Cables and Connectors
Serial host interface specifications
MAX 4000 Series Hardware Installation Guide Preliminary November 4, 1998 C-33
RS-366 cabling
Ascend supplies a variety of RS-366 cables which you can use to connect the MAX to Video
Telecom and to a wide variety of serial hosts.
RS-449/RS-366/DB-37 cable to Video Telecom
The RS-449/RS-366/DB-37 cable connects the MAX to the RS-449 port of a Video Telecom
codec with support for RS-366 dialing. Figure C-18 and Table C-25 show the RS-449/RS-366/
DB-37 cable pinouts.
Figure C-18. RS-449/RS-366/DB-37 cable to Video Telecom codec
Table C-25. Pinouts for RS-449/RS-366/DB-37 cable to VTC
Pair # Signal
(MAX)
MAX male DB-44
(MAX)
Host RS-449/RS-366
male DB-37
1 FGND
FGND
1
1
1
19
2SD+
SD-
29
30
4
22
3RD+
RD-
40
39
6
24
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