Kramer Electronics VM-20HD - Manual (Page 5)

Overview
3
3 Overview
The VM-20HD Dual 1:10 HD/SD - SDI Distribution Amplifier is a high
performance dual channel distribution amplifier for SDI (SMPTE 259M and
SMPTE 344M) and HD-SDI (SMPTE 292M) signals. It will take one input
per channel, provide reclocking and equalization and distribute each signal to
10 outputs, using BNC connectors.
In particular, the
VM-20HD:
Can be configured as a 1:20 DA
Has an active loop BNC connector on each channel, for cascading
additional units
Has a video bandwidth of 1.485Gbps that allows it to be used for standard
definition and high definition serial digital video signals (SD/HD-SDI)
Is SMPTE 259M, 292M and 344M compliant
Supports data rates of 270, 1483.5, and 1485Mbps
Provides automatic, multi-rate, equalization and reclocking for losses
typical with long runs of 75 co-axial cable
Has HD and SD output indication LEDs for each channel
To achieve the best performance:
Connect only good quality connection cables, thus avoiding
interference, deterioration in signal quality due to poor matching,
and elevated noise- levels (often associated with low quality cables)
Avoid interference from neighboring electrical appliances and position
your Kramer VM-20HD away from moisture, excessive sunlight and dust
4 Your VM-20HD Dual 1:10 HD/SD - SDI Distribution Amplifier
Figure 1 and Table 1 define the VM-20HD Dual 1:10 HD/SD - SDI
Distribution Amplifier: