Specifications - Oki B820n User Manual

Appendix

Specifications

Network interface specifications
„
Basic specifications
Network protocol
TCP/IP - related
NetWare - related
EtherTalk - related
NetBEUI - related
Connectors
100 BASE - TX / 10 BASE - T (Automatic toggle, cannot be used
simultaneously)
Cable
Non - shield twisted pair cable with RJ - 45 connector (Category 5 recommend-
ed)
Connector pin arrangement
1 8
Interface signal
Pin Signal
No. name
1 TXD+
2 TXD -
3 RXD+
4 −
5 −
6 RXD -
7 −
8 −
204
Direction Function
FROM PRINTER Data being sent+
FROM PRINTER Data being sent -
TO PRINTER Data being received+
− Not being used.
− Not being used.
TO PRINTER Data being received -
− Not being used.
− Not being used.
USB interface specifications
„
Basic specifications
USB (Supports Hi - Speed USB)
Connectors
Printer side B receptacle (female) upstream port
Cable side B plug (Male)
Cable
A 5m or lower USB2.0 specification cable (2m or lower is recom-
mended)
(Please use a shielded cable.)
Transmission mode
Full speed (Maximum 12 Mbps ±0.25%)
High speed (Maximum 480Mbps ±0.05%)
Power control
Self - powered device
Connector pin arrangement
2 1
3 4
Interface signal
Signal Function
name
1 Vbus Power (+5V)
2 D - For data transfer
3 D+ For data transfer
4 GND Signal grand
Shell Shield