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3
4
1
1.5 Interface Specification
1.5.1 USB Interface Specification
1.5.1.1 Outline of USB Interface
(1) Basic Specification
USB
(2) Transmission Mode
Hi speed (40Mbps±0.05% max.)
(3) Power Control
Self power device
1.5.1.2 USB Interface Connector and Cable
(1) Connector
• Printer side: B receptacle
Upstream port
Equivalent of UBR24-4K5C00 (made by ACON)
Connector pin arrangement
• Cable side: B plug (off)
(2) Cable
Cable length: Specification Cable of USB2.0 spec. of less than 5m.(less than 2m is
recommended)
(Shielded cable is used here.)
1.5.1.3 UBS Interface Signal
Name of Single
Function
1
Vbus
Power Supply (+5V)(red)
2
D -
Data transmission (white)
3
D +
Data transmission (green)
4
GND
Single ground (black)
Shell
Shield
14
Service Manual
Y108500-4