1.Available in 100 pairs in density. 2.110 wiring block 3.ODM&OEM 4.Certificate:UL,CE,ROHS ... panel, 19" 1U (without connecting blocks)110 WIRING BLOCKS 50 PAIRS WITH LEG,110 TERMINATION KITS 50 PAIR WITH LEGA ... together internally. When a patch bay has half-normal wiring, its switching contacts flow through the bottom jacks of ... .Distribution frames are cheaper, but less convenient. 25 pairs wiring block