Comtech EF Data CDM-625A, Installation And Operation Manual

Page: 177 / 756

CDM-625A Advanced Satellite Modem MN-CDM625A
Front Panel Operation Revision 4
6–53
control). For a modem in a 1:1 redundancy setup, you must customize the fault indications for
the physical setup.
6.2.1.11.10 CONFIG: Mask

LNB
Chapter 10. CDM-625A ODU (TRANSCEIVER, BUC, LNB) OPERATION
LNB alarm = Active (Active,Mask)
Attach to Rx alarm = No (Yes,No)(

)
When L-Band is in use, you may include a Low-Noise Block Down Converter (LNB) in the
operating system. You can use the modem only to monitor and control the power supply values.
For a modem in a 1:1 redundancy setup, you must customize the fault indications for the
physical setup.
6.2.1.11.11 CONFIG: Mask

ClkExt (G.703 Clock Extension Mask)
G.703 Clock Extension = Active
(Active, Masked) (

)
Use the
▲▼
arrow keys to select Active or Masked . Press ENTER .
When you select Active , the modem generates a ClkExt (Clock Extension) alarm if the G.703
Clock Extension mode is set to TxLock and the input is lost or removed from the G.703 interface.