Fore Systems NM-1/622SMIRD

Marconi NM-1/622SMIRD single Mode OC 12 rev D NOB NM-1/622SMIRD
ACCA0187-2002

NM-1/622SMIRD 1-Port 622Mbps OC-12c/STM-4c Network Module, SMF, Intermediate Reach, SC (D Series)
module.