10BASE-T/100BASE-TX Ethernet Interface Software specifications Basic communication protocols IP, ARP, ICMP, UDP, TCP: Basic communications protocols for various functions (used by higher-level protocols below) Printing communications protocols LP, LPR: Transfers printing data. TCP socket port: Transfers printing data and printer status with direct socket communications (bi-directional). Protocol for obtaining status and setting HTTP: Displays module status and makes setting with the Web browser. SNMP: Obtains status and/or sets module or printer with the dedicated/commercial MIB tool. ENPC: Obtains status and/or sets the interface unit and printer. TFTP: Updates the interface unit firmware.
Automatic IP Address Assignment Protocols Automatic IP addressing is executed in order shown in the table below. If DHCP is disabled or IP addressing for DHCP fails, then IP addressing for the next protocols is executed. If APIPA is disabled or IP address cannot be obtained, the internal setting parameters are used. 66 Protocol Order Application DHCP 1 Obtains IP address. APIPA 2 Assigns IP address. Manual setting 3 Uses the internal parameters.