Kramer Electronics VS-81HD - Manual (Page 6)

Overview
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3 Overview
The Kramer VS-81HD is a true 8x1 switcher for standard definition / high
definition SDI signals that lets you switch any one of the eight inputs to two
identical outputs. In particular, the VS-81HD:
• Features selector buttons that automatically light up in different colors—
green, when the VS-81HD detects a ‘standard definition’ signal, or blue,
when it detects a ‘high definition’ signal
• Features reclocking and equalization on each input
• Supports cable equalization and is SMPTE 259M, 292M and DVB-ASI
1
• Supports ANC data (embedded audio, Teletext, time code and so on
compliant
• Has the ability to switch genlocked video signals according to timing of
the GENLOCK reference input. Switching according to the Bi-level or
Tri-level Genlock input according to SMPTE RP-168
2
• Has an OFF button to disconnect the outputs
• Has a front panel lock button
The VS-81HD, which is housed in a 19" 1U rack mountable enclosure, and is fed
from a 100-240 VAC universal switching power supply, can be controlled via the:
• Front panel buttons
• Infra-red remote control transmitter
• Infra-red remote extension cable transmitter, see section
4.1
• Remotely, by RS-232 or RS-485 serial commands transmitted by a touch
screen system, PC, or other serial controller
• ETHERNET
• Remote contact closure for forced operation
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 that may
adversely influence signal quality and position your Kramer VS-81HD
away from moisture, excessive sunlight and dust
4 Your VS-81HD 8x1 HD/SD-SDI Switcher
Figure 1 and Table 1 define the VS-81HD 8x1 HD/SD-SDI Switcher.
1 Digital Video Broadcasting - Asynchronous Serial Interface
2 The sources must be genlocked to the GENLOCK input in order to switch cleanly