ABB 88TK50-E/R1210 Module And Application Description page 14

88TK50/R1210
Block diagram 'Connecting the stations'
FDDI
Ring 1
Ring 2
X2
88TK50
FDDI
Ring 1
Ring 2
X2 X3
88TK50
Station bus
14
X3
Station bus
Single-channel station-bus coupling
X2 X3
88TK50
Dual-channel station-bus coupling
max. 2 km
max. 2 km
X2
88TK50
X2 X3
88TK50
Station bus
X3 X2 X3
88TK50
Station bus
FDDI
Ring 1
Ring 2
FDDI
Ring 1
Ring 2