Chapter 11-141.4.2 Interface Specifications 0012-6200a. USB (standard)(1) Interface typeUSB 2.0 Hi-Speed (Full speed (12 Mbits/sec), High speed (480 Mbits/sec))(2) Data transfer systemControl transferBulk transfer(3) Signal levelCompliant with the USB standard.(4) Interface cableTwisted-pair shielded cable, 5.0 m max.Compliant with the USB standard.Wire materials: AWG No.28, data wire pair (AWF: American Wire Gauge)AWG No.20 to No.28, power distribution wire pair(5) Interface connectorPrinter side: Series B receptacle compliant with USB standardCable side: Series B plug compliant with USB standardb. Network (standard)(1) Interface typeInterface compliant with IEEE802.3(2) Data transfer system10Base-T/100Base-TX(3) Signal levelInput: Threshold10Base-T: Max. +585 mV, Min. +300 mV100Base-TX: Turn-on +1000 mV diff pk-pk, Turn-off +200 mV diff pk-pkOutput:10Base-T: +2.2 V to +2.8 V100Base-TX: +0.95 to +1.05 V(4) Interface cableCategory 5 (UTP or FTP) cable, 100 m or shorterCompliant with ANSI/EIA/TIA-568A or ANSI/EIA/TIA-568B(5) Interface connectorPrinter side: Compliant with IEEE802.3, ANSI X3.263, ISO/IEC60603-7c. IEEE1394 (option)(1) Interface typeInterface compliant with IEEE1394-1995, P1394a (Version 2.0)(2) Data transfer systemAsynchronous transfer(3) Signal levelInput:Differential input voltage:During S100 settlement: +173 mV to +260 mVDuring data reception: +142 mV to +260 mVDuring S200 settlement: +171 mV to +262 mVDuring data reception: +132 mV to +260 mVDuring S400 settlement: +168 mV to +265 mVDuring data reception: +118 mV to +260 mVOutput:Differential output voltage: +172 mV to +265 mV(4) Interface cableTwisted-pair shielded cable, 4.5 m max.Compliant with IEEE1394-1995 standard or P1394a (Version 2.0) standard(5) Interface connectorPrinter side: 6-pin connector (socket) compliant with IEEE1394 standardCable side: 6-pin connector (plug) compliant with IEEE1394 standardCable side: RJ-45 type compliant with ANSI/EIA/TIA-568A or ANSI/EIA/TIA-568B