Caracteristicii:

• 1U height, ETSI shelf
• Replaceable FAN and Air Filter
• Power Module: -48Vdc (Over-voltage protection and Load sharing)

• 2 Combo GbE with SFP housing and RJ45 Connector
• 802.3ad Link Aggregation
• RSTP/MSTP

• 2 slots for hot-swappable plug-in cards:
  • Up to 2 Dual STM-1/OC-3 cards with MSP(1+1)/cross-card MSP(1+1)
  • Up to 1 Dual STM-4/OC-12* card
• Ethernet Tributary interface:
  • 3 x 10/100/1000 BASE-T Ethernet ports plus 1 user-selectable Ethernet/SNMP port
  • Speed/Duplex Auto-negotiation
  • 802.3ad Link Aggregation
• On-board E1/ T1 Interface
  • 8*/16*/32 E1/T1 with SCSI connector

• 10G non-blocking switching capacity
• Jumbo frame size up to 13K bytes
• IS-IS packet transparency*
• VLAN
  • Maximum 4K VLAN ID
  • Support C-VLAN/S-VLAN tag adding and removing on Pseudowire
  • 802.1q Port-based VLAN on Ethernet port
  • VLAN-based packet filtering
  • Support Q-in-Q
• Support 802.1d MAC Learning (max. 32K)
• Support 803.3x Flow control on input ports
• Support 802.1D STP, 802.1s MSTP, 802.1w RSTP
• Support IGMP Snoopingv2 (RFC 2236)

• Ingress Rate Limiting per Ethernet port with 100kbps granularity
• Ethernet Network Level:
  • 3-bit Priority Code Point – PCP field within 802.1P/802.1Q Ethernet frame – CoS
  • 8 priority queues per port
• IP Network Level
  • 8 priority queues per port
  • 6-bit DiffServ Code Point -DSCP field – ToS
• Scheduling Algorithm
  • Strict Priority (SP)
  • Weighted Round Robin (WRR)
  • Deficit Weighted Round Robin (DWRR)
• Congestion Avoidance
  • Random Early Detection (RED)
  • Weighted Random Early Detection (WRED)

• Support SAToP, SONET/SDH CEP*, CESoPSN, MEF-8*
• Support framed/unframed E1/T1
• Support VC4 transparent/channelized STM-1 and STS3C transparent/channelized OC-3
• Support TDM traffic emulation over MPLS*, UDP/IP and Metro Ethernet Network*
• Support Timeslot Grooming
• Backplane capacity: up to 252xVT11/VT12 bandwidth
• Maximum 128 Pseudowires
• Maximum 512* Pseudowires
• Up to 32 Pseudowires can apply Adaptive Clock Recovery (ACR) mechanism
• PDV Compensation Depth: up to 512 ms
• Jitter Buffer Size: up to 256 frames
• Supports IPv4 and IPv6* addressing
• Excel calculator is provided*

• ARP, Ping and Trace Route
• IP – MAC Table Display
• Pseudowire Information
  • Maximum 4K VLAN ID
  • Packet Creation Time (ms)
  • Jitter-Tolerance Delay (ms)
  • Single-Trip Delay (ms)
  • Total Frame Length (bytes)
  • Packet per second
  • Required Bandwidth (Mbps)
  • Header Overhead (%)
  • Remaining WAN Bandwidth (Mbps)
  • Remaining Memory

• PPM version: conforms to G.823/G.824 Traffic Interface (+/- 1ppm)

• Internal
• External
• Line (both PDH and SDH)
• Adaptive Clock Recovery

• Support 2 SNTP Timing References
• Multi-color LED indicators
• Alarm Relay
• ACO (Alarm Cutoff) button

• 1 user-selectable Ethernet/SNMP Port
• SNMP v1/ v3
• DB9 Console port with VT100 menu
• Telnet and SSHv1/SSHv2
• C-VLAN/S-VLAN tag on management traffic
• Support IPv4 Routing & IPv6* Routing over DCC channel on SDH/SONET interface
  • Static Route, RIP I/II, OSPFv2*
  • RIPng*, OSPFv3*

• SAToP, SONET/SDH CEP*, CESoPSN, MEF-8*