Configuring Camera Controls
Last Updated: August 17, 2009
The Cisco Analog Video Gateway module has two RS-485 half-duplex interfaces that can be used to connect pan-tilt-zoom (PTZ) cameras. Security personnel can log in to the network module to reposition or otherwise control the PTZ cameras connected to the RS-485 interfaces.
The RS-485 application supports only the pass-through mode. The RS485 application does not sense the received PTZ encoded data; it simply sends the received data, unchanged, to the specified serial port.
Whenever possible, configuration and management of the Cisco Analog Video Gateway module should be configured using the Video Surveillance Operations Manager (VSOM) graphical user interface.
Restrictions
One control device is on one RS-485 port, and the PTZ cameras are on the other RS-485 port. Local PTZ control sessions within two RS-485 ports are not supported.
Only remote PTZ control requests and responses are supported.
The network video recorder (NVR) can send multiple PTZ requests at the same time, but the RS-485 application processes them one at a time.
SUMMARY STEPS
1. configure terminal
2. rs485-port portnum
3. [baudrate | databits | default | description | parity | stopbits | state | termination-state]
4. end
5. exit
6. show rs485-port portnum
or
show rs485-port summary
DETAILED STEPS
|
|
|
Step 1 |
configure terminal
Router# configure terminal |
Enters global configuration mode. |
Step 2 |
rs485-port portnum
VSE-Module(config)> rs485-port 0 VSE-Module(config-rs485-port)> |
Enters RS-485 port configuration mode. |
Step 3 |
[baudrate | databits | default | description | parity | stopbits | state | termination-state]
VSE-Module(config)> rs485-port 0 VSE-Module(config-rs485-port)> baudrate 9600 VSE-Module(config-rs485-port)> databits 8 VSE-Module(config-rs485-port)> description "rs485 port 0 config" VSE-Module(config-rs485-port)> parity even VSE-Module(config-rs485-port)> stopbits 1 VSE-Module(config-rs485-port)> state enabled VSE-Module(config-rs485-port)> termination-state connected VSE-Module(config-rs485-port)> end VSE-Module(config)> exit VSE-Module)> |
Configures profile parameters for an RS-485 port. baudrate—RS-485 baud rate. Integer value: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200. Default: 9600. datbits—RS485 data bits. Integer value: 5, 6, 7, 8. Default: 8. default—RS-485 port default settings. description—RS-485 port text description in quotes. Up to 80 text characters allowed. parity—RS-485 parity: even, mark, none, odd, space. Default: none. stopbits—RS-485 stop bits. String value: 1, 1.5, 2 (use 1.5 for data bit 5; use 2 for data bits 6, 7, 8). Default: 1. state—Operational state of the RS-485 port: enabled or disabled. Default: enabled. termination-state—RS-485 termination resistor state: •connection—Termination resistor state in connected state. •open—Termination resistor state in open state. Default: open. |
Step 4 |
end
VSE-Module(config-rs485-profile)> end |
Exits the RS-485 port configuration mode. |
Step 5 |
exit
VSE-Module(config)> exit |
Exits global configuration mode. |
Step 6 |
show rs485-port portnum or show rs485-port summary
VSE-Module(config)> show rs485-port 0 |
Displays the RS-485 configuration parameters for a specified RS-485 port or a summary of all configured RS-485 ports. |
Examples
The following example shows the configuration parameters for the specified RS-485 port 0:
VSE-module> show rs485-port 0
description "serial port 0 config"
termination-state connected
The following example shows the configuration summary of all configured RS-485 ports:
VSE-module> show rs485-port summary
port state baudrate databits stopbits parity termState
=================================================================
0 ena 9600 8 1 even connected