Samsung BCD-1000 user manual Serial pin Connection

BCD-1000 Series

6-2 Serial pin Connection

6-2-1 Host interface connector

The option stand provides the host interface connector (D-SUB 25 pin Female type).

6-2-2 Host interface connector signal assignments

English

Pin	Signal
NO	Name

1FG

2TXD

3RXD

4(*1) RTS

6(*2)	DSR
7	GND

20(*1) DTR

Signal

Direction

-

Output

Input

Output

Input

-

Output

Function

Frame ground

1)When the BDC-1000 is connected when a passthrough connection :Transmit data to the host from the printer

2)When the BDC-1000 is connected as a stand-alone : Transmit data to the host from the DM

Receive data from the host (host → DM)

Same as DTR

Indicates whether the host is ready to receive data. [SPACE] The host is ready to receive data. [MARK] The host is not ready to receive data.

Signal ground

This indicates whether the display is ready to receive data. [SPACE] The display can receive data.

[MARK] The display cannot receive data. [DTR MARK]

DTR goes to MARK under the following conditions :

①The period from when the power is turned on to when the display first becomes ready to receive data.

②When the self-test is executed.

③When the remaining space in the receive buffer becomes 40bytes or less (buffer-full state).

④When [DSR MARK] is on, if the printer is selected

by a peripheral device command. [DTR SPACE]

DTR goes to SPACE under the following conditions :

①When the display first becomes ready to receive data after power-on.

②When the self-test has ended.

③when the remaining space in the receive buffer becomes 50bytes or more after it became 40bytes or less once.

※NOTES

(*1) Make sure to use either one of the RTS or the DTR terminal. Otherwise, the built-in RS-232 driver IC may be broken.

Rev. 1.00 - 18 -