A-9 X.21 Cables For Ports 4–7 - Cabletron Systems Netlink FRX4000 Maintenance Manual
Enterasys netlink frx4000 interface module: user guide
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Also See for Netlink FRX4000:
- User manual (426 pages) ,
- Installation and setup manual (8 pages) ,
- Reference manual (238 pages)
Table of Contents
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To FRX4000
Physical DCE
(Female Connector)
Pin
1
2
3
4
5
6
8
9
10
11
12
13
Figure A-9 X.21 Cables for Ports 4–7
These cables provide X.21 interfaces for an RS-422
Expansion Card.
Configuration Drawings
Cabletron Part Numbers:
DCE FRX-X21DCE-CAB
DTE
8
1
15
9
Signal
FGnd
TDa
Ca
RDa
Ia
CLKa
SGnd
TDb
Cb
RDb
Ib
CLKb
FRX-X21DTE-CAB
1
8
9
15
Physical DTE
(Male Connector)
Pin
Signal
1
FGnd
2
TDa
3
Ca
4
RDa
5
Ia
6
CLKa
8
SGnd
9
TDb
10
Cb
11
RDb
12
Ib
13
CLKb
A-9
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