Technical data

2.3.3 Topology of a Combined Electrical / Optical SINEC L2/L2 FO
Network
Using a SINEC L2 RS-485 repeater with an SF optical repeater adapter,
an electrical L2 network (RS-485) can be connected to the active star
coupler of an optical L2 network (see Fig 2.8). It is also possible to connect
two electrical L2 networks optically by means of repeaters with optical
repeater adapters (for interconnecting optical links, see Fig. 2.9). In these
optical point-to-point links, no active star coupler is required.
DTE DTE
DTE
R
DTE
DTE
DTE
*
DTE
Fig. 2.8 Repeater Connected to Optical Star Coupler with DTEs
DTE DTE
DTE
DTE
DTE
DTE
R
R
Fig. 2.9 Interconnecting Optical Link
B8976060/02 System Overview
2 - 21 Volume 1