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The DMDU Programmer is powered over a dedicated 20V DC in port, powers the DMDU LNB, monitors Digiturk’s Homebase transponders (fixed at 1105MHz, 1022MHz, 1144MHz) for changes in Frequency Plan version, updates the DMDU LNB when new version is available and pass through the DMDU LNB RF signal to feed a network of Digiturk STBs connected through RF splitters.
Parameter
Input frequency range (MHz) | 950~2150 |
DC in rating | 18~20V DC,1A max.,F-type(female) |
DMDU LNB RF input | 1.F-type (female) |
RF Output | 1.F-type (female) |
Input power (dBm) | -55~-15 |
Insertion loss (RF input to RF output) (dB) | 3(max.) |
Return loss DMDU LNB RF input port (dB) RF output port (dB) |
8(min.) 8(min.) |
DC out to DMDU LNB | 18V DC,500mA max. |
Communication protocols with DMDU LNB | DiSEqC2.0 |
Status LED | Solid red –no HB TS lock, dCSS ODU comm nok Blink red x1 –no HB TS lock, dCSS ODU comm ok Solid green –HB TS lock, dCSS ODU comm ok Blink green x1 –HB TS lock, dCSS ODU FP update Blink green/red x1 –comm with SatPal |
Reset button | 10sec press triggers reset of the DMDU Programmer as well as of a connected DMDU LNB (LED blinking during the process) to factory defaults. |
Digiturk Frequency Plan (FP) OTA updates | Scrambled Digiturk Frequency Plan (FP) is received over Digiturk home base transponders with NIT/PMT linkage descriptor per DVB-SSU [ETSI TS 102 006] standard. |
Security | Security of the system is ensured by using two sets of RSA2048 public private key sets and a AES128 FP scrambling Key: • AES128 FP: Used to scramble package content (and signed with hash SHA256) • Inverto RSA2048 public Key 1 - Inverto RSA2048 Private Key 1: Used to encrypt AES128 FP key • Inverto RSA2048 public Key 2 - Inverto RSA2048 Private Key 2: Used to sign package content
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Power consumption (unit only, no load) | 150mA max. @ 18V, 2.51W max. |
Operating Temperature | -30°C ~ 60°C |
Environment and installation | Indoor use (IP54), wall mount installation, earthing port |
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