Company Ltd Instruction manual Blood Pressure Monitor TM-2655/TM-2655P

8. COMMUNICATION SPECIFICATIONS

The TM-2655/TM-2655P is equipped with two RS-232C channels. Various settings for each channel are

available in the function setting mode. Refer to “7-2 Description of the Functions” for details.

8-1 Channel 1 : Miniature DIN 8-pin

CAUTION

z The personal computer and medical equipment connected to the device are not allowed to

be in the patient area.

z The personal computer used must conform to IEC60950

Specifications

Table 6 Channel 1 specifications

Standard Conforms to EIA RS-232C

Transmission Asynchronous, half-duplex

Baud rate 1200, 2400, 4800, 9600 bps (Can be changed in the function setting mode “F07”.)

Data bits 8 bits

Parity bit None

Stop bits 1 bit

Code ASCII

Equipment available for connection

Channel 1: Scales, and automatic weight and height scales manufactured by A&D

Channel 2: Personal computer

Pin assignment

Pin No. Signal name Description

1 TXD Send data

2 RXD Receive data

3 RTS Ready to send

4 - Not connected

5 CTS Clear to send

6 GND Signal ground

7 - Not connected

8 - Not connected

Fig.14 Pin assignment

Cable connection between the device and a personal computer

TM-2655/TM-2655P Personal computer

Note

Do not use pins 4, 7, and 8.

They are used by the device.