Nortel BCM50 Expansion NT9T6402E5 G4X16 W/ A/C Adapter

Nortel BCM50 Expansion NT9T6402E5 G4X16 with A/C Adapter in good physical condition with minor wear, power adapter works but is taped, seems to have been dropped which broke the brackets for the screws (see pictures). Unit powers on but not able to test further. ALL OFFERS AND QUESTIONS WELCOME Â