Datum Systems M7 Series - Page 109

M7/M7L/M7LT Modular Satellite Modem Maintenance
M7/M7L/M7LT - Rev. 0.05 3-53
Synchronous Interface Parameters
Representation
Type
Entry
Description
I/O Send Clock Source
TT Clock
Selection
0 = Internal, 1 = TT Clock
2 = Rcv Clock,
3 = External
Transmit Clock Source.
I/O Send Data
Normal
Selection
0 = Normal, 1 = Inverted
Transmit Data Inversion
I/O Rcv Clock Source
Dmd Rcv Clock
Selection
0 = Dmd Rcv Clock,
1 = Internal,
2 = Mod Clock,
3 = TT Clock,
4 = External
Receive Clock Source.
‘Dmd Rcv Clock’ selection
disables the buffer.
I/O Rcv Buffer Delay
2.0000 ms
Numeric
0.0001 to 999.9999 ms
Sets the size of the Rcv Buffer in
mSec. Range is dependent on
the data rate of the Rcv carrier.
I/O Rcv Buffer Size
8192 bits
Read Only
N/A
Indicates the size of the Rcv
Buffer in bits.
I/O Rcv Clock
Normal
Selection
0 = Normal, 1 = Inverted
Receive Clock Inversion
I/O Rcv Data
Normal
Selection
0 = Normal, 1 = Inverted
Receive Data Inversion
I/O RTS
Normal
Selection
0 = Normal
1 = Control CXR
Interface RTS line control
I/O CTS
Normal
Selection
0 = Normal,
1 = Force Active
Interface CTS line control
I/O DCD
Normal
Selection
0 = Normal,
1 = Force Active
Interface DCD line control
I/O DTR
Ignore
Selection
0 = Normal,
1 = Ignore
Interface DTR line control
I/O DSR
Force Active
Selection
0 = Normal,
1 = Force Active
Interface DSR line control
I/O RTS Monitor
to Alarm A
Selection
0 = Disabled,
1 = to Alarm A,
2 = to Alarm B
Allows using Alarm relay contacts
to show RTS Status, overriding
other alarms.
Send Mux Mode
Advanced
Selection
0 = Disabled,
1 = IBS Standard,
2 = IBS Enhanced
3 = Advanced
Enables Multiplexer to specified
mode. Enable makes other menu
selection below visible.
Send Mux ESC Rate
2.400 kbps
Selection
0 = Disable
1 to 7 selects standard
rates 0.300 kbps – 38.4
kbps
Only in Custom or Advanced
Mode. Selects framing resources
committed to ESC
Communications
Send Mux MCC Rate
0.300 kbps
Selection
0 = Disable
1 to 7 selects standard
rates 0.300 kbps – 38.4
kbps
Only in Custom or Advanced
Mode. Selects framing resources
committed to MCC
Communications.
Send Mux Alarm Channel
0.100 kbps
Selection
0 = Disabled, 1 = Enabled
Enable the backward alarms