Document Reference No.: ES_000005
USB2-F-7x01 Full-Speed USB to 1-Port CANbus Adapter User Guide
Version 1.3
Clearance No.: ES#02
©2008 - 2010 EasySYNC Ltd.
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3
Connections
3.1
External Connectors
3.1.1
USB
The USB-F-7x01 is a downstream USB 2.0 Device. A standard USB Series “B” receptacle is mounted
inside the USB-F-7x01 to facilitate connection to an upstream USB Host or Hub.
Pin Number
Pin Type
Description
1
Power
VBUS – USB Power provided from upstream USB Host or Hub
2
Bidirectional
D– = USB data signal, negative polarity
3
Bidirectional
D+ = USB data signal, positive polarity
4
Ground
GND = USB signal ground
Shield
Case Ground
Drain = typically connected to the host PC case
Table 3.1 – USB “B” Receptacle Pin-Out
3.1.2
CANbus
The CANbus port conforms to the CiA DS102-2 pin-out through a 9-contact D-Sub Pin connector. Pin
assignments are noted below:
Pin Number
Pin Type
Description
1
n/a
Not Connected
2
Bidirectional
CAN_L – CANbus low-side signal of differential pair
3
Ground
Signal Ground
4
n/a
Not Connected
5
n/a
Not Connected
6
Ground
Signal Ground
7
Bidirectional
CAN_H – CANbus high-side signal of differential pair
8
n/a
Not Connected
9
n/a
Not Connected
Shield
Case Ground
Drain = typically connected to the host PC case
Table 3.2 – DE-9P DS102-2 CANbus Pin-Out