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For installations needing longer runs you may also use an RS-422 configuration, which extends
the maximum length to 1,200 meters (4,000 feet). Note, not all Sony VISCA cameras
support RS-422 communication. When using an RS-422 connection, there are 3 configuration
options, and depending on installation needs, you may connect cameras in a daisy
chain, star or star/daisy chain combination.
The single camera or daisy chain configuration, (option # 811) includes a DB 9-pin RS-232 to
screw terminal RS-422 converter, which plugs into the server in either COM 1 or COM 2.
From the screw terminal you may connect your first camera using the 9-pin connector plug
provided with the camera. From the same connector you may loop communication to the
rest of your cameras. See below for wiring diagram.
Sony Camera Control Option #811/814/818 (RS-422)
422 Serial Cable
Granite Server
Com 1 or Com 2
Sony VISCA RS-422 Daisy
Chain Configuration:
Function
Pin
Function
Pin
Function
RS-422 Pinout to Connector Plug:
BRC-300/BRC-H700 EVI-70
Broadcast Pix Granite 5000 Installation Planning Guide Jan 2011
Page
28
If controlling more than one camera, there is an optional 4 or 8 port Edgeport serial extender
(option #814 or #818) which plugs into a USB port on the server. It provides either 4 or 8 DB 9-pin
RS-422 connectors to accommodate a star configuration or a star/daisy chain configurations. This
method is useful when needing to run long home run to various studios, from which you can then daisy
chain. Depending on your installation needs, this may save in cable runs. See below for the wiring diagram.
Serial Cable using
9-pin connector plug
Pin
Function
3
TXD (A) -
7
TXD (B) +
8
RXD (A) -
4
RXD (B) +
5
GND
TXD (A) -
TXD (B) +
RXD (A) -
RXD (B) +
GND
7
RXD (B) +
6
RXD (A) -
9
TXD (B) +
8
TXD (A) -
5
GND
1
2
3
4
3
RXD (B) +
4
RXD (A) -
1
TXD (B)+
2
TXD (A) -
5
GND
6
7
8
9
DB 9-Pin Serial Cable
Pinout
:
USB A-B Cable
Granite Server
Any USB Port
Sony VISCA RS-422 Edgeport
Configuration:
Edgeport
Pin
Function
7
RXD (B) +
6
RXD (A) -
9
TXD (B) +
8
TXD (A) -
5
GND
Pin
Function
3
RXD (B) +
4
RXD (A) -
1
TXD (B)+
2
TXD (A) -
5
GND
BRC-300/BRC-H700 EVI-70