|---|---|---|
| Signal | RJ-45 Pin | RJ-45 Pin | DB-9 Pin | Signal |
RTS | 11 | 8 | 8 | CTS |
DTR | 2 | 7 | 6 | DSR |
TxD | 3 | 6 | 2 | RxD |
GND | 4 | 5 | 5 | GND |
GND | 5 | 4 | 5 | GND |
RxD | 6 | 3 | 3 | TxD |
DSR | 7 | 3 | 4 | DTR |
CTS | 81 | 1 | 7 | RTS |
| 1Pin 1 is connected internally to Pin 8. |
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 female DTE adapter (labeled "Terminal") to connect the console port to a terminal. Table B-4 lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 female DTE adapter.
| Console Port | RJ-45-to-RJ-45 Rollover Cable | RJ-45-to-DB-25 Terminal Adapter | Console Device | |
|---|---|---|---|---|
| Signal | RJ-45 Pin | RJ-45 Pin | DB-25 Pin | Signal |
RTS | 11 | 8 | 5 | CTS |
DTR | 2 | 7 | 6 | DSR |
TxD | 3 | 6 | 3 | RxD |
GND | 4 | 5 | 7 | GND |
GND | 5 | 4 | 7 | GND |
RxD | 6 | 3 | 2 | TxD |
DSR | 7 | 3 | 20 | DTR |
CTS | 81 | 1 | 4 | RTS |
| 1Pin 1 is connected internally to Pin 8. |
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 male DCE adapter (labeled "Modem") to connect the console port to a modem. Table B-5 lists the pinouts for the asynchronous serial auxiliary port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 male DCE adapter.
| Console Port | RJ-45-to-RJ-45 Rollover Cable | RJ-45-to-DB-25 Modem Adapter | Modem | |
|---|---|---|---|---|
| Signal | RJ-45 Pin | RJ-45 Pin | DB-25 Pin | Signal |
RTS | 11 | 8 | 4 | RTS |
DTR | 2 | 7 | 20 | DTR |
TxD | 3 | 6 | 3 | TxD |
GND | 4 | 5 | 7 | GND |
GND | 5 | 4 | 7 | GND |
RxD | 6 | 3 | 2 | RxD |
DSR | 7 | 3 | 8 | DCD |
CTS | 81 | 1 | 5 | CTS |
| 1Pin 1 is connected internally to Pin 8. |
This section provides the signaling and pinouts for the console port in mode 2 (port mode switch in the out position). See Table B-6 for the pinouts.
| Console Port | Console Device |
|---|---|
| Pin (signal) | Input/Output |
1 (RTS)1 | Output |
2 (DTR) | Output |
3 (RxD) | Input |
4 (GND) | GND |
5 (GND) | GND |
6 (TxD) | Output |
7 (DSR) | Input |
8 (CTS)1 | Input |
| 1Pin 1 is connected internally to Pin 8. |
Posted: Tue Jun 27 14:26:03 PDT 2000
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