Relcom CBR-7DC Manuale Utente

CBR-7 Installation and Testing 501-281, Rev C.0 1 Installation and Testing 5 Mbit/s Repeater Carrier-band to Single-mode Fiber Optic Models

CBR-7 Installation and Testing 501-281, Rev C.0 10 Receiver side With all the optical components connected, disconnect the CBR-7 at the receiver

CBR-7 Installation and Testing 501-281, Rev C.0 11 Here is an example: The top of the screen is at -10 dB. There are two

CBR-7 Installation and Testing 501-281, Rev C.0 2 Repeater Installation The Repeater is connected to segments of the Carrier-band network like an

CBR-7 Installation and Testing 501-281, Rev C.0 3 Hazardous Area Warning For both AC and DC Repeaters, users are warned not to disconnect power

CBR-7 Installation and Testing 501-281, Rev C.0 4 Testing A self-testing capability is provided for checking the operation of the Repeater before

CBR-7 Installation and Testing 501-281, Rev C.0 5 Troubleshooting During normal Repeater operation, the PWR light is ON, the two ACTIVE lights ar

CBR-7 Installation and Testing 501-281, Rev C.0 6 Fiber-Optic Testing When the CBR-7 repeaters and the optical components are installed, they m

CBR-7 Installation and Testing 501-281, Rev C.0 7 Attenuation Measurement Determine the light output level of the CBR-7 transmitter. Disconne

CBR-7 Installation and Testing 501-281, Rev C.0 8 From the example above, if the light measured at the receiver is -11.2dBm then the Measured Att

CBR-7 Installation and Testing 501-281, Rev C.0 9 Return Loss CBR-7 performance depends on low return losses (reflections) of the optical compo