8 Port Telephone Expansion ModuleDesigned to support up to 4 incoming telephone lines with 8 outputs extensions per lineModule is bridged as using only 2 incoming lines can get 16 outputs extensions per line and using only 1 incoming line can get 32 outputs extensionsIncludes an RJ31X jack connected to line 1 for a security systemIncludes an expansion jack for more outputs extensions by connecting to ICRESVPB10 8-port telephone resi module with expansion jacksFits all ICRESDC 14 21 26 AND 42 residential distribution center enclosures with the 4 locking buttonsModules compatible with most major manufacturers enclosuresInstallation instructions includedUL listed
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