Operating instructions LR 60 Optical Transceiver "Mininode"
Contents
1. gt 12 dB 950 2200 MHz 85 dBuV 2200 MHz 4 dB slope 5dBm 3 dBm lt 1 5 dB lt 20 pA 4j Hz gt 26 dB gt 36 dB F auto manual auto manual 0 20 dB O 20 dB All alarm thresholds are variable 180 265 VAC 6 W lt 10W Il Z IP 54 244 x 134x 84mm 95 10 C 50 C 25 C 75 C 07 03 Operating instructions WISI VALUE LINE ce LR 60 Mini node et ee ee i p WILHELM SHN JA EG MADE IN GEAMANY SSS i aa el M Compact optical receiver for CATV and SAT IF over one fiber E All settings pollings by WISI Handset OK 41 W Integrated splice box E Two separate outputs for SAT IF and CATV E Automatic level control ALC for constant output level EN 50 083 1ff Services and repairs should only be carried out by experts Pay attention to live parts or wires Switch off power supply LASER CLASS 1 Do not kink the optical fibre Minimum bending radius 1 5 cm C 043 230 Transceiver LR 60 Accessories Handset OK 41 Factory settings JP1 2 LT 19 FP Laser LT 20 21 DFB Laser Remove jumper JP1 2 before plug in LT 19 20 21 I 230V 12V i a a a a a a chess agate ape i a i Z Mini Node LR 60 LT 19 20 21 950 2200MHz caT OUT T 47 85 862 MHz eps paa aes a E E eee LT 19 20 21 l Interface Te nee Control 1 I T 7 S aN 15 65 MHz JP 4 nc CATV OUT Opt2. out fg 15 MHz Mounting of fiber WN Oo uw e Pigtail with E2000 APC connector see Fig 3 Remove the locking lever 3 of the connector by pushing it out upwards Unscrew and remove the cap 5 and slide it over the connector Pull the rubber gasket 2 out of the fiber feedthrough 1 This gasket is not needed during assembly and can be discarded Thread the E2000 APC connector through the fiber feedthrough 1 into the LR 60 Press the locking lever 3 into the E2000 APC connector and slide the connector into the E2000 APC coupling Lay the fiber taking care not to kink it The minimum permissible bending radius is 1 5 cm Slit the enclosed gasket 4 and press the fiber into it Screw the cap 5 with its gasket onto the fiber feedthrough 1 Pigtails with mono mode single mode fiber Unscrew and remove the cap 5 and slide it over the end of the fiber Cut about 50 60 cm of the outer sheath from the fiber Before threading the fiber through the fiber feedthrough 1 ensure that no components can be damaged see fig 4 Splice the pigtail Do not bend the fiber sharply Screw on the cap 5 Parameter settings with handset Handset OK accessory OC 1 OT 595 Remove jumper JP 2 3 before plug in LT 20 LT 21 03 03 Connection Unscrew the cover Plug the handset into socket RJ 45 Connect the supply voltage Parameter
3. 0 mW 25 mW OTP Upper Alarm 0 mW 25 mW OTP Lower Alarm 0 mW 25 mW opt Transmission Power o k LT 20 installed 5 Alarms m20 2 TED ght LR 20 21 Adjusting the alarm and warning thresholds for the optical input level ORP The upper and lower switching thresholds for activation of the two LEDs can be set as desired Enter a lower level and an upper level of the optical input signal at which an alarm or warning is to be activated Red LED Led lights Alarm optical input level is too low Led blinks Alarm optical input level is too high Green LED Led lights Optical input level is correct Led blinks Warning the upper or lower threshold value has been reached Deadband Adjustment of the hysteresis of the thresholds LT 20 LT 21 Adjusting the warning thresholds for the optical output level OTP The upper and lower switching thresholds for activation of the LED can be set as desired Enter a lower level and an upper level of the optical output signal at which a warning is to be activated
4. menu AV keys Select parameter gt key Open parameter sub menu lt q key Back Parameter sub menu lt gt keys Select display or value to be changed Cursor blinks under the value e g 89 Av keys Change the value Saving after completion of all settings press the lt q key several times until Saving data to EEPROM is displayed All settings are now saved Basic settings 1 Opt Rec Power 10dBm 0 mW no optical power 3dBm 2mW max optical power 2 Output Level Low 80dBuV flat High 95dBuV 4 dB slope 5 OMI Automatic Manual 3 Attenuator Mode 4 Attenuation Display of measured value Adjustment of attenuation O 20dB GB ORP Optical Receiving Power OTP Optical Transmission Power Alarm Warnung LR 20 21 LJ CL rt gn LEDs oee ANo LT 20 LT 21 LED Functions with installed return path transmitter LT 20 Activated module active Deactivated module inactive 4a Laser LT 20 2 1 LED flasines 4b Opt Transm Power Display should be 3dBm 2mW 4c Modulation index Adjustable in range 3 8 atan input level of 75dBuV Low 0 dB Pad 8dB High gt 45 dB 4d ICS 4e Temperature Display of internal temperature Threshold value ORP Upper Warn 0 mW 25 mW ORP Lower Warn 0 mW 25 mW ORP Upper Alarm 0 mW 25 mW ORP Lower Alarm 0 mW 25 mW 5 Alarms Threshold value OTP Upper Warn 0 mW 25 mW OTP Lower Warn
5. Specifications Optical parameters Wavelength Optical return loss Fiber Optical connector CATV parameters Output impedance Output return loss Frequency range Controlled output level ALC OMI 5 CNR for 42 Ch CENELEC opt link 6dB Distorsion products for CENELEC 42 Ch 85 dBuV 4 dB slope CTB CSO Optical input level for controlled electrical output level Amplitude response O E Sensitivity RF connector SAT IF parameters Output impedance Output return loss Frequency range Controlled output level ALC OMI 5 Optical input level for controlled electrical output level Amplitude response O E Sensitivity CNR for 40 Ch CENELEC opt link 6dB RF connector NMS functions Monitoring Optical input level Attenuator settings Configuration ALC mode CATV ALC mode SAT IF Attenuation CATV manual mode Attenuation SAT IF manual mode Alarms Optical input power too high low General data Supply voltage Power consumption Power consumption with LT Transponder Protection class Dimensions B x W x D Max humidity not condensing Ambient temperature Storage temperature measured with LT 61 in dual band operation measured with LT 61 in single band operation 1290nm 1600nm gt 40 dB single mode 9 125 um E2000 APC 7154 gt 18 dB 1 5 dB oct 45 862 MHz 85 dBuV 862MHz 4 dB slope gt 48 dB gt 68 dB gt 65 dB 5dBm 3 dBm lt 1dB lt 15 pA j Hz F 75Q
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