... 1.Available in 100 pairs in density. 2.110 wiring block 3.ODM&OEM 4.Certificate:UL,CE,ROHS,ISO9001 5.Application:network 110 type 100-pair cross ... connection panel, 19" 1U (without connecting blocks)110 WIRING BLOCKS 50 PAIRS WITH LEG,110 TERMINATION KITS 50 ... environment.Distribution frames are cheaper, but less convenient. 50 and 100 pair 110 wiring block