Bell System Practices 43B Installation, Operation And Maintenance Manual page 18

SECTION 501-165-102
TABLE C
43B AND 53B DIAL OPTIONS
OPTION
BR
Restricted Dialing 4
Unrestricted Dialing
8
No Dialing Stops
Stop After 1st Digit
Stop After 2nd Digit~
Stop After 1st and
2nd Digit~
Stop After 1st and
3rd Digit
Short Loop (under
400 ohms total)$
I
Long Loop
(over
400 ohms total)$
DIAL SPADE-TIPPED LEADS
BK BL
8
4
I
3
8
3
8
8
v
S*
3
3
8
8
8
*
2
*
2
* Insulated and stored.
~ Program 3rd digit for a "U" for stops after 2nd digit.
$ 43B dial only.
Q 53B dial only.
—
S-R
2
s
-v
f Applies only for TOUCH-TONE sets with the 53B dial in the
unrestricted mode. In all other cases, insulate and store.
Pago 18
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