IBM 3278 Series

the module is packed. Also, while holding a
module
to be installed in a socket, first make
hand
contact to the socket pins to drain off
any static charge.
11. Terminals
that have the ECS feature, card loca-
tion 01 A/A 1 D02 (Dl, will have the selector pen
card
in location 01A/A1E4. All references to
the selector pen card for the (D) type will be
location
01 AlA 1 C04 or 01 A/A 1 E4.
Caution: The 3278 must be off before cards and
cables are reseated or swapped.
Be careful not to
loosen cards or cables when working on the 3278.
This could cause intermittent failures then or
at a
later time.
SY27-2510-6
11/81)
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