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6650-2223

Note. Fibre Optic Handling

Fibre optic equipment requires  careful handling  as the fibre components are very 
sensitive to dust and dirt. If the fibre is disconnected from the modem, the protective 
plug on the transmitter/receiver must be replaced. The protective plug must be kept on 
during transportation. The fibre optic cable must also be protected in the same way.
If this recommendation is not followed, it can jeopardise the warranty.

Cleaning of the optical connectors

In the event of contamination, the optical connectors should be cleaned by using forced 
nitrogen and some kind of cleaning stick.
Recommended cleaning fluids:
• Methyl-, ethyl-, isopropyl- or isobutyl-alcohol
• Hexane
• Naphtha

Maintenance

No maintenance is required, as long as the unit is used as intended within the specified 
conditions.

Agency approvals and standards compliance

FCC Part 15.105 
Notice:

This equipment has been tested and found to comply with the limits for a Class A 
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide 
reasonable protection against harmful interference when the equipment is operated in a 
commercial environment. 
This equipment generates, uses, and can radiate radio frequency energy and, if not 
installed and used in accordance with the instruction manual, may cause harmful interfer-
ence to radio communications. Operation of this equipment in a residential area is likely 
to cause harmful interference in which case the user will be required to correct the 
interference at his own expense.

EN 55022 Notice:

This is a class A product. In a domestic environment this product may cause radio inter-
ference in which case the user may be required to take adequate measures.

Type

Approval / Compliance

EMC

EN 61000-6-1, Immunity residential environments

EN 61000-6-2, Immunity industrial environments

EN 61000-6-3, Emission residential environments

EN 61000-6-4, Emission industrial environments

EN 55022, Emission IT equipment, class A

EN 55024, Immunity IT equipment

FCC part 15 Class A

EN 50121-4, Railway signalling and telecommunications apparatus

IEC 62236-4, Railway signalling and telecommunications apparatus

Safety

EN 60950-1, IT equipment

Summary of Contents for ODW-621

Page 1: ...Industrial Converter Serial RS 232 to fibre optic link Point to point applications www westermo com Westermo Teleindustri AB User Guide 6650 2223 ODW 621 Fibre Optic Modem...

Page 2: ...cular purpose are made in relation to the accuracy and reliability or contents of this document Westermo reserves the right to revise this document or withdraw it at any time without prior notice Unde...

Page 3: ...regulations However the user is warned not to look directly into fibre optical port or any connected fibre Care recommendations Follow the care recommendations below to maintain full operation of the...

Page 4: ...15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses an...

Page 5: ...lity EMC References of standards applied for this EC declaration of conformity No Title Issue EN 50121 4 Railway applications Electromagnetic compatibility Emission and immunity of the signalling and...

Page 6: ...ion 200 ms 40 residual voltage 500 ms 70 residual voltage Mains freq 50 Hz EN 61000 4 16 Signal ports 100 V 50 Hz line to earth Mains freq 50 Hz SS 436 15 03 Signal ports 250 V 50 Hz line to line Radi...

Page 7: ...communication via fibre optical network Serial interface asynchronous mode LC 2 Multimode LC connectors 5 km 3 1 miles LC 15 Singlemode LC connectors 15 km 9 3 miles LC 40 Singlemode LC connectors 40...

Page 8: ...scription OVP Over Voltage Protection OCP Over Current Protection Converter serial interface optical fibre ODW 621 is a fibre optic modem that converts between electrical RS 232 and a fibre optic link...

Page 9: ...o units depends on selected fibre transceiver and fibre type Distance up to 80 km 50 miles are available Note The Bi di transceivers must always be used in pair see example TX 1310 nm RX 1310 nm RX 15...

Page 10: ...al is set as long as the fibre link is in operation ready to transfer data The data set ready DSR signal is set as long as the ODW 621 is in service If RTS CTS is set to OFF will CTS always be set to...

Page 11: ...1 Baud rate Baud rate in bit s The system delay when transferring data from the serial input at one ODW 621 to the serial output of other one is calculated by adding the following 1 Fibre The optical...

Page 12: ...5 mm2 AWG 24 12 Shielded cable Not required To minimise the risk of interference a shielded cable is recommended when the cable is located inside 3 m boundary to the rails and connected to this port T...

Page 13: ...optic link is determined by the differ ence between the transmitter s output optical power min and the receiver input sensitivity max FX Fibre Bi di LC 60 Bi di LC 40 Bi di LC 20 Bi di MM LC 2 Fibre c...

Page 14: ...n Description Product marking 1 In Common voltage COM 2 In Voltage A VA 3 In Voltage B VB 4 In Common voltage COM Position Direction Description Product marking 1 NO Contact with C when fibre opti cal...

Page 15: ...port Data will be transmitted to the fibre link OFF RD Fibre link data Receive Flashing Receive data on the fibre link This frame is transmitted to the serial port OFF FL R Red Failure Link Remote ON...

Page 16: ...unding point e g use of wrist strap Note Disconnect power before DIP switch settings S2 S1 S1 DIP switch ON 1 2 3 4 5 6 7 8 CTS always active ON 1 2 3 4 5 6 7 8 RTS signal will be transferred to remot...

Page 17: ...Spacing is recommended for the use of unit in full operating temperature range and service life Removal Press down the black support at the top of the unit See figure Mounting This unit should be moun...

Page 18: ...ive ODW 621s Frames from PLC master that are correctly received the ODW 621 should be indicated by flashing TD LED Frames that are received via the fibre link will be transmitted to the PLC slave and...

Page 19: ......

Page 20: ...mo se Westermo Data Communications Ltd Talisman Business Centre Duncan Road Park Gate Southampton SO31 7GA Phone 44 0 1489 580 585 Fax 44 0 1489 580586 E Mail sales westermo co uk Westermo Data Commun...

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