
42
Kayak HD — Installation Planning Guide
Section 4 — Options
Pin Assignments
RS 422/485 Port
There are 8 RS485 ports that can be used for Machine Control of various
devices, or for switcher control by an external controller.
RS 232 Port
There is an RS232 serial port, a keyboard port, and a VGA video output
located on front of the Controller Board. These ports are used for diagnos-
tics. If you need to use these ports to diagnose problems with the Kayak HD
switcher, please contact your Grass Valley Customer Service Representa-
tive.
Table 10.
Socket
Pin
Bus Controller
Tributary
1
Chassis Ground
Chassis Ground
2
RxA (-)
TxA (-)
3
TxB (+)
RxB (+)
4
Signal Ground
Signal Ground
5
Not used
Not used
6
Signal Ground
Signal Ground
7
RxB (+)
TxB (+)
8
TxA (-)
RxA (-)
9
Chassis Ground
Chassis Ground
Table 11.
Socket
Pin
Signal
1
Chassis Ground
2
Transmit Data
3
Receive Data
4
Not used
5
Signal Ground
6
Not used
7
Clear to Send
8
Request to Send
9
Not used
Pi
n
1
Pi
n
5
Pi
n
6
Pi
n
9
D-9 Female
Pi
n
1
Pi
n
5
Pi
n
6
Pi
n
9
D-9 Female