Items List of Contents QTY NoteIP7WW-2BRIDB-C1 2BRIDB-C1 Board 1Screw (with Washer and Spring Washer) 1IP7WW-1PRIDB-C1 1PRIDB-C1 Board 1Screw (with Washer and Spring Washer) 13.3 Mounting the Expansion Interface BoardDO NOT POWER ON until all installation has been completed.Fit the optional 3COIDB-C1/2BRIDB-C1/1PRIDB-C1 daughter boards before installing the 082U-B1/008U-C1/000U-C1 boards.Set the switches on the 2BRIDB-C1 board before mounting it onto the 082U-B1/008U-C1/000U-C1 board.3.3.1 Slot LocationEach 4KSU-C1 has four universal slots for station, trunk and optional boards excluding CPU/EXIFEslot. However the Slot 4,8,12 does NOT Support any types of Multiline Terminals. Analog extensions(and any types of Trunks) shall work. The slot location in the 4KSU-C1, refer to Figure 2-57 SlotNumbers on page 2-42.Slot 1Slot 2Slot 3Slot 4Slot 5Slot 6Slot 7Slot 8Slot 9Slot 10Slot 11Slot 12MainChassisExpansionChassis 1ExpansionChassis 2CPU/EXIFESlotUniversalSlotsFigure 2-57 Slot Numbers3.3.2 Mounting the 308U-A1/082U-B1/008U-C1/000U-C1 BoardsThe procedure for mounting the expansion interface boards are as follows;The following procedure is being explained only for slot No.1. However the other slots are also the sameprocedure as slot No.1.Not all boards are hot swappable. Do not remove or install from the chassiswhen powering up.SL2100 ISSUE 1.02-42 Installation