Zebra Technologies GX420t 사용자 설명서

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Printer Options
KDU — Printer Accessory
62
980612-001 Rev. A
GX420t / GX430t User Guide
12/14/07
KDU — Printer Accessory
The KDU (key board display unit) is a small terminal unit that interfaces with the printer for 
accessing EPL label forms stored in the printer. 
The KDU is strictly  a terminal and does not have the capability  to store data or set up 
parameters. The KDU is used for the following functions:
List label forms stored in printer
Retrieve label forms stored in printer
Input variable data
Printing labels
The KDU was designed for Zebra EPL printers. The EPL printer’s serial port was configured 
for DCE (data communication equipment) communications configuration. The G-Series 
printer has a DTE (data terminal equipment) serial port configuration. Because of the KDU 
and G-Series have different wiring configurations, a KDU serial port adapter is needed to 
properly  supply power to the KDU and enable communications between them.