Odu (Outdoor Unit) Pages (Cdm-Qxl Only); Odu | Buc (Block Up Converter) Page; Config | Lnb (Low Noise Block Down Converter) Page .......................... 6–35; Figure 6-18. Odu | Buc Page - Comtech EF Data CDM-Qx Installation And Operation Manual

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Ethernet Management
6.5.4.4

ODU (Outdoor Unit) Pages (CDM-QxL only)

The 'ODU' (Outdoor Unit) tab is used to access the BUC and LNB pages, which in turn are used to
control and monitor either a Block Up Converter (BUC) or Low-Noise Block Down Converter
(LNB) that is connected via FSK to the CDM-QxL. Click either the BUC or LNB hyperlinks to
continue.
6.5.4.4.1

ODU | BUC (Block Up Converter) Page

The 'ODU | BUC' page (Figure 6-18) is used to configure Block Up Converter parameters, and
display the BUC status for L-Band operation.
BUC Configuration
•
BUC Comms Enable, BUC Tx Output, BUC Power Control, and BUC 10 MHz may
be turned ON or OFF using the drop-down menus.
•
The user may assign a BUC Address of 1 to 15.
•
The user may assign a BUC Current Threshold High limit value ranging from 500 to
4000 mA.
•
The user may assign a BUC Current Threshold Low limit value ranging from 0 to 3000
mA.
•
The user may assign the Tx Lockout Frequency and designate the value (using the drop-
down menu) as a HIGH (+) or LOW (-) limit.
Once the desired configuration settings have been made on this page, click [Submit BUC
Controls] as needed to save those changes.
BUC Status
The parameters shown here are read-only and cannot be changed.

Figure 6-18. ODU | BUC page

6–34
Revision 7
MN/CDMQX.IOM