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TTS 26B
Section 3
TABLE 3-1
Index No.
Control o r
Function
Indicator
15 (cont)
Jacks
TERMINALS
LAMPS
18
METER
8.
E
AND
M SIGNALING
-
E (for connection to the E lead)
9 . E
AND
M SIGNALING
-
M (for connection to the M lead)
10. E AND M SIGNALING
-
LINE
11. E
AND
M SIGNALING
-
DROP
12- 48 VOLT,
S =BATT, T =GND
The following terminals a r e provided:
1 . EXT ADAPT Connector
-
Provides f o r connection to
a c c e s s o r y covers
(Located i n upper left of p a n e l ) .
2 .
EXT DIAL Binding P o s t s ( 2 )
-
Provides f o r connection
of an external d i a l , s o u r c e of pulses, o r of a telephone
s e t (located in upper left of panel).
3 .
GND
Binding P o s t s
-
Provides a c c e s s to the
TTS
26B
ground.
Two supervisory l a m p s , designated
LINE
(E) and DROP (M)
a r e provided to indicate a busy (lamp d a r k ) o r
idle condition
(lamps lighted) an the line and d r o p c i r c u i t s to which the
'
s e t is connected, when E and M supervision is p r e s e n t on
the c i r c u i t s .
Provides a display f o r a l l m e a s u r e m e n t s .
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