IBM 3270 Operation Guide

Cable Requirements and Card Options
Table
1
shows
the
card
requirements
for
various
signal
cable
types
and
IBM
products.
Table
1.
Cable
Requirements
150
ohm
Shielded
IBM
Coaxial
Twisted-Pair
Model
RG62A/U
(22 AWG)1
3270
Cards
BNC
Yes
(notes
1
and
3)
3299
Model
BNC
Yes
(note
1)
1
or3274
3299
Model
BNC
Yes
(note
1)
2
or
3174
3299
Model
NA NA
3
NA
•c
Not
applicable
1
Dual
Purpose
Connector
(DPC)
2
IBM/ROLM
Coax-to-Twisted-Pair
Adapter
(CTPA)
3
IBM
Cabling
System
red
balun
4
Modular
jack
connector
5
Dual
Purpose
Connector
- T3 (DPC-T3)
4
150
ohm
Shielded
Twisted-Pair
(26 AWG)1
Yes
(notes
1
and
3)
Yes
(note
3)
Yes
(note
1)
NA
Telephone
Twisted-Pair
Type 3
Yes
(notes
2
and
5)
Yes
(note
2)
Yes
(note
5)
Yes
(note
4)

IBM 3270 Specifications

General

Brand	IBM
Model	3270
Category	Desktop
Language	English