Comtech EF Data SLM-5650C CyberLynx Installation And Operation Manual page 75

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Description
Real Time Clock
Test Modes
Tx Misc
Modem Configuration
Set to get accurate stored event times.
CW Mode:
Tx-CW, Carrier Wave at the center frequency.
Tx Alt-1,0:
Use to confirm carrier null and offset suppression during test.
IF loopback:
Internal IF loop.
(Turn loopback off before changing the Modem Type)
An amber TEST indicator on the far right of the Web page will turn on and off to indicate that
a test test mode is on. The BERT functions are included in Test Modes. Turn all test modes
off during normal operation.
GBEI Flow Control:
GBEI Flow Control manages Ethernet Flow by sending out pause frames when the Ethernet
stream becomes congested. The directly attached Network device must have Flow Control
on to make this work properly.
The modem interface will send out pause frames to pause the Ethernet traffic periodically.
The pause frame is shown below:
SLM-5650C / SLM-5650C-ODU Satellite Modem
Parameters
6–17
Revision 1
MN-SLM-5650C

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