Patton electronic PATTON 2603 - Manual (Page 128)

Serial port 128
Models 2603, 2621, and 2635 Getting Started Guide D • IPLink Physical Connectors
E1/T1 (RJ-48C Connector)
The T1/E1 transmit signals are not polarity sensitive, even though they have the traditional designation of Tip
and Ring.
Figure 86. T1/E1 RJ-48C connector
Table 11. T1/E1 Port
Pin No. Signal
1 Receive (Ring)
2 Receive (Tip)
3 Shield (Receive)
4 Transmit (Ring)
5 Transmit (Tip)
6 Shield (Transmit)
7
8
1 2 3 4 5 6 7 8
RX RX TX TX