C.6.7 G.703 Interface Commands / Queries - Comtech EF Data SLM-5650A Installation And Operation Manual

SLM-5650A Satellite Modem
Appendix C
C.6.7 G.703 Interface Commands / Queries
The instruction codes that follow are valid only when the optional G.703 interface module is installed in the SLM-5650A Satellite Modem.
Command Arguments for
Parameter (Instruction
Type Code and
Qualifier)
Receive E1 E1F= 1 byte, value of
Framing 0 or 1
Receive E2 E2F= 1 byte, value of
Framing 0, 1, 2, or 4
External Buffer ERF= 1 byte, value of
Clock 0 thru 3
Reference
Rx Ternary RTC= 1 byte, value of
Code 0 thru 3
Command or
Response to
Query
Command or Query.
Receive T1 Framing, where:
0=None
1=G.704
Note: Commands as well as queries are not allowed when either the GigaBit
Ethernet or NP card has been selected as the current interface type.
Example: E1F=0
Command or Query.
Receive E2 Framing, where:
0=None
1=G.704
2=G.742
4=G.745
Note: Commands as well as queries are not allowed when either the GigaBit
Ethernet or NP card has been selected as the current interface type.
Example: E2F=0
Command or Query.
External Buffer Clock Reference, where:
0=External Clock equals Rx Data Rate
1=5 MHz External Clock
2=10 MHz External Clock
3=20 MHz External Clock
Example: ERF=0
Command or Query.
Rx Ternary Code, where:
0=AMI
1=B8ZS
2=B6ZS
3=HDB3
Example: RTC=3 (Set Rx Ternary Code to HDB3)
Description of Arguments
C–37
Revision 8
MN-SLM5650A
Query
Response to (Instruction
Response to Query
Command Code and
Qualifier)
E1F= E1F? E1F=x
E1F? (see Description
E1F* of Arguments)
E1F#
E2F= E2F? E2F=x
E2F? (see Description
E2F* of Arguments)
E2F#
ERF= ERF? ERF=x
ERF? (see Description
ERF* of Arguments)
ERF#
RTC= RTC? RTC=x
RTC? (see Description
RTC* of Arguments)
RTC#