ES-U-2016-RM EasySync, ES-U-2016-RM Datasheet - Page 28

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

6.3
DB-9 Male connector
The table below shows the RS-485 (half duplex) pinout of the DB-9 male connector.
5-way Terminal Block
The table below shows the RS-485 (half duplex) pinout of the 5 way terminal block (only available on
some models).
6-way Terminal Block
The table below shows the RS-485 (half duplex) pinout of the 6 way terminal block (only available on
some models).
Pin Number
Pin Number
Pin Number
Shield
RS-485 Signal Pin-out (half duplex)
1
2
5
1
2
5
1
2
5
6
Note: Other terminals have no function in this mode and should be left un-connected.
Note: Other terminals have no function in this mode and should be left un-connected.
Note: Other pins have no function in this mode and should be left un-connected.
Table 19
Table 20
Case Ground
Pin Type
Pin Type
Pin Type
Description
Table 18
Out / In
Out / In
Out / In
Out / In
Out / In
Out / In
Ground
Ground
Ground
See
Description
Data– = Transmit / Receive Data, negative polarity
Data+ = Transmit / Receive Data, positive polarity
GND = Signal ground
Drain = typically connected to the host PC case
Description
Data– = Transmit / Receive Data, negative polarity
Data+ = Transmit / Receive Data, positive polarity
GND = Signal ground
Description
Data– = Transmit / Receive Data, negative polarity
Data+ = Transmit / Receive Data, positive polarity
For ES-U-2101-M, pin 5 is GND
For ES-U-3001-M, pin 5 is optional 5VDC output
GND = Signal ground
RS-485 half-duplex pin-out for 5-way terminal block
RS-485 half-duplex pin-out for 6-way terminal block
RS-485 half-duplex pin-out for DB-9 connector
©2010 - 2011 EasySYNC Ltd.
Document Reference No.: ES_000061
USB to Serial Converters Manual
Clearance No.: ES
Version 1.2
# 35
28