Mike's PBX Cookbook

NTAK19EC - 2 port SDI cable

This cable is used to access the TTY port of a CPPM or CPDC card in a Media Gateway chassis.

RJ-21 Female
PinPin
 6 (DSR) 26 1  8 (DCD)
27 2 20 (DTR)
 4 (RTS) 28 3  5 (CTS)
 3 (RXD) 29 4  2 (TXD)
30 5
 6 (DSR) 31 6
32 7 20 (DTR)
 4 (RTS) 33 8  5 (CTS)
34 9
35 10
 3 (RXD) 36 11  2 (TXD)
37 12
38 13  8 (DCD)
39 14
40 15
41 16
42 17
43 18
44 19
45 20
46 21
47 22
48 23
49 24
 7 (GND) 50 25  7 (GND)
- Viewed from Rear -
Port 0
25-D (M) RJ-21 
24
329
428
53
626
725
81
202
Port 1
25-D (M) RJ-21 
211
336
433
58
631
750
813
207


RJ-21 (Female) to 2x 25 pin D (Male): Port 0, and 1.

ntbk48aa TTY cable