ADSL2+ Mini 48-port IP DSLAM ZyXEL IES-1248-51A

48-port Temperature-Hardened ADSL2+ Box DSLAM with Annex A ADSL2+ Line and splitter over POTS IES-1248-51A (AC220V)

• Application flexibility with asymmetric data transport of 24 Mbps downstream and 2.4 Mbps upstream per port
• 2-port bonding as well as Loop condition diagnostic feature support
• Compliant with ITU, ANSI and ETSI standards
• POTS/ISDN in overlay mode
• Deployment from CO, cabinet or basement, multi-tenant units/multi dwelling units

ADSL2/ADSL2+ Interface

• Support G.992.1 Annex A
• Support G.992.3 Annex A, Annex L, Annex M
• Support G.992.5 Annex A, Annex M
• Support G.994.1 G.hs
• 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
• SELT and DELT

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
• 8 PVC per port
• Support upstream rate limiting per PVC
• Support G.998.1 ADSL 2-port bonding

IP Functionality

• Support ICMP (Internet Control Message Protocol) function, and respond the ICMP request message sent from NMS or other system
• IP bridging

Subscriber Management

• Support the Ethernet MAC filtering function
• Support 14k 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
• Support configurable MTU (1526~1600 bytes)
• Support TR-101 compliant PPPoE intermediate agent
• Support DHCP option 82 feature per port or per VLAN
• Support DHCP snooping and static IP address feature
• Support TR-101 compliant DHCP option 82 packet format

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
• Support per-VLAN isolation
• Support OUI filter 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 512 multicast groups
• Support 50 members for each multicast group
• Support IGMP v3 packet recognition
• Support multicast group filter function

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

• Power Rating: 100-240VAC, 50-60Hz, 1.7A max.
• Power Consumption: 100 Watt max.

Physical Specifications

• 19” and 23” Rack-mountable
• Force cooling by FAN
• Temperature hardening
• Built-in splitter
• Dimension: 442.7 (W) x 250 (D) x 66 (H)mm (17.3” x 9.88” x 2.6”)
• Weight: 7.2 Kg (15.87lb) 

Environmental Specifications

• Operating Temperature: -40°C to 65°C (-40°F to 149°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Operating Humidity: 10% to 95% (non-condensing)
• Storage Humidity: 5% to 95% (non-condensing)