Configure The Modem; Verify Operation (If Loopback Test) - Comtech EF Data CDM-570A Installation And Operation Manual

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Installation and Startup
Do these steps to install the kit (Figure 2-3):
1. Assemble the #10 Shoulder Screws through the Adapter Plate mounting slots using the #10
Flat Washers, #10 Split Washers, and #10 Hex Nuts.
2. Mount the Rear Support Brackets to the rack enclosure threaded rear mounting rails using
the #10 Rack Bracket Bolts.
3. Slide the CDM-850 into the front of the rack enclosure. Make sure that the #10 Shoulder
Screws properly engage into the slots of the Rear Support Brackets.
2.3

Configure the Modem

The modem ships with a default 64 kbps, QPSK, Rate 1/2 configuration. There are no internal
jumpers to configure, no interface cards to install, and no other options to install. All
configurations are carried out entirely via software.
You should first configure the modem locally using the front panel keypad and display. See
Chapter 6. FRONT PANEL OPERATION for details on how to fully configure the modem for the
desired operating parameters.
The auto-sensing AC power supply does not require any adjustment. Simply plug
in the supplied line cord, and then turn on the switch on the rear panel.
2.4

Verify Operation (IF Loopback Test)

You can quickly verify proper operation of the modem, without the need for externally
connected equipment by using the front panel keypad and display.
Do these steps:
1. From the top-level SELECT: menu: Use the
branch, and then press ENTER.
2. From the TEST menu, use the
Loopback). Press ENTER to execute the test.
See Chapter 6. FRONT PANEL OPERATION for detailed information on using
Test modes.
The demodulator should synchronize, and the Rx TRAFFIC LED indicator on the front panel
should illuminate green. If the modem does not pass this test, contact Comtech EF Data Product
Support for further assistance.
arrow keys to first select the TEST menu
◄►
arrow keys to first select Mode, and then IF↓ (IF
◄►
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MN-CDM570A
Revision 3