Double Serial Interface Board - Intermec EasyCoder PX4i Service Manual

Chapter 16 — Interfaces
16.7 Double Serial Interface Board (Fingerprint only)
Description
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The Double Serial Interface Board (DUART) is a Fingerprint-only
optional device for EasyCoder PX4i and PX6i printers. It provides these
printers with two extra serial interfaces.
"uart2:", "uart3:", or "uart4:"
This interface (marked "UART A" on the interface board) can be fi tted
with straps and circuits for one of the following alternatives:
• RS-232 non-isolated
• RS-422 isolated, full duplex
• RS-485 isolated, half duplex ("uart2:" only)
"uart3:", "uart4;", or "uart5:"
This interface (marked "UART B" on the interface board) can be fi tted
with straps and circuits for one of the following alternatives:
• RS-232 non-isolated
• RS-422 non isolated, full duplex
• 20 mA Current Loop.
The Double Serial Interface Kit contains:
• One interface board fi tted for RS-232 on both ports.
• Two fl at cables
• One hexagonal spacer
• One Installation Instruction booklet
Circuits for modifying the board for RS-422 non-isolated, RS-422 iso-
lated, RS-485 isolated, or 20 mA current loop can be bought separately
from Intermec.
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"uart3:"
(DB-9pin socket)
"uart2:"
(DB-9pin socket)
EasyCoder PX4i and PX6i Service Manual