Comtech EF Data CDM-760, Installation And Operation Manual

Page: 130 / 441

Front Panel Operation Revision 4
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
6–41
6.2.2.4.4.3.5 (CONFIG: INTF) (PIICX=ASI)

Center (Rx Buffer Re-Center)
PIICX: TxMode RxMode ClkSource Mask
BufSize:32.0mS Center:No Fill:99% (

)
The Fill Status is a
read-only
status of buffer depth, reported as a percentage:
•
If the Fill Status is
decreasing
(approaching 0%), then the Rx traffic is arriving too slowly for the
Rx Clock setting, causing a data underflow .
•
If the Fill Status is increasing (approaching 100%), then the Rx traffic is arriving too quickly for
the Rx Clock setting, causing a data overflow .
If this value indicates a data underflow or overflow, then use the

arrow keys to select Yes
to re-center the Rx Buffer depth to 50%.
6.2.2.4.5 (CONFIG: INTF) PacketProcessor
Packet Processor: Enabled
(

)
Use the  arrow keys to select the installed optional High-Speed Packet Processor’s operation
as Enabled or Disabled . Press ENTER .
6.2.2.5 (CONFIG:) CnC (Carrier-in-Carrier)
Appendix J. D
OUBLETALK
C
ARRIER
-
IN
-C
ARRIER
(C
N
C) OPTION
CnC: Mode:Off Min Search Delay:230 ms
Max Search Delay:290 ms (

)
Use the   arrow keys to select a parameter. Press
ENTER
.
6.2.2.5.1 (CONFIG: CnC) Mode
CnC operation requires installation of the DoubleTalk Carrier-in-Carrier module. With
no module installed, CnC Mode is forced Off and this submenu is inoperable. You must
also purchase one of several available FAST options to provide capability to a
maximum of 155 Mbps.
Use the

arrow keys to select CnC operation as Off or On . Press ENTER .