Tropos Routers Installation Guide, Models 6410 and 6420 383 Installing Battery and Power BackupAccessoriesThis chapter describes how to install battery and power backup accessories: “Introduction” on page 38 “Installing the PS079001” on page 40 “Installing the Battery Backup Unit” on page 44IntroductionThe Tropos 6410 and 6420 routers are designed to operate from DC power sources. If DCpower is not available, Tropos offers power solutions for the 6410 and 6420 for photocell andnon-photocell applications and a battery backup unit that provides backup power for the routers.The following products are available.PS079001 - Outdoor PoE Injector, non-photocellThe PS079001 is used for all non-streetlight applications. AC power is provided to thePS079001 using a PT031006 (6 feet) or PT031030 (30 feet) Tropos power cable. For streetlightinstallations where a photocell can be used as the AC power source, Tropos offers the PT021004(4 feet) and PT021020 (20 feet) power cables. These cables have a photocell tap at one end anda connector on the other end to plug into the PS079001.The PS079001 can be mounted on the mounting bracket of the router or can be remotelymounted.The PS079001 provides an Ethernet port that connects to the MGT port on the router, allowingthe router to function as a gateway.BB063001 - External Battery Backup UnitThe BB063001 Battery Backup Unit (BBU) provides backup power for a Tropos 6410 or 6420fixed router. The BB063001 requires the use of one of the two Tropos power supplies describedabove.The BB063001 can be mounted on the mounting bracket of the router (when a TLP4820 orPS079001 is used) or can be remotely mounted.The PS079001 provides an Ethernet port that connects to the MGT port on the router allowingthe router to function as a gateway.