Comtech EF Data CDM-700 - Manual (Page 78)

CDM-700 High Speed Satellite Modem Revision 5
Front Panel Operation MN/CDM700.IOM
6–24
Upon entering the menu, the cursor blinks below the currently active interface and its data rate is shown:
Port Type Selection Data Rate
E3 34.368 Mbps
T3 44. 768 Mbps
STS1 51.85 Mbps
If Intfc1 Port1 E3/T3/STS1: Æ Line-Code is selected:
Intfc1 Port1 E3CODE
(HDB3S): On Off (E)
This display indicates which port type was selected for Port 1 under Intfc1 Port1 E3/T3/STS1: Æ
Type and allows enabling or disabling of the line code specific to that selected port type.
The appearance of the Line-Code menu display depends upon the selected port type. For each
display, the port type is shown first; the applicable line code appears in parentheses; and the On
or Off selections that follow enable or disable line coding.
Selected Port Type (as displayed) Line Code (as displayed)
E3 CODE (HDB3)
T3 CODE (B3ZS)
STS1 CODE (B3ZS)
By selecting Off, the modem treats the data stream as alternate-mark-inversion (AMI) – that is,
no line coding. Press
ENTER
.
If Intfc1 Port1 E3/T3/STS1: Æ Tx is selected:
Intfc1 Port1 Tx: Alarms
Inv Data Ena/Dia (E)
Select Alarms, Inv, Data or Ena/Dis, using the ◄ ► arrow keys. Press
ENTER
.
If Intfc1 Port1 Tx: Æ Alarms is selected:
Intfc1 Port1 Tx Alarms:
Tx-Data Tx-AIS (E)
Select Tx-Data or Tx-AIS, using the ◄ ► arrow keys, to configure each as an Alarm or Fault
condition. Press
ENTER
.
If Intfc1 Port1 Tx Alarms: Æ Tx-Data is selected: