Config: Misc  Meo Antenna Handover; Config: Mask; Config: Mask  Ais - Comtech EF Data CDM-625 Installation And Operation Manual

Advanced satellite modem (18 kbps – 25 mbps)

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Table of Contents

CDM-625 Advanced Satellite Modem

Front Panel Operation

5.2.1.10.9.1 CONFIG: Misc  MEO Antenna Handover

Antenna Handover: Enabled

Mode = Manual

arrow keys to navigate to the proper line:

First, on the top line – Use the

control, and to set the DPD (Digital Pre-Distortion) limit.

To set the Antenna Handover operation, use the

Enabled or Disabled.

To set a value for the DPD limit for this unit, use the

value from -13 to (+)13.

Next, on the bottom line – Use the

mode as Manual or Auto.

Press ENTER when done.

The Mask submenus allow you to selectively mask (ignore) or make active various alarms and

traffic conditions that are monitored by the modem.

Alarm Masks: AIS Buffer Ref RxIF TxClk

TxSat RxSat Terr ROp BUC LNB CEX

arrow keys to select AIS, Buffer, Ref, RxIF, TxClk, TxSat, RxSat, Terr, ROp, BUC, LNB

and CEX, and then press ENTER.

5.2.1.11.1 CONFIG: Mask  AIS

arrow keys to select Tx-Terr-AIS or Rx-Sat-AIS, and then use the

select either as Active or Masked. Press ENTER when done. Note the following:

Selecting Tx-Terr-AIS as Active generates a fault whenever the modulator senses that

the 'all ones' condition is present in the terrestrial data.

arrow keys to select the Antenna Handover operational

Tx-Terr-AIS = Masked

Rx-Sat-AIS = Active

arrow keys to select operation as

arrow keys to set the Antenna Handover switching

(Active,Mask)

arrow keys to select a DPD

arrow keys to