JUNIPER NETWORK - P-1OC12-SON-MM IPOLB2KDAA 4 PORT SONET/SDH OC12/STM4 PIC (P-1OC12-SON-MM). GENERAL INFORMATION: DEVICE TYPE:EXPANSION MODULE FORM FACTOR: PLUG-IN MODULE NETWORKING: CONNECTIVITY TECHNOLOGY: WIRED DATA LINK PROTOCOL: SONET/SDH LINE RATE: OC-12/STM-4 EXPANSION / CONNECTIVITY: INTERFACES: 1 X OC-12/STM-4 COMPATIBLE SLOTS: 1 X EXPANSION SLOT COMPATIBILITY INFORMATION: DESIGNED FOR: JUNIPER INTERNET BACKBONE ROUTER M40 JUNIPER M-SERIES M20 : S