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MAINTENANCEABDTXO~HO~G
Iqfinfte
4096
Hybrid
Key Telephone
System
rable
880-13
Amplified
Conference
Board
(COA)
FUNCTION
CON-LROL
OPTIONS
FAULT
OPTIONS
Ampufkd
central
Provkles intcrfaa
Busy statt LED
8 jumper
stzaps to
l.Unable
to receive
Office (COA)
for 8 CO lines with
that monitors
each
set gain at 0
db
or
co dial tone.
Color Code: White
theabtitytoadd3
COllneforringiq
+3dbforuseln
2.Unable
to break
dbofgainonapcr
busy,andkikcon-
amfercncccaila
co dfal tone.
circuit basis.
clmona
service switch well
and lhnk
to lhmk
3 CO line(s) not
DIsA *-
Nomul/Service
&w.
mode.
4.Crosstalk/Nolse-
Off Premtse i&ten-
sion (OPXJ
Color Cede: Green
I
-
Table BOO-14 Off-Premise
Extension
Board
(OPXj
FUNCTlON
Provides four (4) 48
volt bop to lnter-
face OPX circuits.
Contains matrix for
CO and ICM ports.
-
CONIROL
I
OPTIONS
Busy state LED
None.
that monitors
cir-
cuits for busy condi-
tion.
Setin
switch with
Normal/Sewke
mode.
FAULT
OFTIONS
l.SLT can't receive
dial tone.
2.Poor transm.tsion
characteristics.
BOO-6
Issue 1, January
1992
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