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Neat Generation Network Plan <br />Page 4 <br />A higkz-coun� fiber optic backbone provides flexibility and scalability for future <br />applications and networking technologies. In the past few years, the price of fiber optic <br />cable has declined, creating a situation where the incremental cost of additional fiber <br />strands is marginal in the overall cost of fiber optic construction. The proposed backbone <br />design for this study � zs a 144 count fiber optic ring with path diversity into each of the <br />hub sites. Figure 1 shows the proposed ring design, which encompasses approximately <br />39 miles of fiber optic cable construction. <br />Figure 1: Potential Physical Backbone Routing <br />,ii[ Caui� Mvy i � S 2 .. .� _ . �• 1 � � ncmL44 . <br />� ' � 5F3r� _ - ti I � � �� �- �nk �ak � � <br />��'•� � ; M/� IG6� .�. � F`�vi� ��r <br />� � ' � • ' f. � <br />� F • a • , � • + <br />.. _ � 7� Gt�i I • i • � � �45t <br />�, � ir �� �i.�,s�r� ' . ��k�,wW� Cr fL <br />; . . }� � ��* r� r �.�� <br />� . . � . . +bri� cvh i m�L}jL . _ . <br />_h .ta� � � .. ..... <br />� � , � L_C '} . . . .Y' � . <br />, y Y� <br />• 1�R� St II �.. � � r Si � r+- .� . _ . - <br />. . . . _ . . . �_'I_'_ ' � ' ' ' _' ' <br />, _ . . �� . . • R . <br />��2� i y� �. �� . Yaoms Filp'ti <br />, . . _ � .. <br />,4h t tiM' . ��. x '... . , titisub • <br />_ . az <br />L»a <br />; L_ � , .; • � --� • +�a r �nrWl.r.� . �� <br />r �iv � � • �. �[FI�� YC[4. •L•+'h rr� TM �'- RD — 4tja�iRr� • <br />�� o- � <br />. ufi . .a � • ' �y. I+v <br />* . �r _� L�6r L..i[i .� m <br />.� �. 1cA'+ "�� xyrsy��'.,r �- • " . � , � <br />, � • � • � _ +yVa ' [df � . <br />. i �� � F'MRr� �`� - � <br />_ �� � 44 . _ '.JS' 3G I• 5'h <br />� �:� . � .S� ii . • . . . <br />� '� <br />� �. � . • �� � • .., _. <br />--8 _^ r�'' . , K ' � Ir '� �. � S: .-:� <br />„ ' , '��^ J <br />.. x, �.;.. 21 �� _ �iui��L' RS? � <br />�n - � � �. <br />.._. • � ,� � ' �- • • '•„� � - �� <br />� • . x•. . <br />..���• ,Er,q • '� • �F - r�.� ," - <br />�.._,t�� . ... .... s�cr '' "k . <br />�...�; . . _..- - .- - ' - ��_--=.�. �:.-,-- .r,�� . ,-- <br />�r � - . ... . �,�; � <br />� a�,� � . . � ��:_ � �.,�: : � =x� � ���- � ,,� . <br />:...�:}� -=i- v . . - . -- . ��. . <br />�,;� � M. � . m= .',�.: . <br />� 11,�' . . . } � � � � t� a� ti+a' , � <br />—�=xw � <br />� � . F 1•�� ' F ' ' �ir � ' tG ' � <br />i*i�. � � • � C. n : m . ' ti�+�Y• !} . . . � <br />' 1� I: : � ' r..•_. .. . � .w •�,—: •� ��} � <br />. at,..•... sz• . ��� . . sa �QEw :.y. w, , . � <br />, �s,a' ; • �L[ �"�wi _ �� . � ri' I�,iv'�rt � � • u�.v ¢ <br />From the backbone ring, fiber optic laterals are constructed �a provide connectivity to the <br />remaining NSCC sites. Minimizing lateral length has two benefits: (1) it decreases the <br />construction costs by decreasing the amount of fiber optic plant needed, and (2) it <br />increases the reliability of the network by shortening the single point of failure for fiber <br />optic cuts. <br />Lateral fiber optic connections are small count fiber optic cables that provide connectivity <br />back to hub sites and eenl�'a�. networking equipment. CTC recommends a minimum of <br />all teat and diagraiiis �O CTC 2007 <br />