User Manual

Table Of Contents
275
Interface Connector Wiring
Universal Serial Bus (USB) Interface
The figure below displays the cable wiring required to use the printer’s USB two interfaces.
Important When using third party cables, the printer requires USB cables or the cable packaging that bears the
“Certified USB ” mark to guarantee USB 2.0 compliance.
Wiring - USB Connector “A” Style for “connecting to” the printer or device
Pin 1 — Vbus (+5VDC). (Pin 2 — D- (Data Signal, Negative Side)
Pin 3 — D+ (Data Signal, Positive Side)
Pin 4 — Shell (Shield/Drain Wire) Shell
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
ImportantUSB Host +5 VDC power source is shared with serial port phantom power. It is limited to 0.5mA per USB
Specification and with on-board current limiting. The maximum current available through the serial port and USB port
will not exceed a total of 0.75 Amps.
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http://www.usb.org
A
B