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Passport 8250 Installation Guide R2.2
Chapter 1
Passport 8250
This section describes the Passport 8250 device. You can view the following
topics in this section:
• “Passport 8250 functions” (page 15)
• “Passport 8250 hardware” (page 16)
• “Passport 8250 software” (page 19)
• “Related documents” (page 19)
Passport 8250 functions
The Passport 8250 is an Integrated Access MUX, a rugged, high-density unit
that provides a seamless bridge between traditional voice networks and ATM
networks. The Passport 8250 multiplexes TDM traffic - voice, video, IP,
frame relay, X.25, and SNA - on DS-1/E1 trunks to OC-3c/STM-1 fiber
trunks (ATM over SONET/SDH). Using ATM Forum AAL1 circuit
emulation standards,traditional voice network traffic(dial-up Internet access,
modem data traffic, telephony, and more) is seamlessly transported over the
efficient, high-bandwidth ATM network. Deployed at either the service
provider setting or customer premises (campus, apartment building, or office
center, for example), the high-density unit supports up to 48 DS-1/E1 ports,
up to 336 DS-1s/E1s in a single frame.
See “Passport 8250 device” (page 16) for an illustration of the Passport 8250.