Sierra Video VS User Manual download pdf (Page 21)

Tahoe Series 16

Sync Input

There are two BNC connectors labeled "SYNC". This is a "looping" input for sync

referencing. Connect either composite sync or video with sync to either BNC. If desired,

use the second BNC to loop the signal to another device. If the loop is not used,

terminate the second BNC with 75 ohms. If no sync is available, the routing switcher will

switch at a random point rather than during the vertical interval of the reference signal.

AC Power Connections

Tahoe series routing switchers offer redundant power supplies but must be specified prior

to order. Voltage selection must be specified prior to order.

Turn on power to the frame ONLY AFTER all video and control connections have been

completed as described below.

Control Processor Dip Switch Settings

In a multi-frame system, only one processor is needed to control the entire router.

The processor module, in a Tahoe series frame, is located in the bottom PC board slot as

shown;

Your switcher has been configured at the factory for the settings you are most likely to

need. However, if you want to configure the switcher differently, you can do so by setting

the switches located on the processor board (behind the front panel). Dip Switches and

their action are given in the table that follows. Dip Switches are shown in their factory

default settings.

Processor Module

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 77 78

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Sierra Video VS User Manual Page 21