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SECTION 503-550-101
TYPE OF
SERVICE
Single Line Set
Single Line Set With
Internal Speaker-
phone
Single Line Set With
External Speaker-
phone
6-8utton Key Set
6-8utton Key Set
Internal Speaker-
phone
6-8utton Key Set
External Speaker-
phone
•
Add color or coordinated color suffix.
Notes:
1.
The DlOS and D20M cords are spade tip ended for connection to 44-type connecting blocks.
The DlOT, D20L, and D50A8 are plug ended for use with 66E3-type connecting blocks or
A258 connector cables.
2 .
Requires a P-90D2 34 relay assembly a n d external 6668 transmitter. Relay assembly i s in
stalled in place of 6748 transmitter.
Operating Features
(a) 518 Dial
eRECORD button-when pulled, places 518
dial in record mode.
recording head to start position.
e WAIT button-used while recording to provide
stop for second dial tone.
eCALL button-for dialing prerecorded numbers.
Page 4
BSP 503-S50-101-i03 1970-12-Q4.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock,
TABLE A
REQUIRED MODULAR ITEMS (ORDERED SEPARATELY)
HOUSING
CARTRIDGE
HANDSET
ASSEMBLY
181
G12A-*
or
3A-*
182
When pushed, resets
C
olo
MOUNTING
HANDSET
CORD
(NOTE
DlOS-*
or DlOT-*
D20L-*
or D20M-*
D20L-*
or D20M-*
H4D8-*
D50A8-*
D50A8-*
D50A8-*
(b) 18-Type Cartridge
eDIRECTORY SELECTOR-drives directory
tape to desired index location.
eN AME SELECTOR-rotated to position
specific name over index space.
3.
ASSEMBLY AND CONNECTIONS
The basic CALL-A-MATIC telephone set is
3.01
shipped with a housing to protect the modular
components. This housing is not intended for use
after the telephone set is put in service, and can
be disposed of per local instructions.
intended for reuse by the distributing house.
d
r
o
a
Apr 29, 2012 21:36:48
1)
TRANS-
FACE-
CORD
PLATE
MITTER
250Cl-*
250Dl-*
6748
250Cl-*
Note 2
250Al-*
25081-*
6748
Note 2
250Al-*
It is not
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