STM1-T is STM-1 to 2xEthernet Converter. The vaild brandwidth is 155MB. STM-1 port can support electrical BNC and optical SC/FC interface optional.

STM1-t is a kind of high-performance, self-educated long-range Ethernet bridge.With the up-to-date ASIC circuit design,STM1-T can carry out real-time analysis on up to one STM-1 transmission chains,analyze the line quality of STM-1 chain,and cut off the transmission of the chain automatically on the occasion of open circuit,error code,delay or alarm so as to avoid adverse effects on Ethernet transmission such as open circuit and frame losses so on.With low cost, it is fit for bridge connection or LAN extender or subsection.It can automatilly learn the MAC address in the connected LAN continuously,and transmit the target address of data frame in another LAN.The two Ethernet interface dynamically distribute the brandwith,and work in differnet network.It allows transmitting and receiving VLAN data packets.It does not perform any negotiation over the link, which is specially suitable for satellites and other wireless broadcast applications.

*Comply with ITU-T G.703/813/825 STM1 electrical standard
*Comply with ITU-T G.957/958/825 STM1 optical standard
*Comply with Bellcore SONET GR-253
*Full comply with IEEE 802.3/IEEE 802.3u /IEEE 802.1Q(VLAN)
*Ethernet port 10/100Mbps,Full/Half Duplex mode compatible
*For STM-1 interface,support electrical BNC and optical SC/FC interface optional
*The valid  bandwidth is 155MB
*Comprehensive LED indicators on front panel,convenient for the diagnosis of equipment working state
*-48V DC & 220V AC power supply optional

STM-1 interface
Electrical Interface
Standard:ITU-T G.703 Compliant
Data Rate:155.52 Mbps
Line Code:CMI
Physical Connector:BNC Coaxial

Optical Interface
Standard:ITU-T G.957 STM-1
Bit rate:155.520 Mbps
Coding:NRZ
Connector:SC
Light source:Laser Diode
Wave length:1310nm (Typical),or 1550nm (Optional) or Single
Fiber Bi-Directional (Optional)
Transmit power:-12dBm (1310nm) / -5dBm (1550nm)
Receive sensitive:-36dBm (1310nm) / -38dBm (1550nm)

Ethernet interface
Comply with IEEE802.3/IEEE 802.3u/IEEE802.1Q(VLAN)
Rate:10/100Mbps,Half/Full auto-negotiation
MDI/MDI-X auto-crossover
Physical connector:10/100  Base-T(UTP);RJ45

Power supply
AC power:220V±10%,50Hz
DC power:-48V(optional)
Power:5W

Environment
Temperature:0～40℃
Humidity:0～95% RH