ADPRO FastTx by Xtralis
Installation and User Manual
Doc 11949_06
45
3.9.1 PTZ Port Setup
The following points are applicable to the PTZ port.
•
Telemetry stations are connected via a 9-pin D connector, marked ‘PTZ’
•
RS485 control links allow cable lengths of up to 1000 metres
•
Up to 20 (identical) telemetry stations can be connected to one ADPRO FastTx
Use the following guidelines when connecting and setting up a telemetry station.
•
The same brand and model of telemetry station must be used at a site if multiple units are to
be used.
•
Set the address of the telemetry station to match the camera input to which the PTZ camera
is connected.
•
Use shielded twisted pair cable for connection to the telemetry stations.
•
Connect the Transmit positive (TXD+ pin#2), Transmit negative (TXD- pin#3) and Ground
terminal (pin#5) of the ADPRO FastTx PTZ connector to the respective positive, negative
and ground terminals of the telemetry station as shown below.
Figure 50: RS485 PTZ Port Connections to a Telemetry Station
•
Make sure the last telemetry station connected to the link is terminated by a 120 ohm
resistor.
•
With reference to the telemetry station manual:
-
connect the pan/tilt head and the zoom lens, focus control and iris control (if
applicable),
-
set the lens voltage, high speed PTZ settings, A/D converter for preset systems,
homing preset after the last operation plus any other settings in the telemetry station,
and
-
make sure the telemetry station data speed is set to the ADPRO recommended or
default baud rate.
Telemetry station manufacturers provide a variety of models and features. ADPRO FastTx
provides PTZ control ability for a number of popular models and where possible, supports the
features provided by the manufacturer. Due to the number of models available on the
commercial market, details of connection and use for individual models have been provided on
the web site.
For information regarding connection and features of specific telemetry station, please
refer to the technical documents section on the website at:
http://www.xtralis.com/adpro
or contact your nearest sales office for a copy.
2 (+)
3 (-)
5
Balanced
Transmit/
Receive
Ground
RS422/485 Port
FastTx
(+)
(-)
Ground
Balanced
Transmit/
Receive
Shield
RS485 ft connection.cdr
PTZ Cameraa Station
PTZ Port