Description Product Reviews The P399 protects personnel and expensive equipment from damaging electrical surges that may get onto incomingcable lines. It mounts on conventional central office frames with 8 inch centers. Porta Systems P399 is a compact 100-pair connector that utilizes industry standard 5-pin protector modules. The P399 comes in various input stub lengths either 22awg or 24awg and has either Wire-Wrap or Quick Clip output. Please call for quantity discounts. 100-pair front facing test field Compact design saves space and increases number ofprotected pair per frame vertical Accepts industry standard 5-pin protector modules Gold plated protector module sockets and test field contactsfor superior electrical contact that eliminate noise problems Fanning strips allow easy wire management for both fieldstubbing and cross connection to horizontal blocks bracket Front ground test point offers labor savings and reliability Factory stubbed units available Operating Temperature: -13F to 149F (-25C to 65C) P399 Data Sheet The P399 is a direct replacement for the Emerson R399 Central Office Protector. Emerson Catalog # Emerson Part # Porta Equivalent R399 F249001 P399 R399AA25 F249024 P399-WW (24X25) R399AA50 F249008 P399-WW (24X50) R399AA75 F249111 P399-WW (24X75) R399AA100 F249045 P399-WW (24X100) R399BA25 F249015 P399-WW (22X25) R399BA50 F249014 P399-WW (22X50) R399BA75 F249077 P399-WW (22X75) R399BA100 F249116 P399-WW (22X100) Need a quote on P399 or R399 Central Office Protectors. Please send your request to us here. The Porta P399 is an exact replacement for the Emerson R399 0 Reviews Hide Reviews Product Reviews