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SW4 3G HD-SDI • Installation and Operation
2-5
N W
hen the input rate is recognized as 270 Mbps,
1.485 Gpbs, or 2.97 Gbps, the output is re-clocked to the
recognized rate.
N
Outputs 1 and 2 simultaneously output identical signals.
d
RS-232 connector — Connect a cable with a 3.5 mm, 3-pole
captive screw connector to this port for bidirectional RS-232
communication. Wire the connectors as shown in the following
gure.
Switcher
Receive
Transmit
Ground
RS-232
Tx Rx
DB9 connector (female)
pinout to control equipment
Computer
51
96
Pin RS-232 Function
1—
2RX Receive data (+)
3TXTransmit data (–)
4—
5 Gnd Signal ground
6—
7—
8—
9—
RS-232 connector wiring
This port has the following RS-232 protocol:
• 9600 baud
• 1 stop bit
• No parity
• 8 data bits
See chapter 3, “Serial Communication,” for Simple Instruction
Set (SIS) commands to communicate with the switcher via
RS-232.