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F
. 8 - F
P
, 44118
IG
RONT
ANEL
44118-00
DISTRIBUTION
BRIDGE
LINE RCV
R7
PORT 1
R24
PORT 2
R38
PORT 3
PORT 4
R54
COMBINED
DIST
OUTPUT
LINE XMT
R16
PORT 1
R31
PORT 2
R46
PORT 3
R62
PORT 4
A11-44118-
44118-00 REV__
P
10
AGE
INSTALLATION
3.
Connect the 600-ohm terminated dB meter to the COMBINED
DIST OUTPUT jack (J9) on the 44118 front panel. The meter will
remain here for steps 4 through 7.
4.
Connect the signal generator to the LINE RCV PORT 1 jack (J1) on
the 44118 front panel. Adjust LINE RCV PORT 1 level control (R7)
J1
for a reading of -10dBm. (This is the distribution level.)
J3
5.
Move the generator to the LINE RCV PORT 2 jack (J3). Adjust
LINE RCV PORT 2 level control (R24) for a reading of -10dBm.
J5
6.
Move the generator to the LINE RCV PORT 3 jack (J5). Adjust
J7
LINE RCV PORT 3 level control (R38) for a reading of -10dBm.
7.
Remove the generator from port 3 and readjust the output from
J9
+7dBm to -6dBm. Move the generator to the LINE RCV PORT 4
jack (J7). Adjust LINE RCV PORT 4 level control (R54) for a read-
J2
ing of -10dBm.
J4
8.
For steps 9 through 11, leave the generator connected to J7. Do not
change the generator level or any of the receive level controls.
J6
J6
9.
Move the 600-ohm terminated dB meter to the LINE XMT PORT 1
J8
jack (J2). Adjust the LINE XMT PORT 1 level control (R16) for a
reading of -16dBm.
10.
Move the 600-ohm terminated dB meter to the LINE XMT PORT 2
jack (J4). Adjust the LINE XMT PORT 2 level control (R31) for a
reading of -16dBm.
11.
Move the 600-ohm terminated dB meter to the LINE XMT PORT 3
jack (J6). Adjust the LINE XMT PORT 3 level control (R46) for a
reading of -16dBm.
12.
Remove the generator from port 4 and readjust the output from -
6dBm to +7dBm. Move the generator to the LINE RCV PORT 1
jack (J1). Do not readjust any receive level controls. Move the 600-
ohm termianted dB meter to the COMBINED DIST OUTPUT jack
(J9). Verify a reading of -10dBm.
13.
Move the 600-ohm terminated meter to the LINE XMT PORT 4
jack (J8). Adjust the LINE XMT PORT 4 level control (R62) for a
level of 0dBm.
14.
Calibration of the 44118 is complete. Remove the signal generator
and the dB meter.
05774-0598 <90-00122>
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