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DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces
TM051 - Rev. 5.8 4-75
<1> Operating Mode 0 = Normal, 1 = 2047 test
Opcode: <2613h> Command a modulator's scrambler control
<1> Scrambler Control 0 = Disable, 1 = Enable
Opcode: <2614h> Command a modulator's scrambler type
<1> Scrambler Type 0 = None, 1 = IBS Scrm, 2 = V35_IESS, 3 = V35_CCITT, 4 =
V35_EFDATA, 5 = V35_FAIRCHILD, 6 = OM73, 7 = RS
Scrambler, 8 = V35_EFRS, 9 = TPC Scrambler
Opcode: <2615h> Command a modulator's framing
<1> Framing 0 = No framing, 1 = 96K, 2 = 1/15, 3 = EF AUPC 1/15
Opcode: <2616h> Command a modem's external reference source
<1> External Reference
Source
0 = Internal, 1 = External, 2 = High stability
Opcode: <2617h> Command a modulator's terrestrial loopback
<1>
Tx Terrestrial Loopback 0 = Disabled, 1 = Enabled
Opcode: <2618h> Command a modulator's baseband loopback
<1>
Tx Baseband Loopback 0 = Disabled, 1 = Enabled
Opcode: <2619h> Command a modulator’s mode
<1> Mode 0 = Closed Net. 1 = IDR, 2 = IBS, 3 = D&I
Opcode: <261Ah> Command a modem’s external EXC clock
<4> External EXC Clock Binary value, 1 Hz steps. 256 kHz to 10 MHz, In 8 kHz
increments
Opcode: <261Bh> Command a modem’s external reference frequency
<4> External Reference
Frequency
Binary value, 1 Hz steps. 256 kHz to 10 MHz, In 8 kHz
increments
Opcode: <261Dh> Command a modulator’s T1D4 Yellow alarm selection
<1>
T1D4 Yellow Alarm Sel.
0 = Bit 2 equal 0 for all channels
1 = Frame 12 s-bits equal 1
Opcode: <261Eh> Command a modulator’s interface type
<1>
Tx Interface Type 0 = G703-B-T1-AMI, 1 = G703-B-T1_B8ZS, 2 = G703-B-E1, 3 =
G703-B-T2, 4 = G703-U-E1, 5 = G703-U-T2, 6 = G703-U-E2, 7 = RS-
422, 8 = V.35, 9 = RS-232
Opcode: <261Fh> Command a modulator’s circuit ID
<11>
Tx Circuit ID 11 ASCII characters
Opcode: <2622h> Command Force Mod Summary Alarms
<1>
Summary Alarm 0 = Do not force. 1 = Force
Opcode: <2623h> Command Data Invert
<1>
Data Invert 0 = None, 1 = Terrestrial, 2 = Baseband, 3 = Terrestrial and
Baseband
Opcode: <2625h> Clear Latched Alarm 1 (No Data)
Opcode: <2629h> Command AUPC Local Enable
<1>
AUPC Local Enable 0 = Off, 1 = On