13
Optical Loss Margin
Signal Min
Unit
TX Optical Output
- 6*
dBm
RX Optical Input
- 21
dBm
Optical Loss Margin (Range)
+ 15 dB
Table 2: Optical Power and margins.
* Standard output, high-power versions available
Use an optical power meter for testing the optical signal development and its
transmission over the fiber. Instructions for this test are supplied with the meter.
Preventive Maintenance
Battery Pack
Replace the internal Ni-Cad battery pack every two years; perform the following
procedure:
1. Verify that power is off.
2. Open the top.
3. Cut the tie wraps holding the battery.
4. Replace the battery and tie wraps with the same or equivalent.
5. Reverse the procedure to reinstall the battery.
Repair
For assistance with your DiamondBack2 system, contact Telecast Fiber
Systems, Inc. at 508-754-4858. To return a unit for repair, you must obtain a
return material authorization (RMA) number from Telecast service.
Accessory List
The following accessories are available from Telecast:
• Optical power meter kit with wavelength filter
• Cable repair kit
• Loop-back cable to localize signals during installation test
• Replacement Ni-Cad battery pack
• Prefabricated cables built to custom lengths
