With the SHDTU-08-is-SFP Ethernet modem, copper and fiber optic networks can be combined via one device. The modems have two fiber, two copper and two G.SHDSL ports. Flexible SFP modules are used for the fiber optic interface, which can bridge up to 120 km at a speed of 100 Mbit/s via multimode or single mode fibers. Ethernet nodes can be connected via copper using two additional 10/100 Mbit/s RJ-45 ports, and G.SHDSL transmission technology allows Ethernet networks to be connected over existing 2-wire or 4-wire copper lines over distances of up to 25 km. On paired copper lines, speeds of 64 Kbit/s up to 15.3 Mbit/s per twisted pair are achieved, and with the bonding of two pairs, the speed can be doubled to 30.6 Mbit/s.

This makes the SHDTU-08-is-SFP suitable for migration to fiber optic networks. They can be integrated into existing fiber optic infrastructures without the need for additional media converters, or they can be connected initially via copper and then at a later date via fiber optics. On the G.SHDSL side, the modems automatically or manually adapt their speed to the quality of the copper line and offer interference-free operation. They support topologies such as point-to-point or multipoint operation, line, bus and ring structures. When secure mode is enabled, stable data transmission is guaranteed even with poor lines.

Transmission and data security are the important features of the SHDTU family. The requirements of DIN-27001, such as: port-based or tagged VLAN, management in own VLAN, secure access via HTTPS & SSH, password protection, SNMP v3, shutdown of unused ports, port-based MAC or IP filters, syslog and time synchronization are met. The route can be secured via VPN encryption and the modems can be used as full-fledged routers with firewall. Much emphasis has been placed on the user-friendly operation of the modems. All settings for standard operation can be made via the browser using HTTP/HTTPS on one page. The status page provides information about the quality of the line and possible errors on the device. The modem can be quickly set up via the CLI interface. All configurations can be saved to external media and retrieved again.

The SHDTU modems are often used in applications where a high level of transmission security and reliability is required, such as in utility sectors like electricity, water, gas, district heating, traffic, etc. The robust design of the modems with metal housing, DIN rail mounting, extended temperature range and redundant supply voltage of 12 – 72 VDC make them suitable for use in harsh environments.
Central 19″ solutions are available. The SHDTU modems support all standard technologies and are compatible to all ATM/EFM based G.SHDSL router/bridge systems.

SFP modules for this device can be found here: SFP modules

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