LV2000: LAN over LVDS Extender

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Metrodata's LV2000 enables the transmission of LAN frames over an EIA-644/LVDS connection, e.g. operating with satellite modems offering LVDS interfaces, and thereby providing a low cost alternative to HSSI for operation at up to 52Mbps.

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LAN over LVDS Satellite Modems

LV2000: Enabling ethernet over LVDS satellite modems

  • Low-cost LAN extension over EIA-644/LVDS links, Crypto or Sat modem
  • Crypto Auto Resync function
  • 10 / 100BaseT auto-negotiating LAN port
  • Filtering of local packets
  • Efficient HDLC packet handling on WAN port
  • EIA-644 LVDS interface at up to 52 Mbps
  • Asymmetric operation
  • Easy to install & maintain
  • Integral auto-sensing power supply (100-250V AC or -40V DC versions)
  • 12-24V DC power supply available on request
  • Compact modem style unit, built to European standards
  • Rack mounting kits for 2 or 18 units available

Transporting Ethernet over LVDS satellite modems using the LV2000

LV2000: Enabling ethernet over LVDS satellite modems using the LV2000

This application shows how the LV2000 can be used to deliver LAN over LVDS satellite modems.

Transporting LAN via LVDS encrypters over LVDS satellite modems using the LV2000

Transporting Ethernet over LVDS satellite modems via an LVDS encrypter using the LV2000

This application shows how the LV2000 can be used to deliver LAN over LVDS satellite modems via an LVDS encrypter, such as the KIV-7M. The LV2000 supports an auto crypto resync function which will automatically detect a loss of encrypter synchronisation and resync the encrypters.

Transporting LAN over HSSI satellite modems via an LVDS encrypter using the LV2000 and BC1000

LV2000: Enabling Ethernet over HSSI satellite modems via an LVDS encrypter

This application shows how the LV2000 and BC1000 can be used to deliver Ethernet over HSSI satellite modems via an LVDS encrypter, such as the KIV-7M. The LV2000 supports an auto crypto resync function which will automatically detect a loss of encrypter synchronisation and resync the encrypters. This same network topology can also be used with radio relays systems.

The LAN port of the LV2000 is a 10/100BaseT auto-sensing interface supporting an auto crossover connection and presented on an RJ45 connector. The unit’s operating mode is configured by setting bit-switches mounted on its base.

The LV2000 LVDS interface is presented as DTE and will operate at data rates up to 52Mbps maximum. The LV2000 will operate in a standard bi-directional, symmetric mode as well as uni-directional or asymmetric applications. The LVDS port complies with the electrical specification EIA-644.

It also operates with the latest generation of high speed crypto units with LVDS interfaces, offering an auto crypto resync function that will generate a resync request to the encrypter if the LV2000 senses that the data stream coming from the encrypter has lost synchronisation.

To give maximum flexibility for connection to encrypter units, the resync request signal may be active high or active low, and be presented as a balanced LVDS or unbalanced LVTTL signal.

Cables to connect the LV2000 to a KIV-7M crypto are also available.

The LV2000 supports a maximum packet size (MTU) of 1536 bytes which is sufficient to transport double VLAN tagged frames (Q-in-Q).

Subscriber Port
Presentation 10/100 Base-TX, RJ45, Auto MDI/MDIX
LED Support Link / Activity & Speed
Operating Mode Auto-negotiate 10/100, Full or Half Duplex
Port filtering mode 148810 packets per sec
MAC address table 4096 entries
Packet size 64 bytes minimum
1536 bytes maximum

WAN Port (Satellite Modem) LVDS up to 52Mbps
Presentation 25 way D-type male
Frame Mode Unframed
Timing DCE Supplied
Encapsulation HDLC
LEDs Tx / Rx packet
Compliance EIA-644

Integral Power Supply
-48 VDC Supply -40 to -72 VDC, 165 -95mA
AC Mains 100 - 250VAC, 50 - 400Hz, 65 - 28mA, IEC Connector
Power Consumption 6.5 watts approx when operating

Compliance & Approvals
Safety EN41003, EN60950
EMC EN550022, EN50082

Environment
Storage Temp -20 to +70 deg C
Temp 0 - 50 deg C
Humidity 0 - 95%, non condensing
Pressure 86 - 106 KPa

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)
Part Number
Product AC Mains: 100 - 250 VAC DC Power: - 48 VDC
80-05-558 80-21-558
2 Unit Rack mount Kit 80-05-256 80-05-256
18 Unit Rack mount Kit 80-05-250 80-05-255
LV2000 to KIV-7M cable (red side) 80-415-0019 (1.5m) 80-43-0019 (3m)
Quad Unit available on request

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

MetroCONNECT Ethernet Service Delivery Products - Standalone Units
MetroCONNECT Ethernet Service Delivery Products - Chassis System
Ethernet Extenders
LVDS Converters

Networking The World Since 1989