Rs-449 Cables - Cabletron Systems FRX6000 Maintenance Manual

To I/O Box
19
37
Physical DCE
(Female Connector)
Pin
1
4
5
6
7
8
9
11
12
13
17
19
20
22
23
24
25
26
27
29
30
31
35
37
Figure A-7 RS-449 Cables
These cables provide RS-449 interfaces for an RS-
422 Line Interface Card.
A-6
Cabletron Part Numbers:
DCE FRX-449DCE-CAB
DTE FRX-449DTE-CAB
1 1
20 20
Physical DTE
(Male Connector)
Signal Pin
FGnd 1
SDa 4
SCa 5
RDa 6
RTSa 7
RCa 8
CTSa 10
DMa 12
TRa 13
RRa 14
TTa 17
SGnd 18
SGnd 19
SDb 20
SCb 22
RDb 23
RTSb 24
RCb 25
CTSb 26
DMb 30
TRb 31
RRb 35
TTb 37
SGnd
FRX6000 Maintenance Guide, Rev 03
19
37
Signal
FGnd
SDa
SCa
RDa
RTSa
RCa
LL
TRa
RRa
RL
TTa
TM
SGnd
SGnd
SDb
SCb
RDb
RTSb
RCb
TRb
RRb
TTb
SGnd