Comtech EF Data CDM-625A User Manual

Page 484

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CDM-625A Advanced Satellite Modem

MN-CDM625A

CDM-625A ODU (Transceiver, BUC, LNB) Operation

Revision 3

10–16

Selection

Setting

Mute

(Mute setting) Muted (i.e., Tx off) or Unmuted (i.e., Tx on)

Slope

Manual (0.0 to 1.0, in increments of 0.1) or Calibrated

Press ENTER to save, or CLEAR to cancel and return to the previous menu.

10.3.3.3.3.1.1.2 ODU: FSK-control CSAT (2CSATs CSAT #X)

Configuration Rx

Rx: Fq=6427.0 MHz Att=23.00 dB

Mute=Unmuted Slope:x.x, Cal()

Use the

◄ ►

arrow keys to select a setting, and then use the

▲▼

arrow keys to change that

setting:

Selection

Setting

Fq

(Rx Frequency) 3625-4200 MHz, in steps of 1.0 or 2.5 MHz.

Att

(Rx Attenuation) 0 to 25 dB, in increments of .25dB.

Mute

(Mute setting) Muted (i.e., Tx off) or Unmuted (i.e., Tx on).

Slope

Manual (0.0 to 1.0, in increments of 0.1) or Calibrated.

Press ENTER when done.

10.3.3.3.3.1.1.3 ODU: FSK-control CSAT (2CSATs CSAT #X)

Configuration LNA

LNA: State=On Calibrate-LNA-Current=N

Current-Window=50% Fault-Logic=Summary

Use the

◄ ►

arrow keys to select a setting, and then use the

▲▼

arrow keys to change that

setting:

Selection

Setting

State

(LNA State) Off or On. This controls whether or not the CSAT provides LNA

Power via the Receive RF Cable.

Calibrate-LNA-Current

Select YES and press ENTER to calibrate the LNA current for use with the

Current-Window function. (Default is NO.)

Current-Window:

A value from 20% to 50% defines the allowable LNA Current change before

declaring a fault. Select 99% to disable the Current Window function.

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