LD5208 USER MANUAL, REV. 0: NOVEMBER 2005
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11. SERIAL COMMUNICATIONS
LD5208 indicators have a standard serial port RS232C.
More details about the configuration, the use and the communication modes of the serial ports are
listed below
11.1 Serial port – RS232 C
The port is used to connect to serial printers or personal computers. Data output and handshake
requirements are defined by SETUP 2.
TYPE Asynchronous serial ASCII, RS232C standard, full duplex.
PROTOCOL 2400-38400 baud, 1 start, 7 data/even parity or 8 data/no parity, 1 stop bit.
HANDSHAKE DTR BUSY per character for fanfold printers or
REQUEST PAPER END STATUS for EPSON TM-290 slip printer.
CONNECTION DB9 male on rear panel. (J1)
Tx = Pin 3
Rx/DTR = Pin 2
GND = Pin 5
SHIELD = Metal case of D-Type connector
Cable: 3 conductor shielded max distance 15m.
DATA
The data output of serial port 1 is selectable via SETUP 2, and maybe one
of printer output, continuous weight output, alibi transmit or demand
weight output.
SET UP requirement 2.t = 01, 03, 04, 05, 06, 07, 08, 10, 11 Printer output
2.t = 02 Continuous weight output
2.t = 09 Print on demand
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