NT9T4124E5 Nortel BCM50 3.0 Replacement Hard Drive
NT9T4124E5 Nortel Norstar BCM50 3.0 Replacement Hard Drive
NT9T4124, NT9T4124E5 SATA 80GB Seagate Hard Drive.

BCM_50 R3 Hard Field Drive replacement.
All you have to do is open BCM-50, remove defective hard drive.
Install this replacement BCM 50 NT9T4124hard drive Rel 3 and after putting the BCM50 back together, re-install your license file and reprogram the BCM50 system.