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User’s Manual

Copyright © 2010 SMSC

UM_MOST150_Repeater_V01_00_XX-1.pdf

Page 16

MOST150 Repeater

If the break lasts more than 10 ms (indicated by the green dashed line of influence in Figure 2-6) the
MOST150 Repeater excludes the external ring and closes the internal loop of the main ring (indicated by
orange lines in Figure 2-7).

Figure 2-7: Light off in Extension Ring Step 3

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Summary of Contents for Most150

Page 1: ...Copyright 2010 SMSC MOST150 Repeater User s Manual UM_MOST150_Repeater_V01_00_XX 1 pdf Mar 2010 MOST Media Oriented Systems Transport Multimedia and Control Networking Technology ...

Page 2: ...ners The products may contain design defects or errors known as anoma lies including but not necessarily limited to any which may be identified in this document which may cause the product to deviate from published descriptions Anomalies are described in errata sheets available upon request SMSC prod ucts are not designed intended authorized or warranted for use in any life support or other applic...

Page 3: ...MOST150 Repeater User s Manual Copyright 2010 SMSC UM_MOST150_Repeater_V01_00_XX 1 pdf Page 3 MOST150 Repeater ...

Page 4: ...ser s Manual Copyright 2010 SMSC UM_MOST150_Repeater_V01_00_XX 1 pdf Page 4 MOST150 Repeater User s Manual Versions Doc Number Date Description UM_MOST150_Repeater_V01_00_XX 1 pdf Mar 2010 First version ...

Page 5: ... in the Extension Ring 15 2 4 3 Light off in the Main Ring 17 2 4 4 Slave Wake up in the Extension Ring 18 2 5 Typical Applications 20 2 5 1 Network Extension 20 2 5 2 Single Signal Recovery 20 2 5 3 Device Replacement 21 2 5 3 1 Usage in a Garage 21 2 5 4 Connecting OptoLyzer G2 3150o 22 3 SWITCHES AND CONNECTORS 23 3 1 Power Connector 23 3 1 1 Power Supply 23 3 2 Relay Contact 23 3 2 1 Relay Plu...

Page 6: ...sion Ring Step 2 15 Figure 2 7 Light off in Extension Ring Step 3 16 Figure 2 8 Light off in Main Ring Step 1 17 Figure 2 9 Light off in Main Ring Step 2 17 Figure 2 10 Slave Wake up Step 1 18 Figure 2 11 Slave Wake up Step 2 18 Figure 2 12 Slave Wake up Step 3 19 Figure 2 13 MOST150 Repeater with Extension Ring 20 Figure 2 14 Signal Recovery in the MOST150 Repeater 20 Figure 2 15 Device Replaceme...

Page 7: ...ater User s Manual Copyright 2010 SMSC UM_MOST150_Repeater_V01_00_XX 1 pdf Page 7 LIST OF TABLES Table 3 1 LEDs 24 Table 4 1 Mechanical Dimensions of the MOST150 Repeater 25 Table 4 2 Electrical Characteristics 25 ...

Page 8: ...User s Manual Copyright 2010 SMSC UM_MOST150_Repeater_V01_00_XX 1 pdf Page 8 MOST150 Repeater ...

Page 9: ...o not interfere in the product s original state otherwise user safety faultless operation and electromag netic compatibility is not guaranteed 1 2 Scope of Delivery This product is delivered with MOST150 Repeater box Optical fibers Power cable set Plug connector fitting for the relay contact Check your shipment for completeness If you have any complaints direct them to sales ais europe smsc com Eu...

Page 10: ...r has a switch off mechanism which is acti vated when detecting no light for a dedicated time The MOST150 Repeater provides a relay contact whose position depends on whether light is detected or not Thus the MOST150 Repeater is able to loop an external provided power signal through the closed relay contact For easy lock indication the MOST150 Repeater provides respectively one status LED on the ma...

Page 11: ... interfaces at main and extension side Internal automotive compliant power supply Low power consumption in sleep mode 30 µA Slave wake up possible at extension side Monitor out functionality without extra FOT on extension side Indication of the lock status through a LED on each side Relay switched lock contact max 20 V 1 A short circuit protected Signal recovery 2 2 Block Diagram Figure 2 1 Block ...

Page 12: ...cluded in the MOST network If the extension is deconnected it takes about 10 ms to close the main ring The MOST150 Repeater also supports slave wake up This means the extension ring is able to wake up the main ring being in sleep mode power consumption less than 30 µA after stable lock has been detected on the extension s side In case the MOST150 Repeater detects no light it switches back to sleep...

Page 13: ...ndicated as grey dashed lines in Figure 2 2 assuming the device itself is powered Figure 2 2 Light in Main Ring Step 1 If light is detected on RX in the main ring the MOST150 Repeater switches on The light is transmitted back to TX on the main ring i e via an internal loop and to the TX of the extension ring indicated by the orange lines in Figure 2 3 In additon the MOST signal will be recovered v...

