長期大量供應北電光傳輸設備： OC-3 IC 1310NM INTERFACE NTN401DA OC-12/STM-4 IR STS-12C 1310NM NTN404KA SC NTUC41 OC-48/OC192 NTCA10 FAN NTCA85 北電機框Nortel Networks OPTera Connect DX NTCA91AB STM64 OC192 NTCAO6WP OM3500 VTX-48 NTN414AA POWER CARD NTN45 1FILLER NTCA59AA 北電直流PASSPORT 4460 204957-A 北電FLASH卡北電語音卡E1 VOICE 北電10G小模塊（10GBASE-LR) 北電小模塊（SCP6F44-N5-AWE)GBE LX DD1 北電74PANEL NTFP08AB OC192 T/R TFEC NTCF06 Dual Uni OSC NTCA15AC Dual Amp C-Band NTCA15CM SDH ACCESS PANEL NTK505LA 風扇 NTK507 Power Card NTK505BA Filler NTK505YA processor sp NTK555AA OC-192/STM NTK526LW X-CONN 160G NTK557BA oc-3/12/STM-1/4STS-1/HO NTK513MA Optical Multiservice Edge 6500 NTK503BA 4POC3 SMIR NTHR21 北電CP卡（雙層卡） NTHW06CA 北電CP2 NTHR06CA OC192/STM64 T/R SHORT REACH NTWR06AB HSSI FP NTNQ27AA 北電1POC12 SMLR NTHR29BA ASG5000機框 NTNA7470 北電EMC機柜 COOLING UNIT NTBP07AA E1MSA FP NTNQ93 DS3A FP NTNQ51AA OC3S FP NTFP38G2 北電CP NTFN33HB POWER SUPPLY NTEP26CA V.35 FP NTBP16GA DC POWER SUPPLY NTBP52CA SSC-IIN TJT29BB 5K SHASTA5000機框 NTJS52BA 7480機框 NTJS63EB 7440機框 OC3SFP NTNQ66AA E1 FP NTNQ15AA 北電E1MSA FP 卡NTNQ69BA