Oki LE850DT LE840/LE850 Users Guide - Page 114
APPENDIX 2 INTERFACE, USB interface Standard, LAN Standard, Available for only Ethernet model
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APPENDIX 2 INTERFACE APPENDIX 2 INTERFACE APPENDIX 2 INTERFACE NOTE: To prevent radiation and reception of electrical noise, the interface cables must meet the following requirements: • In case of a parallel interface cable or serial interface cable, fully shielded and fitted with metal or metallised connector housings. • Keep as short as possible. • Should not be bundled tightly with power cords. • Should not be tied to power line conduits. • A parallel interface cable to be used should conform to IEEE1284. USB interface (Standard) Physical Layer: Transfer type: Transfer rate: Class: Number of ports: Power source: Connector: Conforming to V2.0 Full speed Control transfer, Bulk transfer Full speed (12M bps) Printer class 1 Self power Type B Pin No. 1 2 3 4 Signal VCC DD+ GND Series B Plug LAN (Standard: Available for only Ethernet model) Physical Layer: Number of ports: Connector: LED status: IEEE802.3 10BASE-T/100BASE-TX 1 RJ-45 Link LED, Activity LED LED Link Link LED (Green) Activity LED (Orange) Activity LED Status ON OFF ON OFF LAN status 10Mbps link or 100Mbps link is detected. No link is detected. * Communication cannot be made while the Link LED is off. Communicating Idle LAN cable: Cable length: 10BASE-T: UTP category 3 or category 5 100BASE-TX: UTP category 5 Segment length Max. 100 m NOTE: When a generally-used twisted pair Ethernet (TPE) or UTP cable is used, a communication error may occur depending on your operating environment. In such case, you may be requested to use a shielded twisted pair cable. EA2- 1
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