HP Visualize J5000 hp Visualize J5000, J7000 workstations owner's guide (a4978 - Page 27

Table 1-2 System Overview System Unit Rear Panel Connectors A summary of the computer audio electrical specifications follows. Audio Electrical Specifications Frequency Response Input Sensitivity/Impedance: Line in Microphone Max Output Level/Impedance Line out Headphone Speaker (internal) Output Impedance Line out Headphone 25Hz to 20kHz 2.0Vpk/47Kohm 22mVpk/1Kohm 2.8Vpp/47Kohm 2.75Vpp/50ohm 5.88Vpp/48ohm 619ohm 118ohm Keyboard Connectors The two USB connectors provide an interface for the keyboard and mouse to the system (either connector can be used for either device). Consult the documentation that accompanies each input device for specific information concerning its use. Note that older non-USB keyboards (PS-2 and HP-HIL keyboards) cannot be used with the J5000 and J7000. HP Parallel I/O Connector The 25-pin HP Parallel I/O interface uses Centronics interface protocols to support peripheral devices such as printers and plotters. Consult the documentation that accompanies each peripheral device for specific information concerning its use. 802.3 Network Connectors Your computer has built-in TP (Twisted Pair) connectors for the 802.3 (ethernet) or 100 BaseT network. Connections to ThinLAN networks require an external transceiver. Your computer will automatically select the correct network setting. Chapter 1 27