Sierra Video VS User Manual download pdf (Page 36)

SIERRA VIDEO SYSTEMS

Connection to PC;

PC RTR

2 RX 2 TX

3 TX 3 RX

5 GND 1 , 9 GND

Host Mode

Sequoia series routing switchers have several 9-pin RS-232 connectors that allow you to control

the switcher using a standard personal computer or other external devices (such as Creston or

AMX). Most external controllers use “HOST” protocol commands to switch the router.

Some of the serial connectors are shipped in the “Host” mode but can be changed to the

“Terminal” mode by the following procedure:

 Connect a terminal to the serial port and send the following command:

**HOST0!!

The port now uses the terminal protocol.

 To restore back to the Host port, send the following command:

**HOST1!!

Terminal Mode

The 9-pin connector labeled RS232/422 Control can be used for simple terminal control, (V=T100

emulation capability). The terminal performs the following functions:

 Serves as an overall system controller

 Sets up the personality of the entire system (size, level control, change names,

mapping, etc.)

These setups are stored in non-volatile memory so that a terminal is not required unless it is

necessary to change a setup.

Power Up

Once all signal and control connections have been made, turn on the power switch. AC to the

router is indicated by a illuminated power switch button. If you have power up problems ensure

that the AC fuse on the back of the switcher is seated properly.

On power up, the controller will restore the routing switcher to the last state it was in before the

power was turned off including all configuration settings as well as crosspoint switcher status.

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Sierra Video VS User Manual Page 36