Technical Data
Installation Manual Page 91
IP Office 2.1 40DHB0002USCL Issue 10c (11th May 2004)
V.24/V.28 WAN Cable
SAP Code:- 700213416
A. 37 Way D-Type Plug with UNC 4-40 locking screws.
B. 25 Way D-Type Plug with UNC 4-40 locking screws.
C. Label
D. 12 core screened cable - each core is 7/0.203mm (24 AWG) tinned copper stranded wire,
nominal capacitance of 95pF/m, resistance of 92 /km, screened with tinned copper braid,
maximum working voltage of 440V rms and a Maximum current per core of 1A rms
E. 3 meters/9.84ft.
Pin Connections
End A Name End B
6 Ground 7
8 DTR (Data Terminal Ready) 20
9 Receive Data 3
10 Transmit Clock 15
11 DCD (Data Carrier Detect) 8
12 CTS (Clear To Send) 5
26 Transmit Data 2
27 RTS (Request To Send) 4
28 Receive Clock 17
29 RI (Ring Indicator) 22
30 DSR (Data Set Ready) 6
• Connect pin 25 to pin 6 at End A only.
• Pin 19 at end A is connected to the Screened Cable Drain Wire.
• The maximum core to core capacitance must not exceed 800pF.
• This cable is used to connect a WAN port to a Digital leased Line.