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Technical Data
Small Office Edition Installation Manual
Page 47
IP Office 3.0
40DHB0002UKED Issue 3 (4th February 2005)
DTE Cable
A. 25 Way (or 9 Way on IP412) D-Type Plug with UNC 4-40 locking screws.
B. 9 Way D-Type Socket with UNC 4-40 locking screws.
C. 2 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
D. 2 meters/6.57ft.
Pin Connections
End A
(25 Way)
End A
(9 Way)
Name
End B
2 3 Receive
data
3
3 2 Transmit
Data
2
4
7
RTS (Request To Send)
7
5
8
CTS (Clear To Send)
8
6
6
DSR (Data Set Ready)
6
7 5 Ground
5
8
1
DCD (Data Carrier Detect)
1
20
4
DTR (Data Terminal Ready) 4
22
9
RI (Ring Indicator)
9