我公司现有北电二手光传输设备待售：
OPTera Metro 3400/3500 and S/DMS AccessNode Express
qty 3-  NTN320AA SNAACC0  SHELF PROCESSOR
qty 6-  NTN401AA SNI62Z7  OC-3 LONG-REACH INTERFACE
qty 27-  NTN410BA SNI2XVG  VT X-CONNECT
qty 6-  NTN431AA SNI21Y0  DS3/STS MAPPER
qty 8-  NTN434AA SNI5GN0  HX DS3X3/STS MAPPER
qty 3-  NTN440KA SN56A31  OC48 STS INTERMEDIATE-REACH INTERFACE