Comtech EF Data CDM-425, Инструкция по установке и эксплуатации

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CDM-425 Advanced Satellite Modem
Revision 0
Installation 2–6 MN-CDM-425
The following tools are required to install the optional KT/6228 (4”) or KT/6228 (10”) Rear-
Mounting Support Brackets Kit:
•
Medium Phillips

screwdriver
•
5/32-inch SAE Allen

Wrench
•
Adjustable Crescent

wrench
To install the optional KT/6228 (4”) or KT/6228 (10”) Rear-Mounting Support Brackets Kit, do
these steps:
Step Task
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
Use the #10 rack bracket bolts to install the rear support brackets onto the rack enclosure threaded rear
mounting rails.
3
Mount the modem into the rack enclosure. Ensure that the shoulders of the #10 shoulder screws
properly engage into the rear support bracket slots.
2.3 Modem Configuration
Chapter 6. FRONT PANEL OPERATION
The modem is shipped 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. Configuration is
carried out entirely via the modem’s installed firmware – use the front panel keypad and display to
configure the modem locally.
The auto-sensing AC power supply does not require any adjustments. Simply
plug in the supplied line cord, and turn on the rear panel switch.
2.4 Verify Modem Operation
Chapter 6. FRONT PANEL OPERATION
Use the modem’s test functions to quickly verify proper operation of the modem, without the need
for externally connected equipment. Use the front panel keypad and, from the top level menu,
select
TEST:
Mode → IF ↓
(IF LOOP) .The demod should synchronize, and the Rx TRAFFIC LED
should illuminate GREEN. If the modem does not pass this test, contact Comtech EF Data
Product Support for further assistance. See
Chapter 6. FRONT PANEL OPERATION – Sect.
6.2.2 SELECT: Test Menu Branch.