Unitech MP200 Especificaciones descargar pdf (Pagina 23)

Switch # Function Switch Switch Switch NOTES:

1, 2, 3, 6 Communication

Interface

SW1 SW2 SW3 SW6

RS232 OFF OFF OFF Also set 4&5

IrDA and RS232 ON OFF OFF 9600 baud

IrDA ONLY ON ON OFF Also set 4&5

IR Direct Mode ON ON OFF ON 9600 baud

802.11b and RS232 OFF OFF ON Also set 4&5

802.11b ONLY OFF ON ON Also set 4&5

BT and RS232 OFF OFF ON Also set 4&5

BT ONLY OFF ON ON Also set 4&5

4 & 5 Comm. 1 Baud Rate SW4 SW5 Serial RS232 Rate

38,400 Off Off BT & 802

19,200 Off On

9,600 On Off

2,400 On On

4 & 5 Comm. 2 Baud Rate SW4 SW5 IrDA Rate

9,600 On Fixed

9,600 t0 38400 Baud Off Variable

6 Parity Enabled ON

Parity Disabled OFF

7 Parity Enabled ON

Parity Disabled OFF

8 Auto Power Save SW8 Manual ON/OFF

Power save disabled OFF Auto Power Down

Power save enabled ON

Table C.0 - Dip Switches and their functions

Note: The MP300 printer also supports direct IR printing. For direct IR to work you

need Dip switches 1 and 6 in the ON position and all other Dip switches need to be

OFF.

Please note that if Dip Switch # 1 is OFF then the function of Dip Switch # 6 is as

described in the table above. If Dip Switch # 1 is ON then Dip Switch # 6 being ON or

OFF determines whether we are in Direct IR or regular IrDA mode.

C.1.0 Serial Communication Rate and Parity

The RS232C Interface signals for the MP300 Series printers are terminated on a 6

PIN RJ type data connector located on the side of the printer. Six connections are

provided from the Serial Interface to the host computer. A minimum of two connections

is required for operation, RXD – pin 3 and Common – pin 1.The proper baud rate

and protocol settings are required to communicate with the host device. The printer

defaults to 19200 BAUD, 8 DATA BITS, NO PARITY BIT, and one STOP BIT on initial

power up. Two communication handshaking protocols are supported by the MP300,

Serial Busy protocol and XON/XOFF protocols.

C.1.1 Serial Busy Protocol

For the serial busy handshaking mode, request to send printer input (RTS) and clear

to send printer output (CTS) are used to control data ow to and from the printer.

The RTS and CTS are considered to be valid or active when the signal level is positive

(3 to 12VDC). A positive RTS signal from the host device enables the printer. The RTS

signal is monitored during data transmission from the printer to the host device, the

printer transmits data to the host device only if RTS input is high. The printer raises

CTS output when it is ready to accept data. The printer lowers CTS line when the

print buffer has less than 256 unused locations.

C.1.2 XON/XOFF PROTOCOL

For the XON/XOFF handshaking mode, the printer transmits XON (0x11) when it is

ready to accept data, and XOFF (0x13) for the print buffer has less than 256 unused

locations. Under XON/XOFF protocol, the data ow out of the printer’s serial port is

halted on receipt of XOFF from Host device and resumed on receipt of XON.

C.1.3 RS232C CONNECTIONS

The RS232C Interface signals for the Unitech MP300 are terminated on a 6 PIN RJ25

type data connector located at the back of the printer.

Six connections are provided from the Serial Interface to the host computer. The table

below lists the Serial Interface signals and pinouts on the RJ25 connector while pin

locations are shown in Figure 2.

A minimum of two signal connections are required for operation, RXD - pin3 and

Common - pin1.

1 2 ... 18 19 20 21 22 23 24 25 26

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Unitech MP200 Especificaciones Pagina 23

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