2 introduction, Figure 2.1 network topologies, Orks – Westermo LR-11 User Manual
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2 INTRODUCTION
The LR-11 router offers an easy way to extend the distance between L
ON
W
ORKS
®
78 kbit/s TP/FT network segments using a high-speed 1 250 kbit/s backbone fibre optic
network link.
LR-11 is based on Echelon’s RTR-10 standard router core module, this allowing
standard configuration and installation with tools such as LonBuilder
®
and LonMaker™.
LR-11 routers can be installed as repeaters, configured routers, or learning routers.
The LR-11 is equipped with either one (PP-version) or two pairs of fibre optic receivers
and transmitters. This allows the user to build either point to point-, bus- or ring
topology fibre links.
LR-11 PP
Fibre optic channel
LR-11 PP
TP Network
channel 1
TP Network
Channel 2
N1 N2
L
N
LR-11
LONWORKS TP/FT-10
POWER
Rx1
Rx2
Tx1
Tx2
TD RD ASRV BSRV
C
E
PWR
OPTO LINK MONITOR
CH1
C
E
CH2
N1 N2
L
N
LR-11
LONWORKS TP/FT-10
POWER
Rx1
Rx2
Tx1
Tx2
TD RD ASRV BSRV
C
E
PWR
OPTO LINK MONITOR
CH1
C
E
CH2
Fibre optic channel
TP Network
channel 1
LR-11PP
LR-11
LR-11PP
TP Network
channel 2
TP Network
channel 3
N1 N2
L
N
LR-11
LONWORKS TP/FT-10
POWER
Rx1
Rx2
Tx1
Tx2
TD RD ASRV BSRV
C
E
PWR
OPTO LINK MONITOR
CH1
C
E
CH2
N1 N2
L
N
LR-11
LONWORKS TP/FT-10
POWER
Rx1
Rx2
Tx1
Tx2
TD RD ASRV BSRV
C
E
PWR
OPTO LINK MONITOR
CH1
C
E
CH2
N1 N2
L
N
LR-11
LONWORKS TP/FT-10
POWER
Rx1
Rx2
Tx1
Tx2
TD RD ASRV BSRV
C
E
PWR
OPTO LINK MONITOR
CH1
C
E
CH2
Figure 2.1 Network topologies