user manual
208  DX-700 • User’s Guide • Rev 02
aK==cáÄÉêäáåâ=kkf=fåëí~ää~íáçå
Fiberlink NNI Hardware
cáÄÉêäáåâ=kkf=e~êÇï~êÉ
The following topics are discussed in this section:
• Fiberlink NNI Transmitter
• Fiberlink NNI Receiver
cáÄÉêäáåâ=kkf=qê~åëãáííÉê
The figures below illustrate both sides of the Fiberlink NNI Transmitter:
Figure D-2.  Fiberlink NNI Transmitter
Following are descriptions of all Fiberlink NNI Transmitter components:
1) Sun Shield
The Sun Shield is designed to provide thermal protection from sun-generated 
overheating, within the recommended operating temperature range: -20° C to 
55° C (-4° F to 131° F). 
2) Fiber Connection LED
The Fiber Connection LED indicates the status of the data coming over the fiber 
optic cable from the Fiberlink NNI 
Receiver. Green indicates that a signal is 
present. 
Off indicates that a signal is not present. There are no other LED states. 
1
NNI Side Fiber Side
65432
PowerNNIFBR
7
1) Sun Shield 4) NNI Connector 7) Mounting Holes
2) Fiber Connection LED 5) Power LED
3) NNI Connection LED 6) Fiber Optic Connector
Important
The Fiberlink NNI Transmitter can be used in direct sunlight 
when mounted vertically, as shown on page 214. Do not 
prevent air from flowing around the unit. To avoid 
overheating, do not leave the Transmitter in direct sunlight for 
prolonged periods of time.










