MetroConnect: Ethernet Service Delivery Platform

Metrodata Limited

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The Metrodata WCC_Serial provides a high performance Ethernet over Serial LAN extension function for the MetroConnect chassis.
WCC_Serial MetroConnect Ethernet over Serial Module

WCC_Serial: Ethernet over Serial Demarcation Module

WCC_Serial and WCM_Serial offering Ethernet over Serial LAN Extension at the edge of the core network
  • 10/100/1000BaseT Copper Port
  • SFP socket supporting:
    • 1000Base-X
    • 100Base-FX
  • Optional:
    • Fibre over Serial
    • Copper over Serial
    • Fibre and Copper over Serial
  • Link State Forwarding
  • Jumbo Frame Support (10kbyte)
  • 802.3ah OAM Support
  • 802.1q VLAN support (pass-through and tag switching)
  • 802.1p priority queuing (4 queues)
  • RSTP support
  • TACACS+ for secure authentication
  • “Hot Swap” IO Module
  • Store and Forward Media Conversion
  • Interoperates with WCM_Serial customer site unit

MetroConnect supporting Multiple Ethernet Demarcation LAN Extension Devices

WCC_Serial for Ethernet Demarcation Applications

This application shows how WCC_Serial modules within a MetroConnect (or MetroRack) chassis can be used to perform an Ethernet over Serial LAN Extension function. Electrical connection into the core network potentially improves port density and therefore utilisation levels, but fibre connectivity is also available. The WCM_Serial is a standalone version of the WCC_Serial module offering Ethernet service demarcation at the customer site.

The WCC_Serial is an I/O module for use in the MetroConnect and MetroRack systems.

The WCC_Serial occupies a single slot in the MetroConnect MC12000 or MetroRack chassis and is fully “Hot Swap” compliant to ease maintenance and the provisioning of new services.

Each Module supports Ethernet over Serial LAN Extension and Ethernet Demarcation functionality and supports Copper, Fibre or Copper and Fibre over Serial operating modes. Link Loss transparency / forwarding is supported.

Optionally, the WCC_Serial may be enabled to support OAM link management according to IEEE802.3ah. When OAM is disabled, the WCC_Serial operates in a fully transparent LAN Extension mode.

The future WCC_Serial development roadmap includes support for IEEE802.1ag and Y.1731 OAM standards.

Alternatively the WCC_Serial may be fitted into the MetroRack chassis, offering exactly the same media conversion features but without the OAM management.

The SFP port auto senses the SFP type inserted, based on the Module Definition and configures the port for 100BaseFX or 1000Base-X operation.

The WCC_Serial supports auto-negotiation, and auto MDI/MDIX cross-over switching on the copper interface.

The WCC_Serial supports the transmission of Jumbo frames.

WAN Port Specs
Interface Cisco compatible Serial
Presentation
 60 way Female D Type
Line Rate 15Mbps (max)
Cabling examples Use CABX21-MT for connection to X.21 NTU
Use CABV35-MT for connection to V.35 NTU

1000Base-X Fibre Interface
Port IEEE802.3z 1000BaseX
Interface Dual LC connectors

SFP 1000Base SX
Wavelength 850nm multimode
TX Power -9.5 to -3dBm
Max Rx input power 0dBm
Rx sensitivity -17 to 0dBm
Optical loss budget 7.5dB (550m)

SFP 1000Base LX
Wavelength 1300nm singlemode
TX Power -9.5 to -3dBm
Max Rx input power -3dBm
Rx sensitivity -19 to -3dBm
Optical loss budget 9.5dB (10km)

10/100/1000BaseT Electrical Interface
Port 10/100/1000BaseT with auto-negotiation
Interface RJ45 (Auto Crossover MDI/MDIX)
Operating modes
 Auto Negotiate, 10M, 100M, 1000M, Full Duplex, Half Duplex
LEDs Link Activity, Speed

Compliance & Approvals
Safety EN60950, IEC-60825-1 (Class 1 Laser Eye Safety)
EMC EN55022, EN50082

Environment
Temperature 0 - 50 deg C
Humidity
 0 - 95% RH, non condensing
Pressure 86 - 100 KPa
Storage Temp -40 to 100 deg C

Product Order Code
WCC_Serial 80-16-545

Commonly used SFP transceivers Order Code Description
1Gbps Multimode 550m 850nm
 80-31-011
 Multimode interface
fibre optic loss budget 7.5dB
1Gbps Singlemode 10km 1300nm
 80-31-031
 Singlemode interface
fibre optic loss budget 9.5dB
1Gbps Singlemode 40km 1300nm
 80-31-033
 Singlemode interface
fibre optic loss budget 18dB
1Gbps Singlemode 80km 1550nm
 80-31-042
 Singlemode interface
fibre optic loss budget 20dB
100Mbps Multimode 2km 1300nm
 80-30-021
 Multimode interface
fibre optic loss budget 8.5dB
100Mbps Singlemode 10km 1300nm
 80-30-031
 Singlemode interface
fibre optic loss budget 13dB
100Mbps Singlemode 40km 1300nm
 80-30-033
 Singlemode interface
fibre optic loss budget 20dB
100Mbps Singlemode 80km 1550nm
 80-30-042
 Singlemode interface
fibre optic loss budget 29dB

Other SFPs are available on request including long haul, 1550nm, CWDM and bi-directional.

Whilst the MetroConnect product range uses industry standard user exchangeable SFPs, it is recommended that these are purchased from Metrodata to guarantee their specification and compatibilty with each other.

If you require another SFP please contact our sales team with your requirements.

MetroConnect Ethernet Service Delivery Products

Ethernet Media Converters