Installation guide

Cabling Specifications A-91
Channelized E1 Pinouts
1. Any pins not described in this table are not connected.
2. Connected as a network interface.
3. Connected as a network terminal.
4. TX = transmit; RX = receive.
Table A-39 E1 Interface Cable Pinouts
CE1 End Network End
DB-15
1
BNC DB-15 Twinax RJ-45
2
RJ-45/NT
3
Pin Signal
4
Signal Pin Signal Pin Signal Pin Signal Pin Signal
9 TX Tip TX Tip 1 TX Tip TX-1 TX Tip 4 RX Tip 1 TX Tip
2 TX Ring TX Shield 9 TX Ring TX-2 TX Ring 5 RX Ring 2 TX Ring
10 TX Shield – 2 TX Shield Shiel
d
TX Shield 6 RX Shield 3 TX Shield
8 RX Tip RX Tip 3 RX Tip RX-1 RX Tip 1 TX Tip 4 RX Tip
15 RX Ring RX Shield 11 RX Ring RX-2 RX Ring 2 TX Ring 5 RX Ring
7 RX Shield – 4 RX Shield Shiel
d
RX Shield 3 TX Shield 6 RX Shield