CDM-625A Advanced Satellite Modem MN-CDM625A
Front Panel Operation Revision 4
6–49
Ethernet data traffic is transmitted and received via the Primary and Non-Primary CDM-625’s
four 10/100 Ethernet ports. The Antenna Handover signal received from the user-provided IF/RF
switch determines which modem is the ONLINE or OFFLINE unit:
• The ONLINE unit transmits traffic only to the WAN side while, at the same time, the OFFLINE
unit’s Tx is muted.
• Both the ONLINE and OFFLINE units receive the satellite traffic, but only the ONLINE unit
forwards traffic to the LAN side while the OFFLINE unit drops the packets.
• Any time a unit switches from the OFFLINE to ONLINE state, the traffic destined for the WAN
is buffered, preconfigured in milliseconds (base modem → Antenna Handover delay).
Press ENTER to open the Enable/Disable menu.
CONFIG: Misc MEO Enable/Disable
MEO Features: Enabled (Enabled,Disabled)
Antenna Handover ()
On the top line, the
▲▼ arrow keys to select the MEO feature as Enabled or Disabled. Press
ENTER. Once the MEO feature is enabled, you may now use the
◄ ►arrow keys to navigate to
the bottom line. Select Antenna Handover, and then press ENTER to continue.
CONFIG: Misc MEO Enable/Disable Antenna Handover
Antenna Handover: Enabled DPD = 00
Mode = Manual Port = 05501 ()
Use the
◄ ►arrow keys to navigate to the proper line:
First, on the top line:
Use the
◄ ►arrow keys to select the Antenna Handover operational control and to set
the DPD (Differential Path Delay) limit.
• To set the Antenna Handover operation, use the
▲▼ arrow keys to select operation
as Enabled or Disabled.
• To set a value for the DPD limit for this unit, use the
▲▼ arrow keys to select a DPD
value from -30 to (+)30.
Then, on the bottom line:
Use the
◄ ►arrow keys to select the Antenna Handover switching mode and to assign
the Communication Port Address.
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