Nellcor OxiMax N-550, Operator'S Manual

Page: 60 / 104

Using the Data Port
52
Data Port Pinouts
The pinouts for the data port are listed in Table 1.
TxD represents the Transmit Data line, and RxD is the Receive Data
line.
The pin layouts (as viewed from the rear panel of the N - 550) are
illustrated in Figure 5. The conductive shell is connected to earth
ground when connected to a PC or printer.
Table 1: Data Port Pinouts
Pin Signal Name
1 Not connected
2 RxD_232 (RS - 232 input)
3 TxD_232 (RS - 232 output)
4 Not connected
5 Signal Ground (isolated from Earth Ground)
6 Not connected
7 Not connected
8 Not connected
9 Not connected
10 Not connected
11 Not connected
12 Not connected
13 Not connected
14 Not connected
15 Not connected