Select: Test  Uncorrected-Ber - Comtech EF Data CDM-625A Installation And Operation Manual

Advanced satellite modem (18 kbps – 25 mbps)

Hide thumbs Also See for CDM-625A:

Table of Contents

CDM-625A Advanced Satellite Modem

Front Panel Operation

Note that, when CnC-APC is disabled, this menu is inaccessible and displays the following

CnC-APC is disabled.

SELECT: TEST  Uncorrected-BER

Uncorrected BER < 5.0E-6

In order for a valid test run, you must first configure the modem with Viterbi, VersaFEC CCM, or

ULL (Ultra Low Latency) FEC. If the modem is not configured with the required FEC, this screen

displays "N/A" in the place of a proper test value on the top line, and a configuration advisory

follows on the bottom line:

Uncorrected BER=N/A

Requires Viterbi, VersaFEC CCM or ULL()

Sect. 6.2.1.3.4 CONFIG: Tx  FEC

Sect. 6.2.1.4.3 CONFIG: Rx  FEC

Additionally, if the demodulator is in unlocked state, this menu is inaccessible and displays the

following message:

Demodulator is unlocked

Chapters

Table of Contents