JUNIPER - 4-PORT SONET/SDH SFP MODULE. GENERAL INFORMATION BRAND NAME: JUNIPER MANUFACTURER PART NUMBER: PC-4OC48-SON-SFP MANUFACTURER WEBSITE ADDRESS: HTTP://WWW.JUNIPER.NET MANUFACTURER: JUNIPER NETWORKS, INC PRODUCT NAME: 4-PORT SONET/SDH SFP MODULE PRODUCT TYPE: EXPANSION MODULE TECHNICAL INFORMATION: I/O EXPANSIONS : EXPANSION SLOTS: 4 X SFP MISCELLANEOUS : ADDITIONAL INFORMATION: THIS MODULE SFP REQUIRES PLUGGABLE SFP OPTICS MODULES: (SMIR, SMLR, AND SMSR) COMPATIBILITY: M320, T320, T640 APPLICATION/USAGE: DATA NETWORKING . . .