Users Manual Part 1

Figure 78: Site Link Connector E1 Pinout
Table 23: Site Link Connector E1 on Junction Panel
Pin No. Function
1 Receive 1 positive
2 Receive 1 negative
3 Receive 2 positive
4 Transmit 1 positive
5 Transmit 1 negative
6 Receive 2 negative
7 Transmit 2 positive
8 Transmit 2 negative
Figure 79: Site Link Connector X.21 Pinout
Table 24: Site Link Connector X.21 on Junction Panel
Pin No. Function
1 Not Used
2 Tx Data B
3 Control B
4 Rx Data B
5 Indication B
6 Signal Timing B
7 Byte Timing B
8 Ground
9 Tx Data A
10 Control A
11 Rx Data A
12 Indication A
6802800U74-AP
Chapter 4: Hardware Installation
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