44015503TH  Rev. 1 
14 /
Oki  Data  CONFIDENTIAL
1. CONFIGURATION
1.5  Interface specifications 
1.5.1  USB interface specifications 
1.5.1.1  USB interface overview
(1)  Basic specifications
  USB (Hi-Speed USB supported)
(2)  Transmission mode 
  Full speed (Max. 12 Mbps ± 0.25%) 
  High speed (Max. 480 Mbps ± 0.05%) 
(3)  Power control
  Self-powered device
1.5.1.2  USB interface connectors and cables 
(1)  Connector
•  Printer side:  B-receptacle (female)
Upstream port
Product equivalent to UBR24-4K5C00 (Made by ACON)
Connector pin arrangement 
(
2)  Cables 
Length:  USB 2.0 cables no more than five meters long (two meters or less 
recommended) 
 
  (Shielded USB 2.0 cables shall be used.)
1.5.1.3  USB interface signals
Signal name Function 
1 Vbus Power (+5V)
2 D- For data transfer
3 D+ For data transfer
4 GND Signal ground 
Shell Shield
•  Cable side:  B-plug (male)