Impact Acoustics(TM) Telco modules provide high performance distribution for your telephone system, 110 style punchdown terminals for 4-pair wire allow as many as 4 lines to be distributed to 8 or more locations, The DSL filter module has a dedicated throughput for the modem and centrally filtered signals for the telephone jacks throughout the house to eliminate unsightly wall jack DSL filters, Features: 110 style punchdown terminals, 4-telephone line capability, Bridge modules together for larger systems, DSL filter eliminates unsightly DSL line cord filters, SKU: CTG1870