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Publication 5404-001-REV-C
Installation
Electrical Connections:
Rear Panel
Inspira provides power entry, RS232 com-
munications, and User I/O (Optional) con-
nections at the rear of the machine. Their
functions are as follows:
User I/O
Not used in this model.
RS232 In
For use with a host computer to establish a
communication connection between the
computer and the Inspira.
1. No connection
2. Transmit Data (TXD)
3. Receive Data (RXD)
4. Data Terminal Ready Input (DTR)1
5. Signal Ground (GND)
6. No Connection
7. Request to Send Input (RTS)2
8. No Connection
9. No Connection
1 Used for Vpp Enable in optional flash programming configuration; disabled in hardware.
2 Used as Serial Reset in optional flash programming configuration; disabled in hardware.
RS232 Out
Used to establish a daisy chain serial connection with other devices. Future models
will support a serial printer connection through this port.
1. No connection
2. Receive Data (RXD)
3. Transmit Data (TXD)
4. No Connection
5. Signal Ground (GND)
6. No Connection
7. No Connection
8. No Connection
9. No Connection
Power Connection
Power in.
Note: Electrical specifications for these signals are given in Appendix A.
Figure 6. RS232 Connector
Figure 5. Rear Panel
