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US $37.95
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US $497.99
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US $149.97
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US $299.99
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US $768.16
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US $12.99
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US $587.25
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US $241.99
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Cisco 3640 Series Router~Excellent for your Office Network!
US $899.99
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ADTRAN 1700525E2 -Adtran NetVanta 1335 Multi-Service Access Router wit
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US $603.70
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US $775.00
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needed: 8 ATLAS 550 T1/PRI Network Modules. I prefer p/n 1200314L2. I use these with voice telephony cards.?

I need 8 (or more) independently configurable interface cards for DS-1, DSX-1 and PRI operation Supporting Drop/Insert and 1/0 Digital Cross-Connect (DACS)applications with T1 and PRI circuit that Supports Frame Relay applications. it must have T1 Inverse Multiplexing ability and NxT1 HSSI/V.35 or NxT1 HSSI

I have 4 ATLAS 550 T1/PRI (dual) Modules MODEL: 1200314L2 ADTRAN 5200314-20B and would prefer the EXACT same cards. where is a reputable source where i can find these? Is anyone familiar with telephone voice telephony? Hopefully these will not slow down the Adtran Atlas 550. It will be loaded to the GILLS! Has anyone used one of these CSU DSU 's in the past?

Thank you!

Go to the adtran site www.adtran.com they can point you to a local reseller. The product is a great product. Adtran has great tech support

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