Specifications

DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol Remote Operations
MN-DMDREMOTEOP Revision 9 1–40
<1> Tx Terrestrial
Loopback
0 = Disabled, 1 = Enabled
Opcode: <2618h> Command a Modulator’s Baseband Loopback
Command Data (1 Byte)
<1> Tx Baseband
Loopback
0 = Disabled, 1 = Enabled
Opcode: <2619h> Command a Modulator’s Network Specification
Command Data (1 Byte)
<1> Network Spec 0 = Closed Net, 1 = IDR, 2 = IBS, 3 = D & I, 5 = DVB
SAT, 11 = MIL-188-165A, 16 = RFM, 17 = Ebem
Opcode: <261Ah> Command a Modem's External Clock Frequency
Command Data (4 Bytes)
<4> External Clock
Frequency
Binary value, 1 Hz steps
2.4 kHz to 20 MHz For DMD20
2.4 kHz to 52 MHz For DMD2050, DMD2050E and
DMD50
Opcode: <261Bh> Command a Modem's External Reference Frequency
Command Data (4 Bytes)
<4> External Reference
Frequency
Binary value, 8 kHz steps, 256 kHz to 10 MHz
Opcode: <261Dh> Command a Modulator’s T1D4 Yellow Alarm Selection
Command Data (1 Byte)
<1> T1D4 Yellow Alarm
Select
Reserved
Opcode: <261Eh> Command a Modulator’s Interface Type
Command Data (1 Byte)
<1> Tx Interface Type 0 = G.703 Bal T1 AMI, 1 = G.703 Bal T1 B8ZS, 2 =
G.703 B E1 HDB3, 3 = G.703 Bal T2 B6ZS, 4 = G.703
Unbal E1 HDB3, 5 = G.703 Unbal T2 B8ZS, 6 = G.703
Unbal E2 HDB3, 7 = RS422 Serial, 8 = V.35, 9 =
RS232 Serial, 10 = HSSI, 11 = ASI, 12 = Advanced
ASI, 13 = M2P Parallel, 14 = DVB Parallel, 24 =
Ethernet Bridge, 25 = MIL-188-114A, 26 = RS423
Serial, 27 = Eurocomm 256, 28= Eurocomm 512, 29 =
Eurocomm 1024, 30 = Eurocomm 2048, 31 = G.703
Unbal T3 B3ZS, 32 = G.703 Unbal E3 HDB3, 33 =
G.703 Unbal STS1 HDB3
Opcode: <261Fh> Command a Modulator’s Circuit ID
Command Data (11 Bytes)