Supply Of Pcm Tdm Integrated Access Device Equipped With Of 4e1 Ports And 3 Slots & One Slot Populated With 2w/4w E&m Supporting Up 8 Interfaces Balance Two Slots Empty Unit Support 124 Dso Slot Cross Connect. E&m Module To Support Gain/loss Adjustment For Lvcd Application. Unit Support Both Ac/dc Power Supply Ac 230 Volt/ Dc 24v To 48v Including 50 Pin Cable One Number For Supporting Both 2w/4w E&m, Ac Adaptor One Number..