Grass Valley K2 Media Client System Guide v.3.3 - Manual (Page 39)

June 9, 2009 K2 Media Client System Guide 39
RS-422 ports
RS-422 ports
K2 Media Clients have been manufactured with two types of RS-422 configurations,
as follows:
• Two dual-port adapters, connected to the motherboard via USB cables
• One adapter (with external 8-port interface), connected to motherboard via PCI slot
Refer to the appropriate illustration below.
The Windows COM port assignments to the physical RS-422 connectors are
described in the following illustrations. For information on the relationship between
RS-422 ports and K2 Media Client channels, see
Appendix A, Remote control
protocols. For RS-422 ports that correspond to internal USB hubs, refer to “Enabling
and disabling the USB ports” on page 148 .
NOTE: The designations Port 1, Port 2, Port 3, Port 4 in these illustrations refer to
the labelling of the physical RS-422 connectors. Do not confuse this with other
types of ports.
GPIO !
1-2
3-4
U CH 4
OUT
REF
COMPOSITE LOOP
THRU
RS-422
Port 3
Port 4
SCSI
RS-422
Port 1
Port 2 10Bt
100Bt
1000Bt
GPIO !
1-2
3-4
CH 4
UT
REF
COMPOSITE LOOP
THRU
1
2
3
4
Port 1
Port 2
Port 3
Port 4
(COM 5)
(COM 6)
(COM 3)
(COM 4)
Port 1
(Com 3)
Port 2
(Com 4)
Port 3
(Com 5)
Port 4
(Com 6)