XBLUE Networks 29InstallationModule Installation4Module Installation3 x 8 Expansion Module1. Remove the KSU cover.2. Locate the pin connector socket labeled “308EXP”.3. Remove the screws from the motherboard, and replace them with the brass-coloredstand-off posts supplied with the expansion module.4. Insert the module, but before securing it, plug the ribbon cable into the pin connectorsocket labeled “308EXP”.5. Place the previously removed screws into the top of the stand-offs to secure the mod-ule.6. Replace the cover, and power the system up.Option Module1. Remove the KSU cover2. Remove the screws from the motherboard, and replace them with the brass-coloredstand-off posts supplied with the Option Module.3. Remove the plastic protective cover from inside the KSU.4. Insert the Module, and plug the ribbon cable into the pin connector socket labeled“Option Board”.5. Place the previously removed screws into the top of the stand-offs to secure the OptionModule or place the standoffs that are supplied with the Voice Mail system.6. Replace the cover, and power the system up.Adding Loud Bell ControlOne “dry-contact” RELAY 24VDC/1A is provided on the Option Module for use with externalringing devices. The system can be programmed to activate the dry contact whenever pro-grammed CO Lines ring.CautionDO NOT USE AN AC Power supply, the bell will ring continuously.