IBM 3277 Troubleshooting Manual page 116

Display station models 1 and 2
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8.1 GENERAL
Carefully inspect the display station for any obvious
damage as
soon
as it arrives on site. Check that all
item~
listed in the bills of material are received. It is extremely
important that power-source line voltage is correct and that
primary power connections in the display station are
correct before power is applied to the unit. Do not tum
power
on
until the following checks
are
perfonned.
8.2 INSTALLATION
Check with the customer, and prace display station in the
location designated by him. If it is necessary to move a
display station, observe good safety procedures.
DANGER
The 3277 Model 2 Display Station weighs about 90
pounds. Two men should
be
used to move this unit.
Separate the upper chassis from the lower chassis before
trying to move the Model 2 display station alone.
(See
paragraph 5.3.2.8, steps 1-7, to separate the two
chasis.)
COM l00V 110V 123.5V
nov
235V
5
o
0 0
Ferro
D..,..m 8-1. 5O-Hz F ... ro TB-1
Section 8. I nstallation Instructions
8.2.1 Line Voltage Check
Domestic (USA) models use 115V ac (±10%), 60-Hz,
single-phase line voltage. No internal adjustments are
required for domestic display stations.
Important Note:
A grounded power source must
be
used.
World Trade models use 100, 110, 123.5, 220, 235V
ac,
50-Hz, single-phase, or 100V ac, 60-Hz single-phase line
voltage. Check that the connections on the ferro terminal
block, TB1, agree with the line voltage provided. Diagram
8-1 shows the 50-Hz TBL
8.2.2 Feature Installation
COnnect all features supplied with the display station.
Proceed
to
paragraph 8.2.3 if no features are to
be
attached.
8.2.2.1 Keyboard Installation
1. Remove front cover.
2. Plug keyboard cable connector into keyboard jack.
Diagrams 7-1 and 7-4 show location of cable jacks for
Model 1 and Model 2 display stations, respectively.
3. Secure cable by attaching Model 1 nylon cable clamp or
by hooking Model 2 I/O cable retainer. (Model 2 cable
I nstallation Instructions
8-1

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