TI 855 Printer Parallel Interface Cable		P/N 2223106-0001
---------------------------------------		----------------

P1	Signature	P2	Signature	Function
--	--------------	--	--------------	--------------------------------
 1	*DATA STROBE	 1			Sample data at leading edge

 2	DATA 1		 2			Input data LS bit
 3	DATA 2		 3			Input data
 4	DATA 3		 4			Input data
 5	DATA 4		 5			Input data
 6	DATA 5		 6			Input data
 7	DATA 6		 7			Input data
 8	DATA 7		 8			Input data
 9	DATA 8		 9			Input data MS bit

10	*ACKNOWLEDGE	10			Character received
11	BUSY		11			Device busy - cannot receive
12	PE		12	PAGE END	Paper-out error
13	SELECT		13	ONLINE		Printer on-line
14	*AUTO FEED	14			Automatic line feed
32	*FAULT		15			Fault
31	*INIT		16			Initialize printer
36	*SELECTION	17	*SELECT IN	Select printer for reception

33	GROUND		18			Ground
19	GROUND		19			Signal return
21	GROUND		20			Signal return
23	GROUND		21			Signal return
21	GROUND		22			Signal return
21	GROUND		23			Signal return
21	GROUND		24			Signal return
21	GROUND		25			Signal return

* = Active LOW

P1 is a 36 pin Cinch male connector that goes to the printer.

P2 is a 25 pin DB-25P male connector that goes to the cpu.

TI 855 Printer Serial Interface Connector	P/N 2222477-0001
-----------------------------------------	----------------

P1	Signature	P2	Signature	Function
--	--------------	--	--------------	--------------------------------
17	CHASSIS GND	 1	FG		Chassis ground

16	RXD		 2	XMTD		Serial data from host to printer
35	TXD		 3	RXD		Serial data from printer to host

19	SIGNAL GND	 7	SG		Signal return

15	READY/BUSY	11	BUSY		Busy when LOW - Jumper to P2-19
			19	BUSY		Busy when LOW - Jumper to P2-11

nc			 4	RTS		Jumper to pin P2-5
nc			 5	CTS		Jumper to pin P2-4

nc			 6	DSR		Jumper to P2-8 and P2-20
nc			 8	DCD		Jumper to P2-6 and P2-20
nc			20	DTR		Jumper to P2-6 and P2-8

nc = not connected.

P1 is a 36 pin Cinch male connector that goes to the printer.

P2 is a 25 pin DB-25P male connector that goes to the cpu.