8 Port Telephone Expansion ModuleDesigned to support up to 4 incoming telephone lines with 8 outputs/extensions per lineModule is bridged as one expansion jack is used as input and the other one as expansion for more outputs/extensions by connecting to another ICRESVPB1C 8-port telephone residential module with expansion jacksFits all ICRESDC 14 21 26 AND 42 residential distribution center enclosures with the 4 locking buttonsIncludes 9 8P8C jumperModules compatible with most major manufacturers enclo
