Comtech EF Data CDM-625A - Manual (Page 185)

CDM-625A Advanced Satellite Modem MN-CDM625A
Front Panel Operation Revision 3
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.