SHDTU-10-is – G.SHDSL-ethernet modem

SHDTU-10-is – G.SHDSL-ethernet modem

Ethernet G.SHDSL modem/router with 4-port Ethernet 10/100BaseTx switch
Complies with DIN27001 security features + VPN encryption
Transmission speed from 64 Kbit/s up to 61.2 Mbit/s over 2/4/8-wire copper lines
Range up to 25 km
Special mode for transmission under difficult line conditions
ATM & EFM transmission
Configuration via HTTPS/CLI/SSH
SNMP management and alarm contacts
Redundant power supply: 2x 12-60VDC (+/-20%), 1x 12VDC
Temperature range: -20 – +70°C
Time synchronization

With the SHDTU-10-is Ethernet modem, high transmission speeds of up to 15.3 / 30.6 / 61.2 Mbit/s can be achieved via existing unshielded, twisted 2 / 4 or 8-wire copper lines for direct Ethernet network coupling.

The transmission distance and speed depend on the line cross-section, the number of parallel G.SHDSL lines and any interference (bandwidth adaptation). At 25 km without repeaters, speeds of 320 kbit/s have still been achieved. Repeater solutions are available for even greater ranges. If the secure mode is switched on, stable data transmission is guaranteed even on bad lines.

The SHDTU-10-is can also be operated in bus or ring connection, which means that only one device per station is required for 2- and 4-wire applications.
Transmission and data security are the important features of the SHDTU family. The requirements of DIN-27001, such as: port-based o.tagged VLAN, management in own VLAN, secured access via HTTPS & SSH, password protection, SNMP v3, shutdown of unused ports, port-based MAC-o. IP filters, syslog and time synchronization are fulfilled. The route can be secured by VPN encryption and the modems can be used as full-fledged routers with firewall.

Special emphasis was placed on the user-friendly operation of the modems. All settings for standard operation can be made via the browser using HTTP/HTTPS. The status page provides information about the device status. All configurations can be saved to external media and reloaded if required.

The SHDTU modems are used in applications where a high degree of transmission security and reliability is required, e.g. in utility sectors such as electricity, water, gas, district heating, traffic, etc. The robust design with metal housing, DIN rail mounting, extended temperature range and redundant supply voltage of 12-60 VDC make these modems suitable for use in harsh environments. Centrally mounted 19″ solutions are available.

The SHDTU modems support all standard technologies and are compatible to all ATM/EFM based G.SHDSL router/bridge systems.

We recommend the use of our surge protection DSL-FLÜ


Symmetrical transmission speed up to 61.2 Mbit/s (8-wire mode / 15.3 Mbit/s per pair)
Automatic speed adaptation to line quality or fixed speeds
Pre-configured for plug-and-play operation in point-to-point applications
Secure or Fast mode for stable or high-speed transmission
Long ranges up to 25 km
Complies with UL1950, FCC 15 ClassB, EN55022 and EN60950

Security features

VPN encryption WAN
– IPSec (RFC2411) up to 4 tunnels
– MD5/SHA-1 and IKE/Manual Key
– ISAKMP (RFC 2407/2408/4306) and IKE v1 (RFC 2409/4109)
Ring redundancy
IP and MAC filtering per port
Disable unused LAN ports
Disable WEB interface
Management in own VLAN


2 / 4 or 8 wire operation (adjustable)
Standard ITU-T G.991.2 and ITU-T G.994.1 (G.hs)
Point-to-point, star, line and ring operation
Multi-link mode
Line coding: TC-PAM-4 to 128
Compatible with ATM and EFM based G.SHDSL modems from other vendors


IEEE 802.1D transparent bridging
Port-based & IEEE 802.1Q VLAN
– Management VLAN ID
– QinQ
– 4-port switch
L2 QoS (CoS)


Dimensions: 15.9 x 4 x 21 cm (DxWxH)
DIN rail mounting
Redundant voltage: 2 x 12-60VDC (+/-20%), 1 x 12VDC (DC jack)
Power: approx. 6,5 Watt
Temperature: -20 to +70°C (operation)
Humidity: 0-95
WAN: 1x screw/plug-in terminal block
LAN: 4 x RJ-45 switch 10/100BaseTx
CLI console port / RS-232 : DB 9F


Dynamic routing via OSPF and RIP
IGMP proxy/ snooping


Simple user interface for quick installation, configuration and control via web browser (HTTP/HTTPS)
Menu-driven interface/ command line interface (CLI) for local console and Telnet/SSH access management
Password protected management and access control for administration
SNMP monitoring and TRAP dispatch with SNMPv1, SNMPv2 and SNMPv3 agent (RFC1157/1901/1905) and MIB II(RFC1213/1493)
Alarm contacts for voltage and WAN failure, alarm contacts via Web GUI configurable for CRC error, LAN port monitoring, line quality monitoring
Alarm messages via e-mail
Firmware upgrade via web browser and TFTP server
Saving of config files
Time synchronization

The transmission of my personal data is voluntary. I have the opportunity to withdraw my data at any time. My data is stored exclusively for the purpose of processing my request. A passing on to third does not take place.

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