Product ManualManual


  • Single card TDM demultiplexer for four DVB-ASI transport streams
  • Adjacent outputs unaffected by loss of any DVB-ASI input feed at the 7780M4-ASI TDM Mux
  • Fully hot-swappable from front of frame
  • Monitor port output is user-selectable from the four ASI outputs
  • Comprehensive signal and card status monitoring via four digit card edge display or remotely through SNMP and VistaLINK®
  • VistaLINK® capable for remote monitoring via SNMP (using VistaLINK® PRO) when installed in 7800FR frame with a 7800FC VistaLINK® Frame Controller
  • Occupies one card slot and can be housed in the 1RU 7801FR frame which holds up to four single or two dual slot modules, the 3RU 7800FR frame which has a 15 slot capacity, the portable 3RU 350FR frame which has a 7 slot capacity, or a standalone enclosure which holds a single module.

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Serial Input
StandardSMPTE ST 259-C compliant TDM stream as provided by companion 7780M4-ASI
Number of Inputs1
ConnectorBNC per IEC 61169-8 Annex A
Signal Level800mV nominal
EqualizationAutomatic to 250m @ 270MB/s with Belden 8281 or equivalent cable
Return Loss> 15dB up to 270MB/s
Serial ASI Outputs
StandardDVB-ASI: DVB TR 101 891-270
Number of Outputs4 independent DVB-ASI
Monitor Output1 output, selectable from outputs 1-4
ConnectorBNC per IEC 61169-8 Annex A
Signal Level800mV nominal
DC Offset0V ±0.5V
Rise And Fall Time900ps nominal
Overshoot< 10% of amplitude
Return Loss> 15dB up to 270MB/s
Wide Band Jitter< 0.2UI
Voltage+12V DC
Power10 watts
EMI/RFIComplies with FCC Part 15, Class A
EU EMC directive
Number of Slots1

Ordering Information

7780D4A-ASIQuad ASI TDM-Demux, VistaLINK® (Companion unit to 7780M4-ASI)
Ordering Options
NotesRear plate must be specified at time of order - eg: [model]+3RU
Rear Plate Suffix
+1RU1RU rear plate for use with 7701FR Multiframe
+SAStandalone Enclosure Rear Plate
+3RU3RU rear plate for use with 350FR, 7700FR-C or 7800FR Multiframes
350FRPortable Multiframe which holds 7 single slot modules
7700FR-C3RU Multiframe which holds 15 single slot modules
7800FR3RU Multiframe which holds 15 single slot modules
7701FR1RU Multiframe which holds 3 single slot modules
S7701FR7700 Series Standalone Enclosure