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Summary of Contents for Hirschmann OAS 1501-16 A
- Page 1 OAS 1501-16 A OAS 1501-16 B O p t i C a T 1 5 0 0 Series Erbium-Doped Fiber Amplifier Richard Hirschmann GmbH & Co Business department Interactive Broadband Networks Stuttgarter Strasse 4 - 51 D - 72654 Neckartenzlingen...
- Page 2 Every attempt has been made to make this material complete, accurate, and up-to-date. Users are cautioned, however, that Richard Hirschmann GmbH & Co reserves the right to make changes without notice and shall not be responsible for any damages, including consequential, caused by reliance on the material presented, including, but not limited to, typographical, arithmetical, or listing errors.
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Page 3: Table Of Contents
GENERAL INFORM ATION ......... . . 1 - 1 1.1 Scope of this M anual . -
Page 5: General Information
GENERAL INFORMATION S cope of this Manual This document describes the form, fit, and function of the OptiCaT 1500 Series Erbium-Doped Fiber Amplifier (EDFA) and all acceptable standard options. • Installing the unit • Operating the unit • Setting up the unit to suit individual needs •... -
Page 6: Specifications
Figure 1-1 OptiCaT 1500 EDFA Unit Features and Advantages of the 9100 S eries • Models available with a wide range of optical output power. • Low Noise Figure. • User adjustable output power. • Front panel display of status and configuration of the Optical Amplifier. •... -
Page 7: Functional Description
Functional Description Front Panel: On/Off Key Activate/De-activate optical gain LED indicator Indicates status of unit (Normal, Warning, or Alarm) Display Alphanumeric Dot Matrix LED, 1 line provides status and configuration information. Scroll buttons up/down/select push buttons are used to select menu items for display and to vary user adjustable parameters. -
Page 8: Service
Without proper maintenance practices, fiber optic systems will fail to function properly. These performance degradation’s take many forms: • Poor analog transmission quality • Digital bit error rates increase • Reduced optical power • Receiver input power outside optimum operating range •... -
Page 9: Electrostatic Sensitivity
Calls attention to a procedure or practice which, if ignored, may result in damage to the system or system component. Do not perform any procedure preceded by a CAUTION until described conditions are fully understood and met. 1.11 Electrostatic S ensitivity Observe electrostatic precautionary procedures. -
Page 10: Installation
INS TALLATION To install the equipment, perform the following steps, each of which is described in detail in the rest of this section. • Step 1. Examine the equipment for loss or damage that may have occurred during shipping. • Step 2. Prepare the operating environment. •... -
Page 11: 2.2.2 Equipment Mounting Requirement
2.2.2 Equipment Mounting Requirement The OptiCaT 1500 EDFA is 1 unit high and is designed to fit EIA standard 19 inch equipment cabinets. Hirschmann GmbH & Co recommends 1.75 inch space above and below the unit. 2.2.3 Power Requirements Depending on the option purchased, the unit can be powered from AC, unregulated DC, or regulated external DC. -
Page 12: Make Optical Connections
Note: M ake heavy gauge wire connection between ground stud and chassis ground before making electrical connections. 21 - 60 V DC input Regulated Input +24 V Gnd Figure 2-1 DC Power Connections Make Optical Connections Ensure optical input signal is present. M ake sure all connectors are clean before installing. -
Page 13: Operation
OPERATION The user front panel interface consists of a 16 character segmented LED display, a status indicating LED, and 3 push buttons. The status indicating LED indicates whether the conditions are normal, or whether a warning or alarm is active. The LED lights green, amber, or red, respectively to indicate these conditions. -
Page 14: Rear Panel Connections
Rear Panel Connections Power entry module On/Off switch with standard (If AC ordered) 3-pin IEC AC power socket integrated fuse holder Make sure the Key switch on the front panel is in the “Off” position before turning the power on switch to the “On”... -
Page 15: Output Power Adjustment
not pass its self-test because of a warning or an alarm condition, then the EDFA changes the LED and display as described in table 4-1 in Section 4 Troubleshooting. During normal operation, the EDFA displays “1550 EDFA.” When the “select” button is pressed, the display changes to show system information according to the menu structure of Fig. - Page 16 1550 EDFA Optical Pump 1 Pump 2 System P in = xx.xdBm I bias 1 = xxxmA I bias 2 = xxxmA SN = xxxx P out = xx.xdBm I TEC 1 = x.xxA I TEC 2 = x.xxA Address = xxxxx Pwr Adj = xx.xdBm Temp 1 = xxC Temp 2 = xxC...
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Page 17: Troubleshooting
TROUBLES HOOTING There are two types of faults - warnings and alarms. Warnings are conditions that indicate problems, but do not necessarily result in a total loss of service. Alarms are conditions that indicate a total loss of service. Based on the condition of the alarm or warning, different indicators will be affected. - Page 18 Note: When the keyswitch is in the “off” position, the LED is amber and the display reads “Stand By” to indicate the standby mode EDFA Condition Display Readout LED Color Description Power on/key on 1550 EDFA Green normal operation Warning Power on/key off Standby Amber...
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Page 19: Theory And Block Diagram
THEORY AND BLOCK DIAGRAM The OptiCaT 1500 EDFA block diagram is shown in Fig 5-1. Depending on model, isolators are used at both the input and output to prevent optical reflections from feeding back into the amplifier which can degrade performance. Tap couplers at both the input and output are used to monitor the power of the incoming and amplified output signal. -
Page 20: Model Specifications
MODEL S PECIFICATIONS Parameter OAS 1501-16 A OAS 1511-16 B Output Power 16 dBm 16 dBm Noise Figure (max) 5.5 dB 5.0 dB Operating Wavelength 1540 - 1560 nm Polarization Sensitivity <0.2 dB Input Optical Return Loss >50 dB No spec Output Optical Return >50 dB...
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