LCT-300 LCT-400 Features Hand-held and easy to operate. Easy to read LCD display, with back light. Easy to read cable status and verify cable continuity; View and Download Megatel LCT-300 user manual online. LAN Cable Tester. LCT-300 cable tester pdf manual download. Also for: Lct-400.LAN Cable Tester Cable Tester LCT-300/ LCT-400 LCT-400 LAN Cable Tester The LCT-300 / LCT-400 LAN Cable Testers are intelligent continuity testers for LAN MODEL: LCT-300/400. LAN Cable Tester User's Guide. Welcome. Thankyou for purchasing this LAN Cable Tester Series product. Whether you are a contractor