User`s guide

D-22 Preliminary November 23, 1998 MultiVoice Gateway for the MAX— User’s Guide
Cables and Connectors
Serial WAN cabling specifications
RS-449 cable to WAN
You can connect an RS-449 cable to the RS-449 port of a DCE device. The RS-449 cable has
the pinouts described in Table D-21.
Note: *Pin positions separated by commas are jumped to each other.
Table D-21.RS-449 cable pinouts
Pair # Signal
(MultiVoice
Gateway)
MultiVoice
Gateway male
DB-44
(MultiVoice
Gateway)
Host female DB-37
1 FGND
RI
1
8
1
15
2SD+
SD-
39
40
4
22
3RD+
RD-
30
29
6
24
4ST+
ST-
41
42
5
23
5RT+
RT-
32
31
8
26
9 TT+
TT-
38
37
17
35
8DTR
DSR
6
11
12
11
6DCD
SGND
9
25
13
19, 20, 37*
7CTS
RTS
7
36
9
7