WCM_Serial: Managed Ethernet Extender over Serial

Metrodata Limited

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WCM_Serial Quotation
The WCM_Serial Ethernet Extension Device is a low cost Carrier Ethernet Service delivery unit, offering end to end management using 802.3ah OAM, and customer site conversion from twisted pair 10/100/1000BaseT and 100Base/1000Base-X fibre to Serial leased line services.
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10/100/1000Base Ethernet over Serial Ethernet Demarcation Device

WCM_Serial: the "plug and play" way to connect LANs together over a serial circuit
WCM_Serial: the "plug and play" way to connect LANs together over a serial circuit
  • LAN Extension of 10/100/1000Base Ethernet over Serial services
  • 2 copper and 1 SFP fibre Ethernet connections, supporting a choice of fibre module
  • Fractional LAN Extension over X.21, V.35, EIA-530 up to 15Mbps
  • LAN Extension over RS232 up to 256Kbps
  • 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)
  • Singe-ended Cisco HDLC mode for use with Cisco routers
  • GFP mode for use with LAN Aggregation equipment
  • RSTP support
  • TACACS+ for secure authentication
  • Zero Touch, Plug and Play Interface
  • LED status indicators
  • Compact modem style unit, built to European standards
  • Integral auto-sensing power supply (100-250V AC or -48V DC versions)
  • 12-24V DC power supply available on request
  • Easy to install & maintain
  • Rack mounting kits for 2 or 18 units available

MetroCONNECT supporting Multiple Ethernet Demarcation LAN Extension Devices

MetroConnect supporting Multiple Ethernet Demarcation LAN Extension Devices

This application shows an MC12000 MetroCONNECT chassis with WCC_Serial modules, supporting multiple WCM_Serial Ethernet over Serial LAN Extension Demarcation Devices. The MetroCONNECT and WCM_Serial together offer LAN Extension and Ethernet demarcation, with remote management via 802.3ah OAM. Various service delivery options are available including fibre, copper, and fibre plus copper over a Serial circuit. Comprehensive remote network management access is available via the MetroCONNECT including end to end remote management using 802.3ah OAM. 10M, 100M and Gigabit Ethernet applications can all be supported, as can Jumbo frames.

WCM_Serial delivering Ethernet services from an MPLS core network

WCM_Serial delivering Ethernet services from an MPLS core network

This application shows an WCM_Serial unit being used as the Ethernet demarcation device to deliver a Carrier Ethernet service from an MPLS core network. A wide choice of Ethernet connectivity is available for the user via the 10/100/1000baseT and SFP fibre ports. OAM support means that the WCM_Serial can be remotely managed by the central network management system using standards based OAM packets.

WCM_Serial units performing Ethernet service demarcation and media conversion

WCM_Serial units performing Ethernet service demarcation and media conversion

This application shows how a pair of WCM_Serial units can be used to offer Ethernet service demarcation and LAN Extension functionality either over a Serial circuit.


The WCM_Serial is a switching media converter operating in store and forward mode. The WCM_Serial supports auto-negotiation, and auto MDI/MDIX cross-over switching on the copper interface.

To ensure reliable operation, the WCM_Serial supports Link State Forwarding, whereby a fault on the serial port will automatically force a link down on the user ports to indicate to the attached device that there is a link problem.

The WCM_Serial supports the transmission of Jumbo frames.

The WCM_Serial supports 802.3ah OAM which means that the Ethernet service can be managed and monitored right up to the customer delivery point. The future WCM_Serial software development roadmap includes support for LACP, IEEE802.1ag and Y.1731 OAM standards.

The WCM_Serial is provided with an SFP module with LC connector supporting for example 1000Base-SX for 550 metres operation over multi-mode fibre, or 1000Base-LX for up to 10km over a single-mode fibre.

The WCM_Serial is ordered without an SFP fitted, although customers can subsequently change their interface type. Please contact Metrodata for price and availability of SFP modules including long haul, 1550nm, bi-directional and CWDM.

Compatibility:
  Single-ended Cisco HDLC mode for use with Cisco routers
  GFP mode for use with LAN Aggregation equipment

The WCM_Serial is available in a choice of 100-250 VAC or -48 VDC integrated power supplies.

The WCM_Serial can easily be rackmounted in either a 1U two unit rackmount kit, a 6U eighteen unit rackmount kit.

The WCM_Serial is part of a wide range of LAN extension products from Metrodata.


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 and Jumbo frame support
Interface RJ45 (Auto Crossover MDI/MDIX)
Operating mode Auto Negotiate, 10M, 100M, 1000M, Full Duplex, Half Duplex
LEDs Link, Activity, Speed

Compliance & Approvals
Safety EN60950
IEC60825-1 Class 1 Laser Eye Safety
EMC EN55022, EN50082

Environment
Temperature 0 - 50 deg C
0 - 95% RH, non condensing
Storage Temp -40 to 100 deg C
Pressure 86 - 106 kPa

Power Supply Options
-48 VDC -36 to -72V DC, 125 - 65 mA
AC Mains 100 - 250V AC, 50 - 60Hz, 60 - 25mA
Power Consumption 6 watts approx when operating

Packaging
Type Modem, 1U high without feet, IP30C

Dimensions W x D x H (mm)
Rackmount 202 x 132 x 44 (without feet)
Tabletop 202 x 132 x 48 (with feet)

Order Code
Product AC Mains: 100 - 250 VAC DC Power: -48 VDC
WCM_Serial 80-70-545 80-71-545
2 Unit Rackmount Kit 80-05-256 80-05-256
18 Unit Rackmount Kit 80-05-250 80-05-255

Product variants with 12V to 24V DC operation are also available on request.

If you require further information please contact our sales team with your requirements.

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.


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