Filter
Top Products
16 Compact T1 - Release 6.1
Quick Start
Interface Connectors
25-Pair Telco Connectors
Tip and Ring Analog Interfaces equipped with standard 25-pair Telco Connectors
(female) for connection to key systems, fax machines, modems, and PBXs. These
interfaces are also used for ISDN BRI ports and are jumper selectable on the Quad T1
card.
Circuit connections are made at the 25-pair
telco connectors. A standard 25-pair
telephone cable with RJ-21X wiring and a
male D-type connector at the Unit end is
required.
The pinouts are as follows:
Pair Pin Location Function Color Code
126
1
Tip Channel 1
Ring Channel 1
White/Blue
Blue/White
227
2
Tip Channel 2
Ring Channel 2
White/Orange
Orange/White
328
3
Tip Channel 3
Ring Channel 3
White/Green
Green/White
429
4
Tip Channel 4
Ring Channel 4
White/Brown
Brown/White
530
5
Tip Channel 5
Ring Channel 5
White/Slate
Slate/White
631
6
Tip Channel 6
Ring Channel 6
Red/Blue
Blue/Red
732
7
Tip Channel 7
Ring Channel 7
Red/Orange
Orange/Red
833
8
Tip Channel 8
Ring Channel 8
Red/Green
Green/Red
934
9
Tip Channel 9
Ring Channel 9
Red/Brown
Brown/Red
10 35
10
Tip Channel 10
Ring Channel 10
Red/Slate
Slate/Red
50
25
26
1