Multiplexers and interface converters offered by FIBRAIN company provide cost-effective transportation of Ethernet over PDH/SDH infrastructure of microwave links. Our products allow connection of electrical and optical Ethernet interfaces using up to sixteen E1 channels aggregating their band.

Ethernet over E1/E3 family of devices can be used for a wide range of applications, including 3G and WiMAX services transportation over existing SDH/PDH networks or E1/E3 microwave links, providing data connectivity for enterprises over PDH/SDH infrastructure, providing backup radio connections in power automation systems, as well as extending ISPs Ethernet services to their customers over radio links.

What's more, all devices are made in Poland.

SPECIFICATION	UTD-EM-M16	UTD-EM-M8	UTD-EM-M4	UTD-EM-T	UTD-EM-AE1	UTD-EM-AE3	UTD-EM-ARS
E1	16x	8x	4x	4x	1x​	1xE3	1x
Line code HDB-3	✓	✓	✓	✓	✓	—	✓
120Ohm E1 impedance	✓	✓	✓	✓	✓	—	✓
Local Interface	Gigabit Ethernet	Gigabit Ethernet	Fast Ethernet	Fast Ethernet	Fast Ethernet	Fast Ethernet	Fast Ethernet + RS/232/485
Line Interface	16x E1	8x E1	4x E1	4x E1	1x E1	1x E3	1x E1
VLAN: 802.1Q	✓	✓	✓	✓	✓	✓	✓
Flow control function	✓	✓	✓	✓	✓	✓	✓
Remote management	✓	✓	✓	✓	✓	✓	✓
QoS support	✓	✓	✓	✓	—	—	—

* - optional
​**- could be adjust to client requirements