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

Page: 169 / 756

CDM-625A Advanced Satellite Modem MN-CDM625A
Front Panel Operation Revision 4
6–45
6.2.1.10 CONFIG: Misc
Misc: G.703-LineCode IDR-ESC HSSI RTS
Audio-Vol HiRateESC WarmUp Stats MEO (  )
Use the ◄ ► arrow keys to select a parameter. Press ENTER .
6.2.1.10.1 CONFIG: Misc

G.703-LineCode (Ternary Code)
This menu is functional only when the Data Interface Type is G.703.
Tx G.703/DDO Code= AMI (AMI,B8ZS)
Rx G.703/IDI Code= AMI (AMI,B8ZS) (

)
The selections displayed here depend on the selected G.703 interface type. Use the ◄ ► arrow
keys to select either the G.703
Tx
or
Rx
Ternary Code, and then use the
▲▼
arrow keys to select
the desired code. Press ENTER .
Valid selections are:
Setting For:
HDB3 E1, E2 or sub-rate operation (European standard)
B8ZS T1 and Unbalanced T2 operation
B6ZS Balanced T2 operation
AMI Alternate Mark Inversion operation (North American standard)
6.2.1.10.2 CONFIG: Misc

IDR-ESC
This menu is functional only when the Framing Mode is IDR.
IDR-ESC-Type Tx:64k Data (64kData,Audio)
Rx:64k Data (

)
Use this menu to determine if the 64 kbps channel in the IDR Engineering Service Channel (ESC)
overhead, normally reserved for the two 32 kbps ADPCM audio channels, should instead carry
user data. The rear panel 'IDR Data/Alarms/Audio' connector provides the appropriate EIA-422
interface for this option.
Use the ◄ ► arrow keys to select a parameter, and then use the ▲▼ arrow keys to select its
setting. Press ENTER .