18 AccessoriesUsing the Intrinsically Safe Barrier BoxThis does NOT ship with UL/cUL-approved monitors. The barrier box isonly for ATEX European approved MultiRAE monitors.To conform to ATEX European safety standard, the barrier box must beused when utilizing an RS-232 cable and/or transformer.1. RS-232 cable (detachable)* 2. Computer interface cable3. Transformer (detachable)** 4. Intrinsically safe barrier5. Power cable 6. MultiRAE Plus monitor4 53**1*1*62!Communicating with a Computer* This connection is not necessary during normal charging.Connect the RS-232 cable from the barrier box to the monitor.Connect the computer interface cable to the barrier box.Plug the computer interface cable into a computer.Charging the Monitor** Connection is optional during computer communication.Connect the power cable from the barrier box to the monitor.Connect the transformer to the barrier box.Plug the transformer into an appropriate outlet.