GZSB6663 GZ-SH-112DM GZ-SH-112DM(6P16A) GZ-SH-112L GZ-SH-124L GZ-SONET-1-07 GZ-SONET-1-18 GZ-SONET-1-20M GZ-SPOT-1-06 GZ-SPOT-1-18