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Appendix D. Cable Requirements
This appendix consists of the following sections:
Section 1. 3708 EIA 232C Interface Cables from IBM
Section 2. Minimum Connections Required for IBM 3708 EIA 232C Cable
Section 3. IBM 3708 EIA 422A Interface Cables
Section 4. IBM 3708 EIA 422A Interface to IBM Cabling System.
Section 1. 3708 EIA 232C Interface Cables from IBM
This section describes the EIA 232C cables available from IBM. EIA 232C is the
communications interface standard used only in the USA and Canada. CCITT
V.24/V.28 is the recommended interface for use in countries other than the U.S.A.
and Canada. Both communication interfaces use the same electrical characteristics
for the drivers and receivers.
EIA 232C Cable Types
The 3708 cable types are:
• 3708 EIA 232C Interface to DTE (Data Terminal Equipment) with M/F
(Male-Female) Connections
• 3708 EIA 232C Interface to DTE (Data Terminal Equipment) with M/M
(Male-Male) Connections
• 3708 EIA 232C Interface to DCE (Data Communications Equipment).
Three cable lengths are available in the U.S.A. and Canada. The part numbers for
these cables are provided in the following table.
Length
3
m
(10 ft)
8 m (25 ft)
15
m
(50 ft)
DTEM/F
PN 6405393
PN 6405394
PN 6405395
DTEM/M
PN 6405421
PN 6405422
PN 6405423
DeE
PN 6405390
PN 6405391
PN 6405392
The cable length must not exceed 15 meters (50 feet).
Appendix D. Cable Requirements
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