TYTAN-8E1/16E1 is a multiplexer of eight or sixteen E1 PDH channels, up to four Gbits/s Ethernet data streams and Ethernet management channel into an optical data stream for transport over fiber optic. Device is designed for clients with requirements for both classic TDM PDH channels and high speed Ethernet. Optical path can be realized using one or two line SFP interfaces.

Brief – catalog card

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Basic information

  • Connection of four Gigabit Ethernet LANs plus 16 E1 G.703 2048kbit/s lines through a fibre optical link,
  • Optical path protection,
  • 4Gbit/s Ethernet data stream throughput using double optical line or 2,2Gbit/s Ethernet data throughput using single optical line,
  • FEC error correction,
  • Built-in four GigabitEthernet interfaces (four 10/100/1000 Mbit/s RJ45 electrical ports and three 1000 Mbit/s SFP ports),
  • Physical Ethernet port separation,
  • Redundant power supply, 230V AC and 48V DC.
  • Dimensions 483x170x44mm mm, weight approx 2,5kg.

Line interfaces

Mulitplexer is equipped with two SFP line interfaces dedicated for 3,125 Gbit/s transceivers. 2,5Gbit/s and 1,25Gbit/s SFP can be also optionally used on the line interfaces (with limited Ethernet data throughput).

Physical Ethernet port separation

Three 1Gb/s SFP Ethernet slots and one 4xRJ45 group creates four independent physically isolated Ethernet channels. Four electrical interfaces creates one group with common throughput of 1Gbit/s. TYTAN-8E1/16E1-ES version has additional separation of four Electrical RJ45 ports, which together creates seven independent Ethernet channels.

Protection of connection

While using two SFP optical line interfaces device realise partial optical path protection. If one optical path goes down, Ethernet data stream is redirected to second one, in accordance with particular Ethernet interfaces priorities. E1 channels’ protection is carried out continuously, E1 lines are sent simultaneously through both optical line interfaces.

VLAN, Q-in-Q

Available bandwidth for Ethernet stream can be divided into independent transmission channels by using Virtual Lan Network VLAN, according to 802.1ad.


Multiplexer TYTAN-8E1/16E1 support ‘Best-in-class’ Quality of Service (QoS) according to 802.1p. QOS support with four traffic classes, determined by Port, IEEE 802.1p tagged frames, IPv4’s Type of Service (TOS) & Differentiated Services (DS), 802.1W VID, Destination MAC address, or Source Mac address.

Additional information

Weight2.5 kg

Plik PDF - TYTAN-16_8-E1_brief

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