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PN: H-ASI-DS3-B Bi-directional ASI to DS3 and DS3 to ASI
DVB ASI is a very common video TS transport stream protocol in the digital video broadcast industry. Many TV studios have DS3 links to the broadcast headend. It is possible to use this link to carry a DVB-ASI stream over the DS3 line at up to 44Mbps.
Often it is necessary to transport these ASI Transport Streams from a studio to a broadcast head end. It is possible to transport the ASI over DS3 connections. The H-ASI-DS3 unit can encode and carry DVB-ASI transport streams over a standard DS3 line. These units are for ASI over DS3 Transport.
These units are for ASI over DS3 Transport in both directions, another words it can send and receive ASI over DS3 lines.
ASI to DS3 and DS3 to ASI conversion is a cost effective solution for DVB signal transport.
It can carry multiple program streams in either MPEG2 or MPEG4 format.
• 19 1RU chassis and front panel parameter selection
• E3/DS3 Complied with ITU-T G.703
• Supporting Framing in accordance with G.832/G.751 (E3) or G804/G.752 (DS3)
• Supporting prevailing Digital TV Headend protocols
• Bi-Directional conversion between MPEG-II TS or H.264 and E3/DS3
• ASI TS - Single program or Muxed programs
• Built-in Clock Recovery
• Supports FEC, RS
• ASI TS Spread/Burst mode Auto Negotiation
• PCR correction and bit stuffing
H-ASI-DS3-B Bi directional ASI over DS3 lines - ( BNC interface - The data rate for DS3 is 44.736 Mbit/s (45 Mb).
H-ASI-E3-B Bi directional ASI over E3 lines - ( BNC interface - The data rate for E3 is 34.368 Mbps (megabits per second).
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Input Interface Characteristics |
DS3 (G.703 Standard -44.736 Mbit/s ) E3 ( 34.368 Mbit/s ) |
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*All Specifiactions Subject to Change Without Notice |
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Connector |
BNC DS3(G. 703 Standard) -BNC E3 - BNC
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Impedance |
75 Ohm |
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TS Packet Format |
188/204 bytes |
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Input Bit Rate |
44.736Mbps(DS3) |
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Encoding |
B3ZS(DS3) |
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ASI (DVB Standard) |
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Connector |
BNC |
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Impedance |
75 Ohm |
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TS Standard |
ISO13818-1 |
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Input Valid Bit Rate |
214Mbps max (per channel) |
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TS Packet Format |
188/204 bytes (automatic identification) |
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TS Input Format |
equality/ packet burst / inequality |
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Output Interface Characteristics |
DS3 (G.703 Standard) |
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Connector |
BNC |
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Impedance |
75 Ohm |
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TS Packet Format |
188/204 bytes |
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Output Bit Rate |
44.736Mbps(DS3) |
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Encoding |
B3ZS (DS3) |
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Transit Distance |
>50m(75-3 coaxial line) |
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ASI (DVB Standard) |
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Connector |
BNC |
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Impedance |
75 Ohm |
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TS Standard |
ISO13818-1 |
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TS Packet Format |
188/204 bytes (RS encoding 204bytes) |
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TS Input Format |
equality |
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