LAN over LVDS Satellite Modems
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.
The LV2000 product has now been superceded by the much more flexible and fully manageable MetroCONNECT LVM2000 product which offers advanced functionality.
LAN Extension over EIA-644/LVDS
- 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
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).
This application shows how the LV2000 can be used to deliver LAN over LVDS satellite modems.
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.
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.
|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|
|LEDs||Tx / Rx packet|
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
|Storage Temp||-20 to +70 deg C|
|Temp||0 - 50 deg C|
|Humidity||0 - 95%, non condensing|
|Pressure||86 - 106 KPa|
|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)|
Networking The World