Toner Cable MDDA-860 User Manual
MDDA-860
969 Horsham Road lHorsham, Pennsylvania 19044 USA l Phone: 215-675-2053 Fax: 215-675-7543 linfo@tonercable.com
Micro ATSC/QAM Transcoder
1x 8VSB / QAM ► 1x ASI
The MDDA-860 is a digital demodulator and transcoder that receives one input in ATSC 8VSB (digital off-air) or “clear” QAM (digital
cable) format and delivers one output in ASI format.
8VSB
OR
QAM ASI
Features
• Input standards supported are digital off-air
• Die-cast Chassis Offers Superior Protection against Ingress or Egress
• Demodulates & transcodes HDTV/SDTV digital signals to ASI
• Compact design allows for deployment of 12 units in 2RU
• On-site firmware updates available through front-panel
(8VSB) and digital cable (ITU-B QAM 64 and 256)
Ordering Information
Model Stock # Description
MDDA-860 6277 ATSC/QAM-to-ASI Transcoder
MIRC-12V 7715 Rack Chassis
MIPS-12C 7722C 110V/60Hz power supply (one per chassis configuration above)
(holds up to 12 modules)
Specifications
MDDA-860
Micro ATSC/QAM Transcoder
1x 8VSB / QAM ► 1x ASI
INPUT
Connector: “F” Female
Standards
8VSB Mode
QAM Mode
Single Channel Power Level:
8VSB Power Level:
QAM Power Level:
8VSB:
QAM:
Tuning Range:
Symbol Rate:
Bandwidth:
Tuning Range:
Symbol Rate:
Bandwidth:
Return Loss:
Impedance:
ATSC Digital Television Standard A/53E
ITU-T J.83
UHF
10.762 Msymbols/sec
6 MHz
CATV
5.3606 Msymbols/sec (QAM 256); 5.057 Msymbols/sec (QAM 64) – Auto Detect
6 MHz
-32 to +45 dBmV
-20 to +30 dBmV
-20 to +20 dBmV
12dB
75 Ω
(64 and 256 QAM)
(NTSC Ch. 14-78), VHF (NTSC Ch. 2-13)
(NTSC Ch. 2-135)
General
Dimensions (W x D x H) 1.15 x 7.5 x 3.5 inches (29 x 191 x 89 mm)
Power: 110 VAC/60 Hz or 220 VAC/50 Hz
Power Dissipation: 7 W
Weight: 0.8 lbs (0.36 kg)
Operating Temperature: 32 to 122 °F (0 to 50 °C)
Storage Temperature: -13 to 158 °F (-25 to 70 °C)
Operating Humidity: 0 to 95% RH @ 35 °C max, non-condensing
Storage Humidity: 0 to 95% RH @ 35 °C max, non-condensing
(per MDDA module)
OUTPUT
Connectors:
ASI: 1 x F (equipped with F-to-BNC adapter)
ASI
Standard:
Data Bit Rate:
DVB-ASI; 50083-9
270 Mbps
Alarms/Monitoring/Control
Front-Panel Indicators: RF channel (2-digit LED display)
Front-Panel Control: CH UP/DN push-buttons (increment major or minor channel up/down)
Frequency/channel plan (1-digit LED display)
+100 Channel (Red LED)
SNR (2- & 1-digit LED displays)
Lock LED (solid LED)
No Lock (flashing LED)
RF Mode (2- & 1-digit LED displays)
Baud Rate (2- & 1-digit LED displays)
Firmware revision (2-digit LED display)
Software revision (2- & 1-digit LED displays)
Unit reset (2- & 1-digit LED displays)
ENT push-button (enters or confirms selection)
RF Mode push-button (adjusts RF frequency plans)
Baud Rate push-button (adjusts baud rates)
SNR push-button (measures input signal-to-noise ratio)
QAM/8VSB push&hold-button (toggles between QAM & 8VSB)
RF Mode & Baud Rate simultaneously (unit reset)
PROG (custom mini USB-to-RS232 interface for control)
Specifications Subject To Change Without Notice Rev 0-1 © Toner Cable Equipment, Inc.
969 Horsham Road lHorsham, Pennsylvania 19044 USA l Phone: 215-675-2053 Fax: 215-675-7543 linfo@tonercable.co
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