Connector Pinouts - Cisco ASR 907 Hardware Installation Manual

Serial Cable Pinouts
The X.21, V.35, RS-485, EIA-449, EIA-530, and IRIG-B standards are not currently supported by software.
Note
RJ-48 Connector Pinouts
The figure shows the RJ-48C connector wiring for the T1/E1 cable for the Cisco 2-port T1/E1-RAN interface
card. The table shows the pinout configuration for the RJ-48C connectors on the Cisco 2-port T1/E1-RAN
interface card for both the shielded and unshielded cables for either T1 or E1.
Figure 53: RJ-48C Connector Wiring
Cisco recommends using a shielded cable for your RJ-48C connectors.
Note
Shielded
Pin
1
2
3
4
Cisco ASR 907 Router Hardware Installation Guide
132
Unshielded
Description Pin
Receive Ring 1
Receive Tip 2
Receive Shield 3
Transmit Ring 4
Troubleshooting
Description
Receive Ring
Receive Tip
—
Transmit Ring