USB2-H-9004-M EasySync, USB2-H-9004-M Datasheet - Page 12

• Manufacturer Part Number: USB2-H-9004-M
• Description: USB Interface IC Hi-speed USB to 4prt Srl RS232/RS485 adpt
• Manufacturer: EasySync

Specifications of USB2-H-9004-M

• Rohs: yes

Table 2.2 –Jumper Selection of USB2-H-9004-M
3
4
JP10
JP11
JP12
JP13
JP4
JP5
USB2-H-9004-M Hi-Speed USB to 4-Port RS232/RS485 Adapter Data Sheet
not connected
not connected
not connected
not connected
not connected
not connected
connected
(default)
connected
(default)
connected
(default)
connected
(default)
connected
(default)
connected
(default)
©2010 EasySync Ltd.
Connects the +5V output onto the channel 3 output
pin if the +5V has been enabled. Requires position 4
of SW3 closed.
Disconnects the +5V output onto the channel 3
output pin if the +5V has been enabled.
750Ω pull-up bias resistor on channel 3 RS485 Data
+ is connected in circuit
750Ω pull-up bias resistor on channel 3 RS485 Data
+ is NOT connected in circuit
750Ω pull-down bias resistor on channel 3 RS485
Data - is connected in circuit
750Ω pull-down bias resistor on channel 3 RS485
Data - is NOT connected in circuit
Connects the +5V output onto the channel 4 output
pin if the +5V has been enabled. Requires Position 4
of SW4 closed.
Disconnects the +5V output onto the channel 4
output pin if the +5V has been enabled.
750Ω pull-up bias resistor on channel 4 RS485 Data
+ is connected in circuit
750Ω pull-up bias resistor on channel 4 RS485 Data
+ is NOT connected in circuit
750Ω pull-down bias resistor on channel 4 RS485
Data - is connected in circuit
750Ω pull-down bias resistor on channel 4 RS485
Data - is NOT connected in circuit
Document Reference No.: ES_000047
Clearance No.: ES
Version 1.0
#34
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