If you are connecting the card to a smart jack (incoming line from Telco), then you need a straight T1/E1 Cable, which is identical to a straight Ethernet cable.
T1/E1 cross-over cable If you are doing a back-to-back configuration, or connecting the card to another PBX or channel bank, then you need a cross-T1/E1 cable with the following pin-outs:
1 <-> 4
2 <-> 5
4 <-> 1
5 <-> 2
Pin-outs for T1/E1/J1 the loopback cable:
1<->4
2<->5
A108 "Y" Cable Pin-outs
Y Cable for A108 to 2 separate T1/E1 (straight). This is to connect the A108 against lines from the Telco.
A108 to A108 (cross). This is to connect two A108s in a back-to-back configuration. 1 <-> 4
2 <-> 5
3 <-> 7
4 <-> 1
5 <-> 2
6 <-> 8
7 <-> 3
8 <-> 6
T1-E1 Tap pin-outs (Datascope)
Analog lines color code (for Sangoma A400)
Port Number
Wire color (Ring/Tip)
1
Blue-White/White-Blue
2
Orange-White/White-Orange
3
Green-White/White-Green
4
Brown-White/White-Brown
5
Slate-White/White-Slate
6
Blue-Red/Red-Blue
7
Orange-Red/Red-Orange
8
Red-Green/Green-Red
9
Brown-Red/Red-Brown
10
Slate-Red/Red-Slate
11
Blue-Black/Black-Blue
12
Orange-Black/Black-Orange
S514-56 and A056K cable pin-outs Cross-over cable:
If you are doing a back-to-back configuration, then you need a cross-over cable with the following pin-outs:
1 <-> 7
2 <-> 8
3 <-> 6
4 <-> 5
5 <-> 4
6 <-> 3
7 <-> 1
8 <-> 2
