eFaceplate, 250A1-*, 250B1-*, 250C1-*, or
250Dl-*
eHousing Assembly, 3A-* (includes P-86K6-*
faceplate)
(b)
Replaceable Components
eDial, 35S3A
ISS 3, SECTION 503-550-101
eTransmitter, 666B (external)
(d)
Associated Items
e
Unit, Power, 39A (order separately-one per
CA1L-A-MATIC telephone set required)
••Subscriber Instruction Booklet, SIB-2435•
(packaged with set)
eDial, 51B
Design Features
eKey, 635A2, or .635A5. (see appropriate
section in Division 512 for components)
e•P-23F503 Collar (635A5 key)•
eP-88E166 Collar (635A2 key)
eAll items listed as modular
eStrip, Designation, E-5253 (635A2 key)
••Strip, Designation, E-5837 (635A5 key)•
eP-86K6' Faceplate (51B dial faceplate)
*
Add color or coordinated color suffix.
(c)
Optional Components (order separately)
eKS-2016613 (1B1 or 1B2 blank)
Strip
eKS-2016612 (1B2 numerical)
}
Designation
eKS-2016615 (1B1 numerical)
eBuzzer, KS-810912
••Buzzer, KS-2041911•
eP-90D012 Guard Assembly (polarity guard)
eDiode, KS-1572411 (station busy lamp)
eTransmitter, 674B (internal) or
}
P-90D234 Relay Assembly (external)
•
Speaker
e1oudspeaker, 760A-
phone
e
Unit, Control, 55B or modified 55 A
eTransformer, 2012B
eSix service configurations by addition of
modular and optional items to 2671 B 1M
telephone set (Table A).
eChoice of cartridges with capacity of 250
numbers (1B1) or 500 numbers (1B2)
eRemovable faceplate for handwritten entries
on directory tape.
eCartridge removable for typewritten entries
on tape.
einterlock switch disconnects power to
directory tape drive motor on 51B dial when
faceplate is removed.
eAutomatic reset after approximately 9-second
delay in dialing or recording action.
eOperating instructions imprinted on beginning
of tape and on decal near dialer control
buttons.
eReplaceable directory selector designation
strips.
eAll pickup keys convertible to signaling.
eindividual line or common ringer.
eStation busy lamp (optional).
eAC or DC operated buzzer (optional).
einternal or external speakerphone (optional).
eDesigned for use in business type surroundings
not subject to excessive amounts of dust or
dirt.
Operating temperature range is from
40'F to 120'F with maximum relative humidity
of 95 percent.
Page 3
SSP S03-550-101-i03_1970-12-03.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Apr 29,2012 21:36:31
