BLACK BOX
®
Gigabit Media Converter Switch
Installation & User Guide
xi
3.6
Powering the LBH2001A with 12V, 24V or –48VDC power input .. 42
3.7
LBH2001A Series, DC-powered, -48, 24 and 12VDC Installation .. 44
3.8
Connecting Ethernet Media ............................................................... 46
3.8.1
Connecting Twisted Pair (RJ-45, CAT 3, CAT 5 or CAT 6, .......
Unshielded or Shielded) ............................................................. 47
3.8.2
Connecting Fiber Optic LC-type, “Small Form factor (SFF)” ... 48
3.8.3
Connecting Fiber Optic SC-type, "Snap-In" .............................. 49
3.8.4
Installing LC-type SFP module,“Small Form Pluggable (SFP)” 49
3.8.5
Connecting Single-Mode Fiber Optic ........................................ 49
3.8.6
Power Budget Calculations for LBH2001A, Fiber Media ......... 50
3.8.7
Connections to NICs which support Auto-Negotiation ............. 51
4.0
OPERATION ....................................................................................... 53
4.1
Triple-Speed Functionality, and Switching ....................................... 53
4.2
Auto-cross (MDIX), Auto-negotiation and Speed-sensing ................ 55
4.3
Dual LEDs, Top-front and in End with ports .................................... 56
5.0
TROUBLESHOOTING ...................................................................... 57
5.1
Before Calling for Assistance ............................................................ 58
5.2
When Calling for Assistance ............................................................. 59