8-Port DS3/E3 ATM Module for the
®
™
CBX 500 and CBX 3500
Multiservice Switches
The 8-Port DS3/E3 ATM Input/Output Module provides industry-standard DS3 physical
connections and service interfaces to the CBX 500® and CBX 3500™ switches, and E3 physical
connections and service interfaces to the CBX 500® switch. The ports provide trunk or user
connections at data rates of 45 Mbps (DS3) or 34 Mbps (E3). You can use this module to provide
high-density, high-speed ATM access services. You can also consolidate traffic from multiple
access lines or from lower capacity multiservice switches for more cost-effective transport over a
high-speed ATM multiservice backbone. The 8-Port DS3/E3 ATM module can help you reduce
transport costs and increase revenue opportunities from high-density access services.
Applications
Benefits
• Provide high-density, high-speed
ATM access
• Deliver the flexibility, QoS support, and performance required for high-
speed multiservice networking
• Consolidate low-speed ATM
access services
• Increase revenue potential by offering high-density services from a
compact chassis
• Concentrate large volumes of high-speed ATM traffic cost-effectively
®
• Reduce operating costs and simplify network management with Navis
network management software
Features
• High port density — up to 112
DS3/E3s per switch
• Independent logical port
configuration
Technical Specifications
Description
Specifications
• Signaling support for 3,000 new
VCs per second
1.Protocol Features Supported
Standards Support - DS3
ITU G.703, G.804
ANSI T1.102, T1E1.1/94-002RI,
T1.107, T1.107a, T1.403
• All ports operate at line speed
• Generous port and switch cell
buffers ensure data integrity
ATM Forum UNI 3.0, 3.1
Telcordia TR-NWT 001112,
TR-TSY-000499, TR-NWT-000820
RFC 1407
• Optional Flow Control Processor
ensures network fairness and QoS
TR54014 (AT&T ACCUNET T45
and T45R)
• Hot swappable
Standards Support - E3*
ITU G.703, G.705, G.751, G.832, G.804
ATM Forum 94-0406R4
RFC 1407
* E3 support available on CBX 500 only.
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