Installation guide
PIM6 port b Synchronous X.21 DCE
Part Number X890-607211
Interface 15-way D-type plug (female) DCE
Controls In Control
Controls Out Indication
Clock Signal Element Timing 'S'
Clock Source Internal
Clocking Speeds 2400, 4800, 7200, 9600, 19200, 48000,
64000, 128000 and 256000 baud
Pin Signal Description
1 FG Frame Ground
2 T(A) Transmit Data+
3 C(A) Control+
4 R(A) Receive Data+
5 I(A) Indication+
6 S(A) Clock+
8 G Signal Ground
9 T(B) Transmit Data –
10 C(B) Control –
11 R(B) Receive Data –
12 I(B) Indication –
13 S(B) Clock –
X870-300451 Issue 2 B-7 Rev.0