\catcode`@=11
\expandafter\ifx\csname graph\endcsname\relax \alloc@4\box\chardef\insc@unt\graph\fi
\catcode`@=12
\setbox\graph=\vtop{%
  \baselineskip=0pt \lineskip=0pt \lineskiplimit=0pt
  \vbox to0pt{\hbox{%
    \special{pn 8}%
    \special{pn 20}%
    \special{pa 0 2250}%
    \special{pa 0 1500}%
    \special{pa 750 1500}%
    \special{pa 750 2250}%
    \special{pa 0 2250}%
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    \rlap{\kern  0.375in\lower 1.999in\hbox to 0pt{\hss CLNP\hss}}%
    \special{pa 1750 2250}%
    \special{pa 1750 1500}%
    \special{pa 2500 1500}%
    \special{pa 2500 2250}%
    \special{pa 1750 2250}%
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    \rlap{\kern  2.125in\lower 1.999in\hbox to 0pt{\hss CLNP\hss}}%
    \special{pa 3000 2250}%
    \special{pa 3000 1500}%
    \special{pa 3750 1500}%
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    \rlap{\kern  3.375in\lower 1.833in\hbox to 0pt{\hss TP0\hss}}%
    \rlap{\kern  3.375in\lower 1.999in\hbox to 0pt{\hss X.25\hss}}%
    \special{pa 4750 2250}%
    \special{pa 4750 1500}%
    \special{pa 5500 1500}%
    \special{pa 5500 2250}%
    \special{pa 4750 2250}%
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    \rlap{\kern  5.125in\lower 1.999in\hbox to 0pt{\hss X.25\hss}}%
    \special{pa 375 2250}%
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    \special{pa 2125 3250}%
    \special{pa 2125 2250}%
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    \special{pa 5125 3250}%
    \special{pa 5125 2250}%
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    \special{pa 1750 1000}%
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    \special{pa 2125 1500}%
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    \special{pa 1250 2750}%
    \special{pa 4250 2750}%
    \special{da  0.050}%
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    \special{da  0.050}%
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    \special{pa 1250 2750}%
    \special{da  0.050}%
    \special{ar 2750 1617 500 500  3.646  5.780}%
    \special{pa 2339 1275}%
    \special{pa 2313 1375}%
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    \special{pa 2383 1300}%
    \special{pa 2313 1375}%
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    \rlap{\kern  0.375in\lower 0.791in\hbox to 0pt{\hss OSI TS\hss}}%
    \special{pa 375 1500}%
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    \special{pa 400 1100}%
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    \special{pa 350 1100}%
    \special{pa 375 1000}%
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    \special{pa 5125 1500}%
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    \special{pa 5150 1100}%
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    \special{pa 5100 1100}%
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    \special{sh}%
    \special{pa 1250 3833}%
    \special{pa 1250 3750}%
    \special{pa 4250 3750}%
    \special{pa 4250 3833}%
    \special{pa 1250 3833}%
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    \rlap{\kern  2.750in\lower 4.124in\hbox to 0pt{\hss TS-BRIDGE NODE\hss}}%
    \kern  5.501in
  }\vss}%
  \kern  4.125in
}
