1 port 10/100Mbps AJ-45 port ,2 usb 1.1 port 10/100M +1 parallel port 

2 USB+1 Parallel Print Server

•Complies with IEEE 802.3 and 802.3u
•2 USB 2.0 (high speed)-compliant port, 1 port parallel 1 Fast Ethernet RJ-45 Port (10/100Mbps auto sensing)
•Supports DHCP (client)
•Supports E-mail Alert
•Supports Internet Printing Protocol (IPP) and SMB
•Supports print job log
•Supports bi-directional function
•Supports telnet, PSAdmin, SNMP, Web, HP Web JetAdmin / HP JetAdmin management
•Supports POST (Power On Self Test)
•Supports firmware upgrade