Comtech EF Data SDM-650B - Manual (Page 269)

SDM-650B Satellite Modem Asynchronous Overhead Channel Unit
Rev. 5 F–11
The action at loss of lock is as follows (modem A loses carrier detect):
1. Modem A sets its power to Nominal, Hold, or Maximum, as specified by Carrier
Loss action.
2. Modem A sends Carrier Lost command to modem B.
3. Modem B sets its power to Nominal, Hold, or Maximum, as specified by Remote
Carrier Loss action.
Note: Local Carrier Loss has priority over Remote Carrier Loss.
F.4.2 Modem-to-Modem Channel for Remote M&C
This feature allows the user to monitor and control a remote modem location using the
front panel or serial port of the local modem.
The user has the ability to set or reset the following commands:
• Baseband Loopback
• TX 2047 Pattern
• AUPC
Enable
The user has the ability to remotely monitor the Receive 2047 BER.