(Us. And Canada Only) - IBM 3270 Manual

3276 Communication Cable Connection Instructions
3276 with an Integrated Modem Attached to a Nonswitched Line with Switched
Network Backup (SNBU) and Manual Answer
(US. and Canada Only)
0
Plug the four-prong plug attached to the communication cable marked
NONSWITCHED into the four-pin receptacle connected to the nonswitched line.
0
Plug the four-prong plug attached to the communication cable marked
SWITCHED into the four-pin receptacle connected to the data coupler.
D
Label-SWITCHED
Note:
It is recommended that:
To Nonswitched
Line
To Data Coupler
• The four-pin receptacle from the data coupler (Type CBS or CDT, or FCC-certified
equivalent) be labeled SWITCHED LINE.
• The four-pin receptacle from the nonswitched line be labeled NONSWITCHED LINE.
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