ES-U-2016-RM EasySync, ES-U-2016-RM Datasheet - Page 27

• Manufacturer Part Number: ES-U-2016-RM
• Description: USB Interface IC USB to 16 Ports RS422/RS485, Metal
• Manufacturer: EasySync

The following diagram shows an RS-422 full-duplex bus with handshaking signals connected. The ES-U-
xxxx-x has built-in resistors for terminating its RxD +/- and CTS +/- inputs, which can be enabled using
jumpers. The TxD +/- and RTS +/- lines which are outputs from the ES-U-xxxx-x are terminated at the
receiver at the other end of the bus as shown. Twisted pair wires are required for each signal pair.
ES-U-xxxx-x
Figure 17
RxD+
TxD+
RTS+
CTS+
RxD-
TxD-
RTS-
CTS-
GND
©2010 - 2011 EasySYNC Ltd.
RS-422 with handshaking signals connected
RS-422 Device
Document Reference No.: ES_000061
RxD+
RxD-
TxD+
TxD-
GND
CTS+
CTS-
RTS+
RTS-
USB to Serial Converters Manual
Clearance No.: ES
Version 1.2
# 35
27