Quality Fiber and RF EDFA-1901 User Manual Download Page 9

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6.0

WARRANTY AND REPAIR ITEMS

Each EDFA unit comes with a full one-year parts and labor guarantee.

Please contact QFRF at (772)545-9757 if you have any problems.

The micro-processor software of the device has the function of monitoring

laser status, digital display, trouble alarm, network management etc. The

pump laser will not be damaged only by man-induced factor. If the Red LED

is blinking (Alarm), please contact QFRF for repairs or troubleshooting the

problem. The user should not open the top cover for repairs without the

permission of QFRF, otherwise the warranty may be invalid.

Lifelong maintain and upgrade can be provided even though the guarantee

period is expired.

4. If component is damaged by man-induced factor, material fee will be

charged.

QUALITY FIBER AND RF, INC

8941 SE DUNCAN ST

HOBE SOUND, FL 33455

(772)545-9757

http://www.qfrf.com

Summary of Contents for EDFA-1901

Page 1: ...50 0n nm m E Er rb bi iu um m D Do op pe ed d F Fi ib be er r A Am mp pl li if fi ie er r EDFA 1901 U US SE ER R M MA AN NU UA AL L 19dBm Total Output Power Dual 120 VAC Power Supplies SNMP Status Mon...

Page 2: ...LS INDICATORS AND ALARMS 2 2 1 The operation of the front panel 2 3 0 EQUIPMENT OPERATION PRINCIPLE 5 3 1 EDFA 1901 Series amplifier circuit principles 5 3 2 CNR degradation chart 5 4 0 DESCRIPTION OF...

Page 3: ...ions bringing revolutionary progress for CATV transmission with high quality pictures over long distances and allowing the CATV operator to cover large areas with high customer density greatly reducin...

Page 4: ...switch in the rear panel then input power and turn on the laser key in the front panel Front panel shows KEY ON Laser status lamp turns green from red and the machine enters self checking After check...

Page 5: ...Menu 13 5V Reads Read only menu displays the voltage 5V Menu 14 UNIT TEMP Read only menu tells the temperature of chassis Menu 15 IP Adjustable list displays the IP address of SNMP Menu 16 Sub Adjust...

Page 6: ...utomatically 4 Bias BIAS Bias is the key index of the laser If the fixed range is exceeded the power supply of the laser will be off automatically to protect the laser 5 5V voltage 5V READS 0 5V alarm...

Page 7: ...Page 5 of 7 3 0 EQUIPMENT OPERATING PRINCIPLES 3 1 EDFA 1901 Series amplifier circuit diagram 3 2 CNR degradation chart 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 Amplifier input power dBm CNR inferiority dB...

Page 8: ...ct the laser the power supply of the laser has a time delay function After turning on the keyswitch the laser will start to work after a 10 second delay 5 0 OPERATION NOTICE 1 The machine should have...

Page 9: ...not be damaged only by man induced factor If the Red LED is blinking Alarm please contact QFRF for repairs or troubleshooting the problem The user should not open the top cover for repairs without the...