MetroCONNECT WCM-Serial: Ethernet Converter to X.21, V.35 or EIA-530 Serial

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The WCM-Serial Ethernet Converter is a low cost Ethernet to Serial (X.21, V.35 or EIA-530) service delivery unit, offering end to end management using 802.3ah OAM, and customer site conversion from twisted pair 10/100/1000BaseT Ethernet and 100Base/1000Base-X fibre to Serial (X.21, V.35 or EIA-530) leased line services.

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10Mb/100Mb/1Gb Ethernet Converter to Serial: X.21, V.35. EIA-530

WCM_Serial: the "plug and play" way to connect LANs together over a serial circuit
WCM-Serial: Managed Ethernet connectivity over a serial circuit
  • LAN extension over Serial WAN services at up to 20Mbps
  • Dual RJ45 plus single SFP flexible media port, offering local Switched Ethernet connections up to 1Gbps
  • Link Loss Forwarding
  • Jumbo Frame Support (10kbyte)
  • 802.3ah OAM Support, with IP proxy over OAM mode
  • 802.1q VLAN support (pass-through and tag switching)
  • 802.1p priority queuing (4 queues)
  • SSH & TACACS+ for secure authentication
  • RSTP support
  • LED status indicators
  • Alarm Extension Relay
  • Robust metal casing, made in the UK to high quality standards
  • Integral auto-sensing power supply (100-250V AC or -48V DC versions)
  • 12V & 24V DC PSU variants also available on request
  • Easy to install & maintain
  • Rack mounting kits for 2 or 18 units available

MC12000 supporting Multiple Carrier Ethernet Demarcation / LAN Extension Devices

This application shows an MC12000 MetroCONNECT chassis with WCC_Serial modules, supporting multiple WCM-Serial strong Ethernet to Serial (X.21, V.35 or EIA-530) 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 to a Serial (X.21, V.35 or EIA-530) 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 Mini 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 strong 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 over a Serial circuit.

The WCM-Serial is a member of the MetroCONNECT family, offering Managed local Ethernet Switching at up to 1Gbps and LAN extension over serial services. Support is offered for fractional (including Nx 64Kbps) X.21,V.35 and EIA-530 services up to 20Mbps.The WCM-Serial supports auto negotiation and auto MDI/MDI-X cross-over switching on two RJ45 LAN interfaces.A further LAN interface is provided via an SFP port, offering either an additional RJ45 connection or a variety of multi-mode and single-mode fibre interface options.

Link Loss Forwarding is supported, whereby faults on the uplink port will automatically force a link down on the user ports to indicate to the attached devices that there is a link problem.The transmission of Jumbo frames is supported, with internal packet buffering used to smooth out bursty traffic without packet loss.

Management is offered via each of; Serial Terminal connection, Telnet, SNMP or Web Browser application. Management security is offered via SSH and TACACS+ authentication. Support is also offered for ‘Carrier Ethernet’ Link OAM Management (IEEE802.3ah), enabling status information to be shared with connected equipment if required.

In line with all other members of the MetroCONNECT Ethernet Service Delivery family, the WCM-Serial supports Metrodata’s zero-touch’ installation process, minimising both on-site installation time and the Engineering skills required. Our unique ‘IP proxy over OAM’ functionality reduces on-site installation to a ‘plug and play’ exercise, simply checking that Ethernet link-up LEDs indicate correct physical connectivity. Comprehensive Telnet and/or SNMP remote management is available to the device via an IP proxy process across Layer-2 OAM traffic from an MC12000 Service Delivery chassis or another MetroCONNECT family device at the network centre, with no need for layer-3 (IP) parameters to be assigned locally. If required, individual configuration can be subsequently downloaded via TFTP.

The WCM-Serial supports VLAN in two ways. In normal mode,VLAN tagged frames are passed unmodified; however when VLAN support is enabled, the WCM-Serial supports VLAN tag-based switching whereby access may be controlled using VLAN IDs.The unit is password protected for Telnet access for security, and for SNMP is configured with a primary and multiple back-up NMS stations. SNMP access will only be accepted from an authorised NMS.

Compatibility: GFP mode for use with LAN Extension 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 rack mounted in either a 1U two unit rack mount kit , a 6U eighteen unit rack mount 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 -40 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)
Rack mount 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
80-70-54580-71-545
2 unit rack mount kit80-05-25680-05-256
18 unit rack mount kit80-05-25080-05-255

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
1000baseT Gigabit Ethernet 80-31-001 Copper Interface
RJ45 connector
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 compatibility with each other.

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

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Networking The World Since 1989