长期大量供应北电ATM/SDH光传输设备，详细信息如下： 8-PORT LEGACY DATA EXPANSION NTAU77AB OC192/STM64T/R NTCA06MP NGM WT NTK530AAE5 PCB ASSY (p bus extender)总线扩展板 QPA152C 8PORT V.24-2 PI PCP ASSY NT7P44BA PCP ASSY 2MB PE386 NT7P23AM PCP ASSEMBLY FOR 4MB PE386 MO NT7P23FF 8 PORT V.35 PCP ASSY NT8P31CA 8PORT V.35 NT8P31DA 6-PORT LEGACY DATA MODULE NTAU73AB 北电4450 NTAU09CA PCP ASSY 2MB PE386 NT7P39FG PCP ASSY 2MB PE386 NT7P39F 4-PORT HIGH SPEED DATA MODULE NTAU83AA DIGITAL POWER CONVERTER PCP(MAS 电源） QPA165F PCP 4120 DAUGHTER MEMORY ONLY NTA150AA 时钟板 NTEQ32AA PCB ASSY (ALARM INTERFACE) NT9P31CA EPR(E1) NT7P70CA V.36 SCSI PI NTEQ12AB DPN100 AM/PM HARD DISK NT7P43EA 4PORT V.36 PI PCP ASSY NT7P30CA PE386 2MEG PROCESS.ELEM NT8P38BB COMMON MEMORY PACK 128KB NT9P27AD MAGELLAN NT7P33BB SERIAL WAN MODULE NTAU03AA 北电语音卡FXS VOICE