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

Do these steps to install the kit (Figure 2-3):
1. Use the #10 flat washers, #10 split washers, and #10 hex nut to secure the #10 shoulder
screws to the modem chassis through the rear right and left side mounting slots as
shown.
2. Mount the Rear Support Brackets to the rack enclosure threaded rear mounting rails
using the #10 Rack Bracket Bolts.
3. Slide the modem 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.
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)

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 ◄► arrow keys to first select the TEST
menu branch, and then press ENTER.
2. From the TEST menu, use the ◄►arrow keys to first select Mode, and then IF↓ (IF
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.
Installation and Startup
CDM-570A/570AL Satellite Modem with Optional Packet Processor
2–5
Revision 5
MN-CDM570A