SIERRA VIDEO SYSTEMS
29
Operation
Introduction
The purpose of a routing switcher is to switch any of the inputs (source) to any of the outputs
(destination). Any input can be connected to any or all outputs but each output can only be
connected to a single input. Control remains the most important component of your new system.
The standard local control panel empowers full control of the routing switcher while allowing
external RS-232 control via the serial port.
Control via 9-pin Connectors
The 9-pin connectors allow you to control the routing switcher via an external computer. The
serial ports can be changed internally for RS422 configuration (RS232 is factory default
configuration). To change to RS-422 see the “Installation” section of this manual.
Connections to the 9-pin are shown in the table below. “Transmit” and “Receive” are names used
by the Sierra Video Systems router. For connection to an external PC or other controlling device
use the opposite names.
Chapter
4
Host & Terminal Port
Installation
Pin
RS-232
RS-422
1 Ground Ground
2 Transmit
Transmit
(-)
3 Receive
Receive
(+)
4
Not used
Not used
5
Not used
Not used
6
Not used
Not used
7
Not used
Transmit (+)
8
Not Used
Receive (-)
9 Ground
Ground
