Chapter 10. Clock Modes And Drop And Insert (D&I) - Comtech EF Data CDM-600L Installation And Operation Manual

CDM-600L Satellite Modem
Front Panel Operation
If CENTER is selected, the following sub-menu is displayed:
CONFIG: CLOCKS: RX BUFFER/CLOCK: CENTER
Follow the instructions on the screen.
CONFIG: CLOCKS: EXTERNAL-BASEBAND-CLOCK
EXTERNAL-BASEBAND-CLOCK = 02048.000 kHz
TYPE = UNBAL
To edit the External Clock, select the digit to be edited using the [←] [→] arrow keys. Edit
the value of the digit using the [↑] [↓] arrow keys. Press ENTER.
6.3.1.6 CONFIG: DROP & INSERT
IMPORTANT
DRP-TYPE= T1-D4
INS-TYPE= T1-D4
sing the [←] [→] arrow keys, select one of the five parameters on the screen.
U
Note that Drop and Insert operation is a FAST option. Selecting LOOP will tie Drop Data
Out (DDO) to Insert Data Input (IDI) without the user having to externally connect cables
to these ports.
The Drop-Type and Insert-Type and Loop (Y/N) are edited on this screen using the [↑] [↓]
arrow keys. The Drop & Insert-Types are:
PRESS ENTER TO CENTER THE BUFFER
OTHERWISE, PRESS CLEAR
(UNBAL,BAL)
Drop and Insert is discussed in the Chapter "Clock modes and Drop
and Insert (D&I)" later in this manual.
CHAN/TS
CHAN/TS
•
T1 – D4
•
T1 – ESF
•
E1 – CCS
•
E1 – CAS
LOOP=Y (Y/N)
6–20
Revision 2
MN/CDM600L.IOM