Operation - AT&T Bell System Plant Series Identification And Operation

(
(
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cle (two parallel blades and a U- shaped
grounding pin) •
3. 10 A KS-19087, List 2 receptacle,
designated GUST EQUIP, is provided
for interface connections to associated
business machine. The business machine
cord, equipped with a Cinch or Cannon
DB - 19604 - 432 plug, must be furnished by
the customer .
• Some early model data sets were
equipped with a Cannon KO2 -21 -30SN
socket . Adapter cords are available
to permit connection of an early
model data set to a later model busi -
ness machine or to connect a later
model data set to an early model
business machine. Table D shows
the adapter cords and their use.
Adapter
Cord
M26D-61
M26E - 61
TABLED
ADAPTER CORDS
Data Sets
Business
401B, D
Machine
Early model Later model
Later model Early model
ISS 5, SECTION 594-011- 100
Note: Early model data sets and
business machines were equipped
with a Cannon-type round connec-
tor. On later model equipment the
connectors are Cinch-type and are
rectangular. In some cases it may
be nee es sary to strap pins M and N
on the business machine end of the
adapter cord to provide ground to
the business machine contacts.
Refer to Table B.
3. 11 A jack, designated TEL SET, is
provided for connection of the
D6AC-6 l cord from the telephone set.
3. 12 Fig. 5 shows the rear of the data
set and location of the various
connectors .
3. 13 A complete data set, coded
J 1D40 lB, Lists 1 and 3, or
J 1D40 ID, Lists 1 and 2, includes both
the data set (list 1) and the modified
502BR-61 teleph one set (lists 2 and 3).
4. OPERATION
4. 01 For detailed operation refer to
CD- and SD-1D002-01.
Wesf!.!'!,l,!~ctric
DATA SET 4018
RECEIVER
JID401B 1 SERIAL NO-
Fig. 5 - Data Set, Rear View
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