Overture 24 and 26

Overture 20

• Network side interface 10/100BaseTX
• Connector: RJ45 (Auto-negotiation/Auto MDIX)
• Client side interface 10/100BaseTX
• Connector: RJ45 (Auto-negotiation/Auto MDIX)

Overture 24, 26 and 26S

• Network side interface 10/100/1000BaseTX/FX/LX/SX/ZX (depends if SFP is used)
• Connector: SFP module or RJ45
• (Auto-negotiation/Auto MDIX)
• Client side interface 10/100/1000BaseTX/FX/LX/SX/ZX (depends if SFP is used)
• Connector: SFP module or RJ45
• (Auto-negotiation/Auto MDIX)

Overture 26

• Dual protected uplink option for network side optical connection

Overture 2x Features

• IEEE 802.3ah Ethernet OAM
• Two-Port MAC Relay (TPMR) function aligned with IEEE's 802.1aj, 802.1ad, and 802.1ag/ITU-T Y.1731 drafts

Loopbacks

• Layer 1, Layer 2 (MAC Swap), Layer 3 (IP Swap),
• Layer 4 (TCP/UDP Port Swap)
• Automatically reacts to in-band loopback commands of industry-popular Ethernet test-sets
• 802.1ag/Y.1731 LB
• Individual VLAN loopbacks
• Loopback on specific IP/MAC source and/or destination address
• Thru-Traffic Per-flow statistics (per VLAN, per Ethertype, per ToS, per CoS, per MAC, per IP, etc.)
• VLAN Tagging/De-tagging
• VLAN Stacking (.1Q in .1Q)
• VLAN Tagging/De-tagging and VLAN Stacking
• (.1Q in .1Q)
• Through Traffic Wire-Speed Filtering (L2CP, BPDU, per-VLAN, Ethertype, Protocol type, MAC, IP, User Defined)
• Per-flow rate limiting (ISG 24, 26 only)
• Service mapping (ISG 24 and ISG 26)
• Protected Links (1+1) LACP/LAG
• 4:3:2 to 1 Aggregation mode
• Traffic shaping and Hierarchical Queuing (ISG 26)
• Optical Digital Diagnostics (SFF-8472) with threshold crossing alerts via SNMP traps
• Integrated Copper TDR cable integrity testing
• RFC-2544 Traffic Generator (ISG 24, 26 only)
• Dying Gasp (via 802.3ah or SNMP traps)
• Support for Jumbo frames
• Fault Propagation
• Link Loss Return

Performance Assurance

• Constant in-service monitoring of SLA parameters including:
  • Packet loss
  • Two-way delay (Round-trip Latency)
  • Two-way delay variation (Round-trip Jitter)
  • One-way delay variation (One-way Jitter)
  • Continuous End-to-End path
  • Continuity Check
• High Precision measurements 1 microsecond resolution
• Works at Layer 2 and Layer 3
• Assures SLAs per VLAN/per CoS/per ToS/per EVC
• Can work in point-to-point or point-to multipoint
• Up to 100 instances
• User settable SLA threshold crossing alerts using SNMP traps

Inline transparent performance

• Throughput: wire-speed (1000Mb/s at 100% utilization)
• Intrinsic Passthrough Traffic Latency 3.3 microseconds (at all packet sizes)
• Intrinsic Passthrough Traffic Jitter<0.1 microsecond (at all packet sizes)
• Intrinsic Latency for Intelligent Loopback <0.8 microsecond (at all packet sizes)
• Intrinsic Jitter for Intelligent Loopback <0.1 microsecond (at all packet sizes)
• Optional Network-Client Power Fail-over bypass mode if used as Electrical to Electrical

Management

• In-band remote management over the Ethernet customer line via Network side interface
• Local Management craft port: 10/100BaseT, RJ45 connector
• Serial RS-232 Management port: RJ45 connecter
• Secure Web GUI via SSL
• Secure CLI command prompt via SSH
• SNMP v1, v2C
• Management VLAN
• 802.3ah EFM OAM
• NTP client
• Remote and Local Syslog
• RADIUS Authentication
• Telnet
• DNS Client
• DHCP Client
• Configuration import/export
• FTP, TFTP, SFTP, HTTP

Physical

• 1.60" H x 5.34" W x 5.80" D
• Mounting:
• Desktop
• Wall-mount
• Rack-mount (2 units side-by-side in 1U)
• Power options all included as standard and redundant between each other
• External AC/DC adapter (120-240 VAC autosensing, 50-60 Hz), 5 VDC input to unit
• Dual (A/B) -48 VDC or 24 VDCCentral Office Supply inputs
• Power Consumption: 9 watts ISG 20 and 24 9 Watts, ISG 26 12 watts
• Cooling: convection cooled (no fans)

Certifications

• IEC 60950
• FCC Part 15 Class A
• Industry Canada CS-03
• CE Marking
• NEBS Level 3 Certified
• MEF9 Service Certification
• MEF14 Traffic Management

Operating Temperature

• -5° to +65° C (standard product)
• -40° to +65° C (hardened product)

Storage Temperature

• -40° to +70°C

Humidity

• 5% - 95% non-condensing