Page 14: ...Figure 2 3 Figure 2 4 Light in Main Ring Step 3 If the RX of the extension ring receives light the MOST150 Repeater checks the signal quality lock and includes the extension ring within at least 300 ms in the MOST network indicated by the green dashed line of influence in Figure 2 4 Internally a switch opens the loop behind the main ring and includes the exter nal ring indicated by the blue lines ...

Page 15: ...ring where the extension ring is included in the MOST network Figure 2 5 Light off in Extension Ring Step 1 If a break is detected on the extension ring s side i e no light is detected on the RX of the extension ring the MOST150 Repeater keeps the ring closed for 10 ms see position of the switch in Figure 2 6 Figure 2 6 Light off in Extension Ring Step 2 ...

Page 16: ... Repeater If the break lasts more than 10 ms indicated by the green dashed line of influence in Figure 2 6 the MOST150 Repeater excludes the external ring and closes the internal loop of the main ring indicated by orange lines in Figure 2 7 Figure 2 7 Light off in Extension Ring Step 3 ...

Page 17: ...ring is included in the MOST network Figure 2 8 Light off in Main Ring Step 1 If light switches off at RX of the main ring the MOST150 Repeater excludes the extension ring after about 10 ms see position of the switch in Figure 2 8 Figure 2 9 Light off in Main Ring Step 2 If RX of the main ring obtains no light for about 2000 ms the MOST Repeater switches into stand by mode ...

Page 18: ...ce itself is powerd but RX of the main ring obtains no light indicated by grey dashed lines in Figure 2 10 Important After a slave wake up it lasts 300 ms till the extension ring is included and visi ble in the MOST network Figure 2 10 Slave Wake up Step 1 RX on the extension ring detects light transmitted by the slave indicated by blue lines in Figure 2 11 Figure 2 11 Slave Wake up Step 2 ...

Page 19: ...UM_MOST150_Repeater_V01_00_XX 1 pdf Page 19 If light is detected on RX of the extension ring for about 300 ms the positon of the internal switch changes and includes the extension ring to the MOST network see Figure 2 12 Figure 2 12 Slave Wake up Step 3 ...

Page 20: ...connect the extension ring on the extension s side An application might look as Figure 2 13 Figure 2 13 MOST150 Repeater with Extension Ring 2 5 2 Single Signal Recovery The MOST150 Repeater can be used for signal recovery purposes if you have extended transmission dis tances Signal recovery is possible on both the main ring and the extension ring side An application might look as Figure 2 13 Figu...

Page 21: ...150 Repeater instead If the MOST ring works properly the removed MOST device is probably faulty and should be replaced by a new one If the MOST ring does not work properly1 the MOST150 Repeater can be used to replace one device after the other in the ring except the controlling devices e g headunit timing master For details how to evaluate the defective device refer e g to the OEM s work instructi...

Page 22: ...be connected to a monitoring device such as an OptoLyzer G2 3150o to spy MOST150 network traffic To avoid data message loss until the extension ring will be included which takes up to typically 300 ms we recommend to only connect the TX of the extension port with the RX of the OptoLyzer OL3150o Figure 2 16 MOST150 Repeater with Connected OptoLyzer G2 3150o ...

Page 23: ...y Contact Relay switched lock contact Phoenix MC 1 5 2 G 3 81 max 20 V 1 A short circuit protected against 6 A 3 2 1 Relay Plug Connector The delivered connector can be plugged in the relay contact of the MOST150 Repeater An external device can be connected via the screw connection MINI COMBICON Connector MC1 5 2 ST 3 81 to be used with max 20 V 1 A 3 3 MOST Interface The MOST150 Repeater can be c...

Page 24: ...ing Describes two states The MOST150 Repeater is not powered The MOST Repeater is powered but in sleep mode as there is no light detected on RX Extension Ring Describes two states The MOST150 Repeater is not powered The main ring is closed but receives no light at RXof the extension ring Red Main Ring Extension Ring Visible continuously The interface detects light but no stable lock Green Main Rin...

Page 25: ...Weight of the MOST150 Repeater without plugs 210 g Parameter Symbol Min Typ Max Unit Input Power UBatt 8 12 30 V Current Consumption Active Mode IActive 300 500 mA Current Consumption Sleep Mode ISleep 30 50 µA Relay Contact Load Voltage ULd 20 V Load Current ILd 1 A Switching Times Time to Sleep Mode after Light Off TSleep 2000 ms Time from Sleep Mode to Active Mode TActive 8 ms Time till Stable ...

Page 26: ...User s Manual Copyright 2010 SMSC UM_MOST150_Repeater_V01_00_XX 1 pdf Page 26 MOST150 Repeater Notes ...

Page 27: ...MOST150 Repeater User s Manual Copyright 2010 SMSC UM_MOST150_Repeater_V01_00_XX 1 pdf Page 27 Notes ...

Page 28: ...and modules visit our web site http www smsc ais com Direct contact information is available at http www smsc ais com offices SMSC Europe GmbH Bannwaldallee 48 76185 Karlsruhe GERMANY SMSC 80 Arkay Drive Hauppauge New York 11788 USA Technical Support Contact information for technical support is available at http www smsc ais com contact ...

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