USB2-H-6004 EasySync, USB2-H-6004 Datasheet - Page 15

• Manufacturer Part Number: USB2-H-6004
• Description: USB Interface IC Hi-speed USB to 4prt Serial RS422 Adapter
• Manufacturer: EasySync

Specifications of USB2-H-6004

• Rohs: yes

3
3.1.1 USB
The USB-H-6004 is a downstream USB 2.0 Device. A standard USB Series “Mini B” receptacle is mounted
inside the USB-H-6004 to facilitate connection to an upstream USB Host or Hub.
Table 3.1 – USB "Mini B" Receptacle Pin-Out
3.1.2 RS422
The four RS422 ports are configured as Data Terminal Equipment (DTE), with a 9-contact D-Sub Pin
connector. Pin assignments are according to TIA/EIA-422.
Table 3.2 – DE-9P RS422 Pin-Out
3.1
Pin Number
Pin Number
Connections
Shield
Shield
External Connectors
1
2
3
4
5
1
2
3
4
5
6
7
8
9
Case Ground
Bidirectional
Bidirectional
Pin Type
Case Ground
Pin Type
Ground
Power
Ground
Output
Output
Output
Output
ID
Input
Input
Input
Input
Description
VBUS – USB Power provided from upstream USB Host or Hub
D– = USB data signal, negative polarity
D+ = USB data signal, positive polarity
No connected
GND = USB signal ground
Drain = typically connected to the host PC case
Description
TXD- = Transmit Data, negative polarity
TXD+ = Transmit Data, positive polarity
RXD+ = Receive Data, positive polarity
RXD- = Receive Data, negative polarity
GND = signal ground
RTS- = Request To Send, negative polarity
RTS+ = Request To Send, positive polarity
CTS+ = Clear To Send, positive polarity
CTS- = Clear To Send, negative polarity
Drain = typically connected to the host PC case
USB2-H-6004 Hi-Speed USB to 4-Port RS422 Adapter Data Sheet
©2010 EasySync Ltd.
Document Reference No.: ES_000030
Clearance No.: ES
Version 1.01
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