Data Port Pinouts; Table 1: Data Port Pinouts - Nellcor OXIMAX N-560 Operator's Manual

Using the Data Port

Data Port Pinouts

48
No hardware flow control is used. However, in the ASCII mode, XON/
XOFF flow control is supported.
TXD represents the Transmit Data line, and RXD is the Receive Data
line.
The pinouts for the data port are listed in Table 1.

Table 1: Data Port Pinouts

Pin
1 RXD+ (RS-422 positive input)
2 RXD (RS-232 input)
3 TXD (RS-232 output)
4 TXD+ (RS-422 positive output))
5 Signal Ground (isolated from Earth Ground)
6 NC (No connection)
7 Normally Open (relay closure nurse call, normally open)
8 Normally Closed (relay closure nurse call, normally closed)
9 RXD- (RS-422 negative output)
10 Signal Ground (isolated from earth ground)
11 Nurse Call (RS-232 level output)
12 TXD- (RS-422 negative output)
13 NC
14 NC
15 Nurse Call Common
The pin layouts (as viewed from the rear panel of the N-560) are
illustrated in Figure 3. The conductive shell is connected to earth ground
when connected to a PC or printer.
Signal Name