JUNIPER NETWORKS - 4 PORTS CHANNELIZED DS3 IQ PHYSICAL INTERFACE CARD EXPANSION MODULE (P-4CHDS3-QPP). GENERAL INFORMATION: DEVICE TYPE: EXPANSION MODULE - 4 PORTS FORM FACTOR: PLUG-IN MODULE NETWORKING: CONNECTIVITY: TECHNOLOGY: WIRED DATA LINK PROTOCOL: HDLC, FRAME RELAY, PPP LINE RATE: T-3 LINE CODING FORMAT: B3ZS STATUS INDICATORS: PORT STATUS, ALARM FEATURES: MPLS SUPPORT EXPANSION / CONNECTIVITY: INTERFACES: 4 X DS3 - BNC X 2 COMPATIBLE SLOTS: 1 X EXPANSION SLOT COMPATIBILITY INFORMATION: DESIGNED FOR: JUNIPER INTERNET BACKBONE ROUTER M20 JUNIPER M-SERIES M20 . : IN STOCK. S