05776-1198 <90-00124>
P
AGE
11
44118 B
RIDGE
A
LIGNMENT
P
ROCEDURE
Refer to Fig 8.
1.
Remove power from the assembly
2.
Plug in the 44118 module.
3.
Apply power
4.
Connect a 600-ohm terminated dB level meter across the 600-ohm
output from the signal generator. Set generator frequency to ap-
proximately 1 KHz.
5.
Adjust generator level for reading equal to system line receive test
tone level +7 dBm for port 1.
6.
Connect the 600-ohm terminated dB level meter to the COM-
BINED DIST OUTPUT jack (J9) on the 44118 front panel.
7.
Leave the dB meter connected to J9 for following steps
8.
Connect the signal generator to the LINE RCV PORT 1 jack (Jl) on
the 44118 front panel.
9.
Read distribution level on meter. Adjust the LINE RCV PORT I
level control (R7) for reading of -10 dBm.
10.
Move signal generator to the LINE RCV PORT 2 jack (J3).
11.
Read distribution level on meter. Adjust the LINE RCV PORT 2
level control (R24) for reading of -10 dBm.
12.
Move signal generator to the LINE RCV PORT 3 jack (J5).
13.
Read distribution level on meter. Adjust the LINE RCV PORT 3
level control (R38) for reading of -10 dBm
14.
Move signal generator to the LINE RCV PORT 4 jack(J7).
15.
Read distribution level on meter. Adjust the LINE RCV PORT 4
level control (R54) for reading of -10 dBm
16.
Leave the signal generator connected to J7. Do not change genera-
tor level. Do not readjust any receive level controls.
17.
Move the 600-ohm terminated dB level meter to the LINE XMT
PORT 1 jack (J2).
18.
Read system line transmit test tone level -16 dBm for port 1. Ad-
just the LINE XMT PORT 2 level control (Rl6) for proper reading.
19.
Move the 600-ohm terminated dB level meter to the LINE XMT
PORT 2 jack (J4).
20.
Read system line transmit test tone level -16 dBm for port 2. Ad-
just the LINE XMT PORT 2 level control (R31) for proper reading.
21.
Move the 600-ohm terminated dB level meter to the LINE XMT
PORT 3 jack (J6).
22.
Read system line transmit test tone level -16 dBm for port 3. Ad-
just the LINE XMT PORT 3 level control (R46) for proper reading.
ALIGNMENT PROCEDURES
CONTINUED
. . .
F
IG
. 8 - F
RONT
P
ANEL
, 44118
A11-44118-
44118-00
DISTRIBUTION
BRIDGE
LINE RCV
PORT 1
PORT 2
PORT 3
PORT 4
COMBINED
DIST
OUTPUT
PORT 1
PORT 2
PORT 3
PORT 4
LINE XMT
44118-00 REV__
J1
J3
J5
J7
J9
J2
J4
J6
J6
J8
R7
R24
R38
R54
R16
R31
R46
R62
