We are specialist for Nortel products regarding to supply, repair and support with over 20 years experience on Nortel PDH and SDH products. we have the following repair facilities for Nortel 1) Fully Supply, Support and repair Nortel PDH systems which are the following: A) Network 300 ( Repair all the units). B) PDMX ( Repair all the units). C) Modular which are lower and higher order MUX (Repair all the units). D) 565 Mbit/s only supply of some selected units. 2) Supply, Support and Repair the following SDH Systems which are the following: A) TN-1X ( Repair all the units). B) TN-4XE/16XE ( Repair all the units with the exception of couple of them). C) Optera Metro 5100/5200 ( Repair almost 70% of the units).