A&D TM-2655 - Manual (Page 25)

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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.