User Guide for AIR-104/AIR-204 1-3Chapter 1 IntroductionThe connectors on the backFigure 1-2 AIR-104 Back PanelFigure 1-3 AIR-204 Back PanelRJ-type connectors are used for all cable connection into your AIR-104/204 (except forthe power adapter cord). The types of connectors and their cables are- 4 RJ-45 10/100Base-T Ethernet connectors for connecting to PCs/workstations (Node) or an Ethernet repeater hub (Hub). These accommodatestandard Category 5 Ethernet cables.- 1 RJ-45 connector for connecting to a console (or equivalent). This is a specialnull modem cable supplied with the device which has an RJ-45 plug on oneend and a DB-9 “D” connector on the other end.- 1 or 2 RJ-45 connectors for connecting to external modems. This is a specialcable supplied with the device that has an RJ-45 plug on one end and a DB-25“D” connector on the opposite end. The AIR-104 is shipped with two of these, andthe AIR-204 is shipped with one.- 0 or 1 RJ-11 connectors for connecting a telephone handset or fax machine tothe AIR-104/204 via the built-in modem. Only the AIR-204 has this type ofconnector.- 1 power connector for connecting through a power adapter (included as part ofthe product) to the wall power outlet.CONSOLE COM2 COM1 DC 12V1 2 3 4ONOFFUPLINKCONSOLE COM21 2 3 4 DC 12VONOFFUPLINKPHONE LINE