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1
ON
234
J1
J4
J6
SW12
SCP 226 Rotated Rear Panel
To
Computer or
Control System
RS-232 Port
9-pin HD
Connector
Ground
Receive
Transmit
Tx
3
Transmit (Tx)
Receive (Rx)
2
Ground (G)
5
Rx
G
Figure 7. Connecting a Host to the SCP 226
2. Plug the 3-pole connector into the RS-232 port on the SCP
rear panel.
NOTES: • DIP switch #1 must be set to On (up) for the
SCP to be able to communicate with the
computer or terminal emulator.
• Do not connect anything to this port if an MLC or a
System 5 IP is connected to the SCP.
SCP 104 and SCP 226 • Installation and Operation
11