Jiaye General Merchandise Co BTP-M280 Interface Signal, USB interface, Parallel interface

BTP-M280 User’s Manual

6 Interface Signal

The BTP-M280 can be connected with other devices via USB, parallel, serial, Ethernet and WLAN interface, USB interface is a fixed interface of the printer and other interfaces are optional.

6.1 USB interface

The printer USB interface supports USB1.1 protocol, of which the outlet is USB A type. Interface signal is defined as below:

Pin	Lead
1	VCC
2	DATA-
3	DADA+
4	GND

6.2 Parallel interface

The parallel interface of printer is bi-directional and supports the BUSY/ACK handshake protocol and the nibble protocol. The interface outlet is 36PIN CENTRONICS.

Pin	Signal resource	Signal definition	Pin	Signal resource	Signal definition
1	H	nStrobe	19		Signal Ground
2	H	Data 0 (Least Significant Bit)	20		Signal Ground
3	H	Data 1	21		Signal Ground
4	H	Data 2	22		Signal Ground
5	H	Data 3	23		Signal Ground
6	H	Data 4	24		Signal Ground
7	H	Data 5	25		Signal Ground
8	H	Data 6	26		Signal Ground
9	H	Data 7 (Most Significant Bit)	27		Signal Ground
10	P	Ack	28		Signal Ground
11	P	Busy	29		Signal Ground
12	P	PError	30		Signal Ground
13	P	Select	31	H	nInit
14	H	nAutoLF	32	P	nFault
15		Not defined	33		Signal Ground
16		Logic Gnd	34		Not defined
17		Chassis Gnd	35		Not defined
18	P	Peripheral Logic High	36	H	nSelectIn

Caution：

—H means signal source from a host, and P means signal source from printer.

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