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B-3
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
OL-28105-02
Appendix B Cable Specifications
Console Port Signals and Pinouts
Figure B-3 shows the RJ-48C connector wiring for the T1/E1 cable.
Figure B-3 RJ-48-to-RJ-48 T1/E1 Cable Wiring
Note We recommend using a shielded cable for RJ-48C connectors.
Table B-2 shows the pinout configuration for the RJ-48C connectors on the Cisco ASR 901 10G router
for both the shielded and unsaddled cables for either T1 or E1. Table B-2 shows the pinout configuration
for the RJ-45 connectors on the TDM interface module on the Cisco ASR 901 10G router.
Console Port Signals and Pinouts
The Cisco ASR 901 10G router ships with a console cable kit, which contains the cable and adapters to
connect a console terminal (an ASCII terminal or PC running terminal emulation software). The console
cable kit includes the following items:
• RJ-45-to-RJ-45 rollover cable
• RJ-45-to-DB-9 female DTE adapter (labeled TERMINAL)
• RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL)
To connect a modem, you need to order an auxiliary cable.
For console connections, see the “Console Port Signals and Pinouts” section on page B-4.
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Table B-2 T1/E1 Port Pinout for the Cisco ASR 901 10G router
Pin Signal Name Direction Description
1 RX Tip Input Receive Tip
2 RX Ring Input Receive Ring
3 — — Not used
4 TX Tip Output Transmit Tip
5 TX Ring Output Transmit Ring
6 — — Not used
7 — — Not used
8 — — Not used