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C-COR NA15T Series Procedures Manual

Manual is about: 1550 Transmitter and 1550 EDFA

Summary of NA15T Series

  • Page 1

    1550 transmitter - na15t series and 1550 edfa - na25e series procedures manual 1550 transmitter 1550 edfa 1550 edfa 1550 transmitter 1550cover.Fm page 1 tuesday, october 5, 1999 3:02 pm.

  • Page 2: C-Cor

    C-cor 1550 transmitter - na15t series and 1550 edfa - na25e series mx0860.Fm page 1 wednesday, august 25, 1999 1:34 pm.

  • Page 3: For Additional Information:

    1550 transmitter - na15t series and 1550 edfa - na25e series: copyright © 1999 c-cor.Net corp. All rights reserved. C-cor document number: mx0860 revision b c-cor ® , c-cor.Net, and flexnet ® are registered trademarks of c-cor.Net corp. Navicor™ and cnm™ are trademarks of c-cor.Net corp. All other b...

  • Page 4: 1.0

    Mx0860 revision b introduction 3 1.0 introduction this document details the installation and operation of the navicor 1550 externally modulated 1ru transmitter (c-cor na15t series) and the navicor 1550 erbium doped fiber amplifier or edfa (c-cor na25e series). The transmitter converts rf signals to ...

  • Page 5: Table 3.

    4 introduction mx0860 revision b table 2. Edfa (na25e series) basic input/output specifications input power 0 to 12 dbm wavelength 1555±5 nm model number na25e- 13s 16s 19d 19l 22d 22l 24d 24l output (dbm typical) with Š 3dbm input 13.3 16.3 16.0 19.0 ±0.25 15.5 22.0 ±0.25 15.25 24.0 output (dbm min...

  • Page 6: 1.1

    Mx0860 revision b introduction 5 1.1 statement of warranty c-cor shall, at its expense, correct any defect in material and workmanship in products manufactured by c-cor which may appear within the warranty period, as set forth herein. C-cor makes no other representation or warranty of any other kind...

  • Page 7: 1.3

    6 introduction mx0860 revision b 1.3 network management 1550 edfa and transmitters will be compatible with c-cor’s cable network management (cnm™) system (to be added by c-cor). Call c-cor for more information. 1.4 statements of compliance fcc compliance: this device complies with part 15 of the fcc...

  • Page 8: 1.5

    Mx0860 revision b introduction 7 1.5 tools and materials table 4 describes the tools, equipment, and materials that may be required to maintain the 1550 edfa and transmitter. Anyone performing the procedures in this manual is expected to be familiar with the appropriate, safe use of these tools. Too...

  • Page 9: 1.6

    8 introduction mx0860 revision b 1.6 fda/ansi classifications the wavelengths of light typically transmitted through the optical fibers used in hybrid fiber/coaxial cable (hfc) architecture fall in the infrared band of the light spectrum and are not visible to the human eye. Lasers that generate bea...

  • Page 10: 2.0

    Mx0860 revision b fiber care and cleaning 9 2.0 fiber care and cleaning the fiber optic medium does not suffer from problems associated with copper-based coaxial cables, such as electromagnetic interference and increasing loss of signal power at higher frequencies and cable lengths. However, the abi...

  • Page 11: 2.2

    10 fiber care and cleaning mx0860 revision b 2.2 fiber cleaning the quality of interconnections in fiber optic systems must be comparable to that of the optical fiber itself to minimize attenuation and, thus, maximize the performance of the link. Connector loss, typically measured for a mated pair o...

  • Page 12: 2.3

    Mx0860 revision b fiber care and cleaning 11 2.3 fiber connectors optical bulkhead connectors are extremely fragile. After cleaning, use caution when joining fiber cable connectors to bulkhead connectors. (refer to figure 1 for types of fiber cable connectors.) in particular, fc/upc and fc/apc fiber...

  • Page 13: Figure 2.

    12 fiber care and cleaning mx0860 revision b figure 2. Bulkhead connector installation and damage examples installing/removing fiber connector (ensure that fiber tip enters parallel to ceramic sleeve in bulkhead connector) unbroken ceramic sleeve (with slot visible) section of ceramic sleeve broken ...

  • Page 14: 3.0

    Mx0860 revision b unpacking 13 3.0 unpacking all units are inspected before shipment and found to be free of mechanical and electrical defects. 1. Unpack all units. 2. Keep all packing materials until your inspection is complete. When possible, save the shipping container for future reshipment and/o...

  • Page 15

    14 unpacking mx0860 revision b mx0860.Fm page 14 wednesday, august 25, 1999 1:34 pm.

  • Page 16: 4.0

    Mx0860 revision b mounting the units in a rack 15 4.0 mounting the units in a rack the following steps are designed to be performed in sequence. Refer to figure 3 as necessary. Figure 3. Mounting units in a rack 1. Place the module into the rack following these guidelines: ■ maintain 1.75 inches (1 ...

