ZyXEL Communications IES-1248-51 User Manual

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The fastest speed with the most
advanced and flexible DSL
transport available, adjustable
speeds for multiple service
offerings down/up stream Up to
24/1.2 Mbps

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Application flexibility, with
asymmetric data transport over a
single copper pair (software
configurable)

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Compliant with ITU, ANSI and ETSI
standards

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POTS/ISDN in overlay mode

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Deployment from CO, cabinet or
basement, multi-tenant units/multi-
dwelling units

A complete offering for High bandwidth
asymmetrical services — residential data,
voice, and multiple video channels

Benefits

Better utilization of bandwidth

The IES-1248-51 (DC Power Input) is an IP-based DSLAM that terminates all the ATM circuits and converts

traffic directly to deliver the most popular broadband IP services. It also provides a distinct advantage over

typical ATM-based DSL access system due to the fact that IP is the natural approach for data transmission.

It offers better bandwidth utilization, ease of use, as well as the low-cost advantage. With the highly

compact and temperature-hardened design, simple installation and easy adaptation to local POTS/ISDN

splitter requirements, the IES-1248-51 can be deployed in indoor and outdoor enclosures.

A robust, capable ADSL2+ solution

With this standalone ADSL2+ IP DSLAM, service providers can offer residential and business users access to

high-bandwidth services on demand; such as streaming video, online gaming, multimedia applications

and multiple video channels on a single network connection. The IES-1248-51 also offers medium/small

businesses and home offices IP connectivity, VPNs, VLANs, high-quality video conferencing, long-reach

Ethernet and legacy service interconnection, as well as asymmetric connectivity as fast as 24Mbps. The IES-

1248-51 DSL solution for POTS/ISDN is a sophisticated ADSL2+ device wielding full compliance to existing

standards, the latest DSL technology, compactness, low power consumption, integration with existing

platforms and network managemeability. The combination of a superior line code, modern signal

processing techniques and state-of-the-art ASIC design add up to a compact, energy-saving ADSL2+

modem with excellent performance, transparent backward ADSL/ADSL2 compatibility, robust interference

resistance and flexible configurability.

Hardened ADSL2+
Mini IP DSLAM

ies-1248-51

Service Applications

• A complete service offering bundling data, voice and video services

• Residential: broadband Internet access, streaming audio and video, gaming, high quality video

distribution, VoD, and telecommuting

• Medium and small businesses: IP connectivity, VPNs, VLANs, high quality video conferencing, long reach

Ethernet or legacy service interconnection, asymmetric to 24 Mbps

• Low cost reliable transport for backhauling applications, such as mobile base station connectivity

over ADSL

• VoDSL services, legacy services and WAN interconnection, bridging or routing, VPNs, provided through

appropriate CPE

• Cost-effective broadband access for higher margin services such as VoD, gaming, and multimedia

applications

Specifications

ADSL2/ADSL2+ Interface

• Support G.992.3 and G. 992.5 ATM Transmission

Convergence (ATM-TC) function

• Support G.992.3 and G.992.5 Spectral Mask

• Support EOC and Overhead Channel Access

defined in ITU-T Rec. G.992.3 and ITU-T Rec.

