SECTION 4 INSTALLING THE OPTIONAL INTERFACE CARDS4.1 Installing the Expansion Memory Card (MEMDB-C1)4.1.1 GeneralThe Memory expansion daughter board (IP4[ ]-MEMDB-C1) provides additional memory for thesystem to use following features;• A System with multiple KSUs• To use VoIP Card (IP4WW-VOIPDB-C1)• Remote Upgrade (Main Software)• E-Mail Notification (InMail)• VRS Channel increase from 4 to 16 channels• VRS/InMail channel increase from 8 to 16 channelsThis daughter board is mounted on the CPU card and provides the SDRAM and flash memories.4.1.2 UnpackingTable 2-21 MEMDB-C1 Packing ListItems List of Contents QTYIP4[ ]-MEMDB-C1 MEMDB-C1 PCB 14.1.3 Installing the MEMDB PCB• Do not remove or install the CPU card with power on.• If Expansion KSU(s) are installed, turn the power on/off in the order ofExpansion 2 KSU, Expansion 1 KSU and then Main KSU.1. Turn off the system power and disconnect AC cord.2. Open and remove the Sub-Cover.Sub-CoverSub-CoverTabTabFigure 2-86 Removing the Sub-CoverSL1100 ISSUE 6.02-64 Installation