  • Page 17: 5.0

    16 transmitter controls and indicators mx0860 revision b 5.0 transmitter controls and indicators figure 4. Navicor 1550 transmitter r e ar vi ew ( a c m o de l) 2 1 15 13 12 11 10 9 14 8 7 6 5 4 3 f ro n t v iew (ac an d -48 v m odel s ) 16 rear v iew (-4 8v m ode l) 15 13 12 11 10 9 14 17 18 19 20 ...

  • Page 18: Table 5.

    Mx0860 revision b transmitter controls and indicators 17 table 5. Transmitter controls and indicators item label function 1 status led led lights green to indicate that rf is present and that the transmitter is functioning normally with laser active. Led lights yellow (minor alarm) to indicate a par...

  • Page 19: Table 5.

    18 transmitter controls and indicators mx0860 revision b 6 video led led lights when in video mode. In video mode, the agc accounts for power and carrier peak level changes associated with carrier modulated envelopes and maintains proper rf gain through the path to provide correct operation with act...

  • Page 20: 6.0

    Mx0860 revision b setting up a transmitter 19 6.0 setting up a transmitter 1. Turn the laser keyswitch to the off position. 2. Verify that the rf input levels to all transmitters are correct using a signal level meter. Refer to figure 5. See the appropriate specification sheet for recommended rf inp...

  • Page 21: Figure 5.

    20 setting up a transmitter mx0860 revision b figure 5. Analog input levels 3. Connect the rf cable to the f-type, rf input connection on the back panel of the transmitter as per your system map. 4. Verify that the correct type of optical connector (fc/apc, sc/apc, or e2000/apc) is attached to the o...

  • Page 22: 7.0

    Mx0860 revision b edfa controls and indicators 21 7.0 edfa controls and indicators figure 6. Navicor 1550 edfa controls and indicators rear view (ac model) 3 2 1 5 9 8 7 6 4 front view (ac 15 13 12 10 14 16 17 19 18 rear view (-48v model) 11 mx0860.Fm page 21 wednesday, august 25, 1999 1:34 pm.

  • Page 23: Table 6.

    22 edfa controls and indicators mx0860 revision b table 6. Edfa controls and indicators item label function 1 status led green indicates adequate optical input power is present and the pump(s) are functioning normally. Yellow (minor alarm) indicates a parameter that will not cause damage or affect o...

  • Page 24: Table 6.

    Mx0860 revision b edfa controls and indicators 23 4 ▲ and ▼ buttons, reset ▲ and ▼ raise or lower the output of the unit in increments of 0.25db per each press of the button. The output can be adjusted from -1.0dbm to: ■ +0.5: 13 to 16dbm ■ +.25: 19 to 24 dbm around the factory-preset output level. ...

  • Page 25: 8.0

    24 edfa alarm descriptions mx0860 revision b 8.0 edfa alarm descriptions the edfa will shut down under certain conditions. After shutdown, the edfa may power up again if the monitored values return to normal. Table 7. Edfa alarm/status descriptions parameter green (normal) flashing yellow wrng (mino...

  • Page 26: Table 7.

    Mx0860 revision b edfa alarm descriptions 25 p2 bias gives the status of pump 2 display reads ok greater than 90 %, display reads wrng:p2 bias hi at 0%, display reads wrng:p2 bias lo fault appears if both hardware and software faults occur that allow bias limits to be exceeded. Greater than 95 %, di...

  • Page 27: 9.0

    26 setting up an edfa unit mx0860 revision b 9.0 setting up an edfa unit 1. Using an optical power meter, verify that the optical input level on any input fiber does not exceed 12 dbm . 2. Verify that the correct optical connector is attached to the optical fiber. Clean both the bulkhead and fiber c...

  • Page 28: Figure 7.

    Mx0860 revision b general system performance considerations 27 10.0 general system performance considerations figure 7. A fiber optic link with edfa 10.1 a quick overview of a fiber link a fiber optic link consists of a transmitter, the fiber itself, a receiver, and any other components in between (...

  • Page 29: 10.2

    28 general system performance considerations mx0860 revision b 10.2 effects of adjusting transmitter rf modulation depth and edfa output levels refer to the individual component descriptions for information on how to adjust the transmitter rf modulation depth or edfa output level. 10.3 effects of at...

  • Page 30: List of Figures

    World headquarters 60 decibel road state college, pa 16801 usa tel: 800-233-2267, 814-238-2461 fax: 814-238-4065 european office p.O. Box 10.265 1301 ag almere the netherlands tel: +31-36-5461111 fax: +31-36-5364255 world wide web www.C-cor.Com canadian office 377 mackenzie avenue, unit 5 ajax, onta...