Avaya NTDW12AAE5 Universal Digital Trunk Clock Controller Daughter-board
The Avaya NTDW12AAE5 Universal Digital Trunk Clock Controller Daughter-board is a UDT CC (Universal Clock Controller) daughter board for us on the NTDW79 UDT E1/T1.
This card is intended for CS1000E systems and is backwards compatible to small (e.g. Option11C, Option 11C mini, CS1000S) systems on all software releases as well.