Avaya ArgentBranch, Hardware Reference Manual

Page: 30 / 44

ArgentBranch Hardware Reference Manual
30 Revision 2
X.21 WAN C
ABLE
Part No: CABX21SN03M0PP00
Sales Feature: ARG-WANX21C
Supply: Optional extra.
A 37 Way D-Type Plug with UNC 4-40 locking screws.
B 15 Way D-Type Plug with M3 locking screws.
C Labelled with CABX21SN03M0PP00.
D 6 twisted pair screened cable – each core is 7/0.203mm (24 a.w.g.) tinned copper
stranded wire, nominal capacitance of 98pF/m, impedance of 77
Ω
at 1MHz,
screened with aluminised tape and a tinned copper wire drain.
E 3 metres. Important: This cable must not exceed 3m in length.
Pin Connections
End A Name Cable Notes End B
1 Receive (Rx-B) 11
20 Receive (Rx-A) 4
4 Transmit (Tx-A) 2
23 Transmit (Tx-B) 9
24 Control (Ctl-A) 3
5 Control (Ctl-B) 10
2 Indicate (Ind-A) 5
21 Indicate (Ind-B) 12
3 SE-Timing (S-A) 6
22 SE-Timing (S-B) 13
6 Ground ----- 8
Connect pin 7 to pin 6 at End A only.
Pin 19 at end A is connected to the Screened Cable Drain Wire.
E
A
C
D
B
Twisted Pair
Twisted Pair
Twisted Pair
Twisted Pair
Twisted Pair