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5.4 T
S
ROUBLE
HOOTING
L
V
/S
OW
OLUME
TATIC
F
USES
T
A
ECHNICAL
SSISTANCE
/N
/C
T
OISE
ROSS
ALK
S
S
TATION
PECIFIC
If the above condition occurs at a single station, see
Station Inoperable above.
S
-W
YSTEM
IDE
1. Check the CO Line at the telco demarcation block.
2. Check the wiring from the demarc to IVX.
3. Connect a known working phone to the block directly
behind the system cabinet.
The Line and extension fuses located on each Port Card
are solid state non-replaceable fuses. Each will automati-
cally reset when the fault that caused the fuse to trip has
been corrected.
The main power fuse is located on the main board below
the disk drive assembly. Before attempting to replace this
fuse, contact ESI Technical Support.
Dealer technical assistance is available 8:00AM to 7:00PM
Central Time, Monday thru Thursday and 8:00AM to 5:00
PM on Friday. We require that a qualified telephone repair
technician be on-site with the appropriate test equipment
for our help.
IVX
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