TechNote  48U-004

4800  Series

4800 Series - DataProducts Interfaces
05-30-95 Ed Palmer
Revised 12/5/97 Jerry Babral

Models: 4810, 4840

Summary:
 4800 Series - DataProducts Interfaces

Resolution:
 


* Kit Part Numbers

4810/4840
	DP-SL  DB-50		44A0785G01
	DP-SL  Winchester	44A0786G01
	DP-LL			44A0787G01	requires DP-SL kit

The Short Line (SL) kits consist of the cable assembly only.  The Long Line 
(LL) kit consists of the DP-LL board only, and requires the proper connector 
provided by the appropriate DP-SL kit.

Unlike the 4400 product lines, the 4800 series implementation of the 
Dataproducts interface kit allows for the serial interface connector to remain, 
and hot-port switching is retained.

* Setting Straps.
The printer Hardware Straps are set to the proper defaults when DataProducts 
emulation is selected.

* Prints Garbage After Installation
If high order ASCII characters are printed after installing a DP interface, 
the data line is probably missing Data Bit 8.  A pull-up resistor on the 
interface board will set bit 8 high.  This is typical of many older systems. 
To set bit 8 to zero, set Parallel Interface Strap A8 to OUT.

Specifications subject to change without notice.
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