Item DescriptionETHERNET (J11: RJ45)8 765 4321Ethernet Cable Connection (for SMDR (PC, Printer), PCPro or WebPro….etc)Pin No. Pin Function1 Tx+2 Tx-3 Rx+4 -5 -6 Rx-7 -8 -1.4 Chassis DimensionsFor Dimensions of the Chassis, refer to Figure 2-6 Dimension of the Main and Expansion Chassis onpage 2-6.330 mm (12.992″)92.9 mm(3.657″)435 mm(17.126″)Figure 2-6 Dimension of the Chassis1.5 Wall-Mounting the ChassisTo prevent damage, choose a safety area to install the chassis even if thechassis is fall down from the wall.SL2100 ISSUE 1.02-6 Installation