7
SIMPLIFIED SCHEMATIC
NOTE: Specifications are subject to change without notice.
TROUBLESHOOTING CHART
Problem
Possible
Solution
1. No talk battery on Tip and
Ring
2. No paging at speaker
3. Paging at speaker but no
reply from speaker
a. Verify good connections on terminals 1 (TIP), 2 (RING), 3 (GND),
and 4 (-24VDC). Verify SW3 in "ON" position.
a. Test system with two Lineman's Test sets:
a.
Disconnect TIP and RING of the V-9941A from the telephone
system.
b.
Connect one test set across terminals 1 (TIP) and 2 (RING) of the
V-9941A and the second test set across terminals 6 (SPKR) and 7
(SPKR). Turn SW3 "ON".
c.
While monitoring the second test set, go off hook on the first test
set and page.
d.
If the page is heard when the V-9941A is working, verify the
connections to the speakers. If your system still does not work,
verify proper programming of your phone system. There should not
be any type of toll restriction on the port used to access the Valcom
equipment.
a. Verify talkback speakers are being used.
(NOTE: Most page ports are not talkback compatible)
Battery Feed
Loop Detect
Talkback
Amplifier
Control
Circuit
Music Relay
Power
Supply
Tip (1)
Ring (2)
-24Vdc (4)
Ground (3)
(6) Spkr
(7) Spkr
(8) Music
(9) Music
Gnd Start (5)
Inhibit (10)
SW3
Battery Feed
