Dantel B18-05776 Series Manual de instalación y funcionamiento - Página 11
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ALIGNMENT PROCEDURES
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__
05776-1198 <90-00124>
44118 B
A
RIDGE
LIGNMENT
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-
J1
proximately 1 KHz.
5.
Adjust generator level for reading equal to system line receive test
J3
tone level +7 dBm for port 1.
J5
6.
Connect the 600-ohm terminated dB level meter to the COM-
BINED DIST OUTPUT jack (J9) on the 44118 front panel.
J7
7.
Leave the dB meter connected to J9 for following steps
J9
8.
Connect the signal generator to the LINE RCV PORT 1 jack (Jl) on
the 44118 front panel.
J2
9.
Read distribution level on meter. Adjust the LINE RCV PORT I
J4
level control (R7) for reading of -10 dBm.
J6
J6
10.
Move signal generator to the LINE RCV PORT 2 jack (J3).
J8
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.
P
ROCEDURE
. . .
CONTINUED
P
11
AGE