Getting To Know The Ies-1248; System Description - ZyXEL Communications IES-1248-51 User Manual

Getting to Know the IES-1248

This chapter describes the system features, specifications and applications of your IES-1248.
The IES-1248 is an IP-based DSLAM (Internet Protocol Digital Subscriber Line Access
Multiplexer) that connects ADSL subscribers to the Internet. As a high-performance but yet
compact platform, it can conveniently deliver broadband Internet access to telephone company
central offices, multi-tenant units (MTUs), hospitals, hotels, schools, university campuses and
ISPs. The IES-1248's low cost and easy management make it a perfect DSL-provider solution.
The IES-1248 platform allows for convenient management and support of ADSL technology.
Up to 48 ADSL subscribers can simultaneously utilize a wide range of powerful broadband
services.

1.1 System Description

Four Telco-50 Connectors
There are four Telco-50 connectors for ADSL and POTS connections.
1000/100 Mbps Ethernet Ports
The IES-1248 has two 1000/100Mbps auto-sensing Ethernet ports.
They allow you to:
• Connect the IES-1248 to a second-level switch
• Daisy-chain other IES-1248
Two Slots for Mini GBIC Modules
The mini GBIC (Gigabit Interface Converter) module transceivers allow flexibility in
connection options. You can use mini GBIC transceivers for fiber connections to backbone
Ethernet switches.
Stacking
Daisy-chain up to three IES-1248 (or other Ethernet devices).
Chapter 1 Getting to Know the IES-1248
IES-1248-51/51A/53 User's Guide
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