Westermo LR-11 User Manual

Fibre optic router for TP/FT-10INSTALLATION MANUAL6608-2211www.westermo.seLR-11LR-11PP©Westermo Teleindustri AB • 2002 • REV. BGalvanicIsolationTransi

10 6608-22113.3.1 Alarm indicationsThe LR-11 unit has two alarm outputs marked as CH1 and CH2. When a unit detects afault on a fibre optic link the ci

116608-2211The receiver Rx1 on the ring master unit detects a break on Link 1. Alarm CH1 is asserted on the ring master unit.The receiver Rx1 on the r

12 6608-2211The receiver Rx2 on the rightmost LR-11 unit detects a break on Link 2. Alarm CH2 is asserted on both local unit and the ring master unit.

136608-22114 FIBRE CHANNEL4.1 IntroductionOn the fibre channel the devices are attached in a daisy-chain fashion. The signal path isthrough each devic

14 6608-22114.2 Power budget50/125 µm 3.0 dB/km 1.0 dB/km62,5/125 µm 3.5 dB/km 1.2 dB/km100/140 µm 4.0 dB/km9/125 µm 0.5 dB/kmFibreAttenuationat 820 n

156608-22116 SETTINGS AND CONNECTIONS6.1 SettingsThe LR-11 can through different switchsettings be adapted to a variety of oper-ating conditions. To s

6.2 ConnectionsAlarm indication16 6608-2211Network connection (LONWORKS®TP/FT)(5-position screw terminal)Connection no. Description1N 12N 2Power conne

176608-2211N1 N2 LNLONWORKS TP/FT-10 POWERLONWORKS®TP/FT-10Network connectionAlarm connectionLR-11Rx1Rx2TD RD ASRV ASRVCEPWROPTO LINK MONITORCH1CECH2M

18 6608-2211OWN COMMENTS...

LONWORKS®and LonTalk®are trademarks of Echelon Corporation registered in United States and other countries.

T03-0024 • 6608-2211 03.01 Mälartryck AB, Eskilstuna, SwedenWestermo Teleindustri AB • SE-640 40 Stora Sundby,SwedenPhone +46 16 42 80 00 Fax +46 16

36608-2211Contents1 SPECIFICATIONS LR-11/LR-11PP ...

46608-22111 SPECIFICATIONS LR-11/LR-11PPGENERALFIBREMaximum fibre length 25 000 m (between two LR-11 units)TECHNICAL DATATransmission Routing of LonTa

56608-22112 INTRODUCTIONThe LR-11 router offers an easy way to extend the distance between LONWORKS®78 kbit/s TP/FT network segments using a high-spee

66608-2211Figure 2.2 Network topologiesFibre optic channelLR-11 Ring masterLR-11 LR-11TP Networkchannel 1TP Networkchannel 1TP Networkchannel 1N1 N2 L

76608-22113 COMMUNICATIONSThe LR-11 routes LonTalk®packets between a TP/FT-10 channel and fibre optic channel.The communication channels consists of a

86608-22113.2 Bus topologyUsing the LR-11 unit gives the possibility to create a fibre optic bus topology.The data flow is schematically illustrated i

Data routed to the fibre network will be transmitted onto both F/O links. All datareceived by a LR-11 unit on either Rx1 or Rx2 is transmitted to the