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Black Box Heavy Duty Edge Switches Installation and User Guide (07/05)
3.6 DC Power Terminals: “+”, “-”, gnd......................................................... 46
3.7 LBHXXXA(E)-H and -P Series, DC-powered,................................. 47
3.8 Connecting Ethernet Media ............................................................... 48
3.8.1 Connecting Twisted Pair............................................................ 50
3.8.2 Connecting Fiber Optic ST-type, “twist-lock”........................... 50
3.8.3 Connecting Fiber Optic SC-type, "Snap-In".............................. 51
3.8.4 Connecting Single-Mode Fiber Optic........................................ 52
3.8.5 Power Budget Calculations........................................................ 53
3.8.6 Connections to NICs.................................................................. 55
4.0 OPERATION ....................................................................................... 56
4.1 Dual-Speed Functionality, and Switching ......................................... 56
4.2 Auto-cross (MDIX),........................................................................... 58
4.3 Dual LEDs, Front-panel and side-panel............................................. 59
4.4 Hardware operated Alarm Contact .......................................................... 60
5.0 TROUBLESHOOTING ...................................................................... 61
5.1 Before Calling for Assistance ............................................................ 62
5.2 When Calling for Assistance ............................................................. 63