66 HMX6801+B2/C2 and HMX6801+B4/C4 Installation and Operation Manual
Chapter 4: Specifications
Inputs
SDI Video Input
Table 4-1. SDI Video Input Specifications
Item Specification
Number 1
Standard SMPTE 292M and 296M (50, 59.94, and
60 Hz rates) HD-SDI or 259M SD-SDI
over coaxial cable
Connector BNC (IEC169-8)
Impedance 75Ω
Return loss > 18 dB (typical) from 5 MHz to
1485 MHz HD-SDI mode
> 18 dB (typical) to 270 MHz
SD-SDI mode
Equalization Adaptive cable equalization for up to
393 ft (120 m) (typical) of Belden 1694A
coaxial cable in HD mode and up to 753 ft
(230 m) (typical) of Belden 8281 coaxial
cable in SD mode
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