Dantel D18-05547 Series, Руководство по установке и эксплуатации, Страница: 17 / 26

05547-0798 <90-00047> P
AGE
17
16. Proceed to the next section to align the 44214 modem, or apply power
to the system and follow the procedures in the Operation chapter to
check the system.
44214 M
ODEM
A
LIGNMENT
Set modem to Originate Mode
Set Switch 4, accessible through the front panel, to ORG.
Adjust transmit level
1. Connect a 600 ohm terminated dB meter to the module. Connection
can be made at either of two places. A mini-plug can be inserted into
the front panel jack labeled 4W MON or the meter can be connected
to the 44214’s edge connector at pins 40 and 39.
2. Adjust the XMT LEVEL, at the bottom of the front panel, until the
meter reads -6dBm.
Adjust the receive level
1. Connect a 600 ohm load across the output of a signal generator. With
a 600 dB meter across those same outputs, adjust the output level of
the generator until the meter reads -29 dBm, at 1004 Hz.
2. Remove the meter and the 600 ohm load from the generator. Connect
the generator to the 44214. Connection can be made at either of two
places. A mini-plug can be inserted into the front panel jack labeled
2W LINE or the meter can be connected to the 44214’s edge connector
at pins 41 and 42.
3. Connect the dB meter, unterminated, to the pinjacks on the front
panel. These are labeled RCV and GND.
4. Adjust the RCV LEVEL, at the bottom of the front panel, until the
meter reads -20 dBm.
5. Remove the meter and the generator.
00331-00 O
FF
-N
ET
I
NTERFACE
This shelf is part of the D18-05547-03. Fig. 14 shows the front
view of this shelf.
INSTALLATION
F
IG
. 14 - 00331 F
RONT
V
IEW