G.997.1

• Support the latency path function specified in

ITU-T Rec. G.992.3 and G.992.5

• Support loop diagnostic function specified in

ITU-T Rec. G.992.3 and G.992.5

• Support the power management capability

specified in ITU-T Rec. G.992.3 and G.992.5

• Support the capability of the Seamless Rate

Adaptation (SRA) on-line configuration specified

in ITU-T Rec. G.992.3 and G.992.5

Network Interface

• IEEE 802.3u 100BASE-Tx

• IEEE 802.3ab 1000BASE-T

• IEEE 802.3z 1000BASE-Lx/1000BASE-Sx

• SFP mini GBIC

ATM Functionality

• Support Point-to-Point Virtual Circuit Connection

(VCC) in the Network

• Provide the Peak Cell Rate (PCR) configurable

parameter for UBR services specified in ATM

Forum Traffic Management 4.0

• Provide the Peak Cell Rate configurable

parameter for CBR services specified in ATM

Forum Traffic Management 4.0

• Provide the Peak Cell Rate (PCR) and Sustainable

Cell Rate (SCR) configurable parameters for rt-

VBR and nrt-VBR services specified in ATM Forum

Traffic Management 4.0

• The over-subscription of bandwidth is permitted,

i.e., total DSL bandwidth can be larger than

bandwidth of DSLAM network interface for UBR

service

• Support the downstream traffic shaping function

for each ATM PVC connection

• Support the Fault Management (FM) functions of

the ATM layer F5 OAM cells for End-to-End

Loopback defined in ITU-T Rec. I.610

• Support 64k PVC

IP Functionality

• Support ICMP (Internet Control Message

Protocol) function, and respond the ICMP request

message sent from NMS or other system

Subscriber Management

• Support the Ethernet MAC filtering function

• Support 64k MAC addresses

• Support the DHCP relay agent option 82 function

• Support 802.1x

• Support port isolation function

• Support RFC2684 bridged mode payload

encapsulation method

• Support the IPSec/L2TP/PPTP VPN pass-through

function

• Support RFC2516 PPPoE packet forwarding

function

VLAN & VLAN Bridge Functions

• Provide 1024 configurable VLANs

• The VLAN tagging complies with IEEE 802.1Q

• Support VLAN bridge function of mapping of

multiple PVCs to one VLAN ID

• Support the IEEE 802.1Q VLAN tagging

• Support GVRP function

Reliability

• Support 802.1w RSTP

QoS

• Support configurable IEEE 802.1p priority queue

function and support 4 levels

• Support configurable mapping function between

ATM PVC and 802.1p priority queue

Multicast capability for
IP network interface

• Support RFC2684 bridged mode multicast

service

• Support Internet Group Management Protocol

(IGMP) version 2 specified in RFC2236

• Support IGMP snooping function

• Support 256 multicast groups

• Support 144 copies for each multicast group

Management

• Local management through a craft terminal

• Support the In-band IP interface for managing

the Network

• Support SNMP (Simple Network Management

Protocol) v1.0 & v2c (RFC1157)

• The management activities can be performed by

SNMP operations

• Support SNMP MIB(s)

• Support standard SNMP traps so that these traps

can be reported to other NMSs

• Centralized Management Software —

EMS supporting

Hardware Specifications

Hardware Configuration

• Two TELCO-50 connectors for 48-port

ADSL/ADSL2/ADSL2+

• Two TELCO-50 connectors for 48-port splitter card

• One mini RJ11 console port for local

management

• Two 100Base-Tx/1000Base-T or two mini GBIC for

uplink/subtending

• One DB9 for 3 in and 1 out alarm contact

• Hot-swappable fan module

• DC Input connector

Power Requirements

• Voltage: -48 VDC (-36 ~ -72 VDC)

• Power: max. 90 Watts

Physical Specifications

• 19” and 23” Rack-mountable

• Force cooling by FAN

• Temperature hardening

• Built-in splitter

• Dimensions: 439.8 (W ) x 251 (D) x 66 (H) mm

• Weight: 7.2 Kg

Environmental Specifications

• Operating Temperature: -40°C ~ 65°C

• Storage Temperature: -40°C ~ 85°C

• Operating Humidity: 10% ~ 95% (non-

condensing)

• Storage Humidity: 5% ~ 95% (non-condensing)

Certification

• EMC/ESD: FCC part 15 Class A; EN 55022, EN

55024 Class A; ETS 300 386

• Safety : ITU-T K.20, Appendix C; CSA 60950; EN

60950; IEC 60950; UL 60950

• Reliability: ETS 300 019

• NEBS Compliant

For more product information, visit us on the web www.ZyXEL.com

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Copyright © 2006 ZyXEL Communications Corp. All rights reserved. ZyXEL, ZyXEL logo are registered trademarks of ZyXEL Communications Corp. All other brands,
product names, or trademarks mentioned are the property of their respective owners. All specifications are subject to change without notice.

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65-100-124803G 09/06