Integrator's Reference Manual for the VSX Series
2 - 2 www.polycom.com/videodocumentation
The RS-232 port on the VSX system supports two modes: Control and Pass-Thru.
In Control Mode, a device (for example, a PC) connected to the RS-232 port can
control the system using the Remote Control API.
In Pass-Thru Mode, the operational modes of both endpoints’ RS-232 ports depend
on the port configuration of each endpoint.
Starting an API Session via an RS-232 Interface
After you have verified that the VSX system and your computer are both
configured appropriately, set up both devices as follows:
1. Power off the computer and the VSX system.
2. Use an RS-232 cable to connect the computer’s RS-232 port to the VSX 7000’s
RS-232 port or the VSX 8000’s RS-232 port 1 or port 2.
3. Power on the computer and the VSX system.
4. From the computer, start a serial session using HyperTerminal or another
appropriate utility.
Using the API with a LAN Connection
If you have a PC connected to the LAN, you can use the API via Telnet port 24.
1. On the PC, open a command line interface.
2. Start a Telnet session using the VSX system’s IP address and port 24 — for
example,
telnet 255.255.255.255 24.
VCR/DVD
IR
3
1
2
VGA
IOIOIO
PC CARD
90-250VAC 50/60Hz 4A
LAN
1
2
1
VGA
2
RS-232 ports
0101
2
VGA
LAN
2
1
3
VSX 7000
RS-232 port
VSX 8000
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