Lucent Technologies Network Access Module - Manual (Page 58)

T1/PRI Cable
B-2 INA Module Installation and Configuration Guide
T1/PRI Cable
Table B-2 shows the pinouts for a category 5 unshielded, ungrounded, twisted pair
cable, as specified by the EIA/TIA-568-B wiring standard, with an RJ-48C connection
Ethernet Interface
Table B-3 provides specifications for the 10Mbps baseband IEEE 802.3-compatible
Ethernet interface.
Table B-2 T1/E1 RJ-48C Connector Pinout
T1 Port
RJ-48C Signal Definition
Direction to or
from the INA
Module
1 RXD (Ring) Receive Data Input
2 RXD (Tip)
4 TXD (Ring) Transmit Data Output
5 TXD (Tip)
Table B-3 Ethernet Interface
Ethernet
Type Connector
Type
Cable Type
Transmission
Distance
RJ-48C RJ-48C for 10BaseT Category 5
unshielded
twisted pair Hub distance—328ft (100m) maximum
Repeaters—four maximum