Technical Data Cables - Page 63
X.21 WAN Cable SAP Code:- 700213408
AB
C D
E
A 37 Way D-Type Plug with UNC 4-40 locking screws.
B 15 Way D-Type Plug with M3 locking screws.
C Label
D 6 twisted pair screened cable - each core is 7/0.203mm (24 AWG) tinned copper stranded wire,
nominal capacitance of 98pF/m, impedance of 77 Ω at 1MHz, screened with aluminized tape and
a tinned copper wire drain.
E 3 meters.
Pin Connections
End A Name Cable Notes End B
1 Receive (Rx-B) 11
20 Receive (Rx-A) Twisted Pair 4
4 Transmit (Tx-A) 2
23 Transmit (Tx-B) Twisted Pair 9
24 Control (Ctl-A) 3
5 Control (Ctl-B) Twisted Pair 10
2 Indicate (Ind-A) 5
21 Indicate (Ind-B) Twisted Pair 12
3 SE-Timing (S-A) 6
22 SE-Timing (S-B) Twisted Pair 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.
This cable is used to connect a WAN port to a Digital leased Line.
Installation Manual Technical Data - Page 63
IP Office 40DHB0002USCL – Issue 7 (09/25/2002)