Harvard Inspira Advanced Safety Ventilator User`s Manual

10

Installation

Electrical Connections:

Rear Panel

Inspira provides power entry, RS232 communications, and User I/O (Optional) connections 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

Figure 5. Rear Panel

7. Request to Send Input (RTS)2

8. No Connection

Figure 6. RS232 Connector

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.

Publication 5404-001-REV-C