User Manual

Table Of Contents
Universal Serial Bus (USB) Interface
Figure 16USB -B
1
2
3
4
Wiring - USB Connector B Style for connecting to the printer or device
Pin 1 — Vbus (Not Connected)
Pin 2 — D- (Data Signal, Negative Side)
Pin 3 — D+ (Data Signal, Positive Side)
Pin 4 — Shell (Shield/Drain Wire) Shell
IMPORTANT: USB Host +5 VDC power source is shared with serial port phantom power. It is
limited to 0.5mA per USB Specification and with onboard current limiting. The maximum current
available through the serial port and USB port will not exceed a total of 0.75 Amps.
See Also
usb.org
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