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

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CDM-625A Advanced Satellite Modem MN-CDM625A
Front Panel Operation Revision 4
6–59
6.2.1.13.3.3 CONFIG: IP

Setup: PerPortCnfg
Per-Port-Config:
Port1 Port2 Port3 Port4 (

)
Use the ◄ ► arrow keys to select Port1 through Port4 . Press ENTER .
CONFIG: IP

IP Setup: PerPortCnfg

Port#
Where # denotes the selected Port:
Port#: Pause=Off NegoSpeed:LinkDwn
Speed=Auto (Auto,100F/H,10F/H) (

)
On the top line – Set Pause Frame Flow Control on a
per port
basis. Use the
▲▼
arrow keys to
set this control as On or Off (default is Off ). To turn Pause on for the active (selected) port, you
must meet the following conditions:
1) Tx Data Rate or IP Info Rate (if Sub-Mux is on), or a data rate calculated based on ModCod00
from the Symbol Rate in ACM, must be at least 128 kbps.
-and-
2) WAN Buffer Length ( see the important WAN Buffer Notes that follow ).
This menu displays actual negotiated speed (
NegoSpeed:
) as a
read-only
status item.
On the bottom line – Use the
▲▼
arrow keys to select the desired speed setting. Valid settings
are:
Setting Function
Auto
Sets the port speed as Auto Negotiated. This allows the ports to negotiate speed and half/duplex
operation.
100Full Forces the Port to 100/Full.
100Half Forces the Port to 100/Half.
10Full Forces the Port to 10/Full.
10Half Forces the port to 10/Half.
WAN Buffer Notes:
What is the WAN Buffer?
Wan Buffer is applicable when the optional IP Packet Processor is not installed . It is a
special FIFO structure that exists between the IP Packet Processor’s packet
encapsulator and the Modulator path.