Lenovo NetVista Hardware Maintenance Manual (HMM) for NetVista 2292, 6343, 634 - Page 32

Serial connectors Used to attach an external modem, serial printer, or other devices that use a 9-pin serial connector. Parallel connector Used to attach a parallel printer, parallel scanner, or other devices that use a 25-pin parallel connector. Ethernet connector Used to attach an Ethernet cable for a Local Area Network (LAN). Note: To operate the computer within FCC Class B limits, use a category 5 Ethernet cable. Microphone connector Used to attach a microphone to your computer when you want to record voice or other sounds on the hard disk if you use speech-recognition software. Audio line out connector Used to send audio signals from the computer to external devices, such as powered stereo speakers (speakers with built-in amplifiers), headphones, multimedia keyboards, or the audio line in connector on a stereo system or other external recording device. Audio line in connector Used to receive audio signals from an external audio device, such as a stereo system. When you attach an external audio device, a cable is connected between the audio line out connector of the device and the audio line in connector of the computer. 26 Hardware Maintenance Manual Types 2292, 2273, 6043, 6343, 6349, 6350, 6790, 6791, 6792, 6793, 6794, 6795, 6823, 6825