Table 3-11. Sdm-6000 Emulation Parameter Settings - Comtech EF Data SLM-3650 Installation And Operation Manual

SLM-3650 Satellite Modem
Operation
3.5.1.8 SDM-6000 Emulation Operation
The SDM-6000 Emulation allows the SLM-3650 to be compatible with the SDM-6000
remote protocol. This modem type is used for mixing SLM-3650 modems with
SDM-6000 modems that are in service, allowing the user to:
•
Add a SLM-3650 to a rack of SDM-6000s with a protection switch.
•
Replace an SDM-6000 requiring service with SLM-3650.
•
Use SLM-3650 as the backup modem for a rack containing a mix of SLM-3650
and SDM-6000 modems.
The SDM-6000 Emulation can be an open or closed network application. If SDM-6000
application requires the use of IDR, IBS, D&I, or ASYNC overhead, then the Overhead
PCB must be installed in the SLM-3650, and the applicable FAST option shall be
enabled using the front panel.
Refer to Table 3-11 for SDM-6000 emulation parameter setting.

Table 3-11. SDM-6000 Emulation Parameter Settings

Parameter
Modem Emulation
TX Data/Code Rate
TX IF Output
RX Data/Code Rate
TX Clock Source
Buffer Clock Source
Modulator Type
Encoder Type
Demodulator Type
Decoder Type
TX Overhead Type
RX Overhead Type
Interface Type
Buffer Program
RST TX IF Cntrl
Note: The SDM-6000 software version compatibility is displayed on the second line of the
Figure 3-21, Utility:Modem Type:Modem Emulation menu.
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Front Panel Setting
SDM-6000
TX-V, QPSK 1/2
ON
RX-V, QPSK 1/2
TX Terrestrial
Satellite Clock
INTELSAT Open, CSC Closed, FDC Closed,
EFD Closed, SDM-51 Compatible
Viterbi or Sequential
INTELSAT Open, CSC Closed, FDC Closed,
EFD Closed
Viterbi or Sequential
None
None
EIA-422, EIA-232, V.35, G.703
Bits or Milli-Seconds
OFF or ON
3–86
MN/SLM3650.IOM
Reference Menu
Utility: Modem Type
Configuration: Modulator
Configuration: Modulator
Configuration: Demodulator
Configuration: Interface
Configuration: Interface
Utility: Modulator
Utility: Modulator
Utility: Demodulator
Utility: Demodulator
Utility: Interface
Utility: Interface
Utility: Interface
Utility: Interface
Utility: Interface
Revision 3