T3 DS3 E3 Fiber
Optic Modem for T3 Extensions
When you need
to tie building communications together at the T3 - DS3 level
the T3 DS3 Fiber Optic modems will let you extend out to 100KM.
T3 Fiber Optic Modem - FOM-T3
The FOM-E3/ETH and FOM-T3/ETH fiber optic modems convert a 10/100BaseT
electrical signal into an optical signal with a range of up to 110 km (68
These modems transparently connect between LANs, achieving maximum bandwidth utilization of the E3/T3 link, without the heavy overhead associated with packet- or cell-based technologies. They provide built-in bridging and VLAN support at Ethernet/Fast Ethernet rates, enabling virtual connection of remote LANs (e.g., campus applications).
The Ethernet interface module performs frame filtering and forwarding at the Fast Ethernet maximum theoretical rate of 150,000 frames per second. The bridge causes no LAN delays.
Different optical interfaces are available:
- 850 nm for multimode fiber
- 1310 nm for single or multimode fiber
- 1310 nm and 1550 nm laser diode, long haul laser for extended range over single mode fiber
- WDM laser for transmission over a single fiber
The modems can be configured by the user to enable or prevent broadcast and
IP multicasting to the WAN as required. The FOM-E3/ETH and FOM-T3/ETH can be
used to connect LANs and high speed routers over E3/T3 links to the network.
The products are available as standalone units. They can be mounted in a standard 19" rack using special hardware or two units can be mounted side-by-side.
The FOM-T3 is a T3 fiber optic modem that can extend a T3 circuit over fiber for extended distances.