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F
. 7 - S
L
, 44118 B
IG
TRAP
OCATIONS
A
LIGNMENT
05774-0598 <90-00122>
INSTALLATION
RIDGE
HI LO
HI LO
All straps and levels are factory-set. If necessary, refer to Fig. 8
and the section below to align the 44118 Bridge.
Equipment Required
♦
Signal Generator sending a 1kHz, 600 ohm signal at various
levels.
♦
600-ohm Level Meter (with and without 600-ohm termina-
tion).
1.
Verify that the straps are set per Table D. Remove power from the
shelf. Insert 44118 module into slot 3. Reapply power.
2.
Connect a 600-ohm terminated dB meter across the 600-ohm out-
put from the signal generator. Set the generator frequency to 1kHz.
Adjust generator level for a reading equal to system line receive
test tone level of +7dBm.
+ +
B2X D2H
D2X
B1X D1H
HI LO
+
1R
2R
+
3R
+
+
+
+
+
2X
HI LO
LO HI
3X
+
HI LO
+
+
+
4X
+
+
D1X
+
G4X
D3X
+
H1R
+
+
. . .
CONTINUED
P
9
AGE
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