S.I. Tech T1/E1 and T3/E3/STS-1 fiber modem products convert electrical signals to light, allowing data
to be transmitted over fiber optic cabling. (See why fiber optics.) Each fiber modem can be made to support either multimode or single mode fiber, AC or DC power,
and can have ST or SC fiber connectors (other options available). The following Wide Area Network (WAN) products are available from S.I. Tech.
Fiber Optic Modems