DTV 742 8VSB 4 Channel Multiplexer
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8VSB 4 Channel Multiplexer: Receive, groom and multiplex four (4) off-air 8VSB signals
DTV 742 Product Specification
Product specifications are subject to change without notice.
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RF Inputs
Input Frequency Range 53 to 810 MHz
Symbol Rate Range 10.76 Mbps
Input Data Range 2.5 to 80 Mbps
Input Signal Level -80 to -20 dBm
Input Impedance 75 Ohms, unbalanced
Input VSWR  <3.0:1 in 75-Ohm system
L.O. Leakage at Input <-60 dBm max
DVB-ASI Ouputs
Data Rate 19.39, 26.97, 38.81 and user selectable from 2.5 to 80 Mbps
Serial Ports
Standard RS232, on Female DB-9 Connector
Baud Rates Terminal 115.2 kbps
Formatting 8 data-bits, one start, one stop-bit
half-duplex, pairty none
Ethernet Port
Physical Layer 10BaseT/100BaseT (twisted pair)
on RJ45 jack)
Media Access and Link Layers Terminal 115.2 kbps
Alarm and Warning Relays
Function De-energize for alarm so that power loss is recognized as an alarm
Type Form C
Rating 30VDC open circuit, 100 mAmax current closed
AC Power
Voltage 90-132 or 195-264 VAC
auto-detect/selected
Fequency 50 or 60 Hz +/-2%
Power Consumption <35 Watts
Agency Approvals
UL UL1950 Latest revision
FCC Part 15B Class A
Environment
Operating Temperature 0 to +50C
Storage Temperature -20 tp +70 C