Black Box COMPACT T1 MT850A - Manual (Page 452)

12-8 Compact T1 - Release 6.1
Quad T1 Card
Connector Pinouts
Connector Pinouts
25-pin Telco Connector
The pinouts are as follows:
Slot Port Pair Pin
Location Function Color
Code
1 and 4 1 1 26
1 Tip Receive from DS1 network
Ring Receive from DS1 network White
Blue
2 27
2 Tip Transmit to DS1 network
Ring Transmit to DS1 network White
Orange
1 and 4 2 3 28
3 Tip Receive from DS1 network
Ring Receive from DS1 network White
Green
4 29
4 Tip Transmit to DS1 network
Ring Transmit to DS1 network White
Brown
1 and 4 3 5 30
5 Tip Receive from DS1 network
Ring Receive from DS1 network White
Slate
6 31
6 Tip Transmit to DS1 network
Ring Transmit to DS1 network Red
Blue
1 and 4 4 7 32
7 Tip Receive from DS1 network
Ring Receive from DS1 network Red
Orange
8 33
8 Tip Transmit to DS1 network
Ring Transmit to DS1 network Red
Green
2 and 5 1 9 34
9 Tip Receive from DS1 network
Ring Receive from DS1 network Red
Brown
10 35
10 Tip Transmit to DS1 network
Ring Transmit to DS1 network Red
Slate
50
25
26
1