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Chapter 2.  Installation

22

OCU 45 User Manual

61200664L1-1B

POWERING THE UNIT

The OCU 45 contains a three-position modular terminal lug connector for 
supplying DC power to the unit. The modular terminal lug connector allows 
the user to easily connect and disconnect DC power when replacing 
rackmount units. 

To establish DC power, use 12 to 26 AWG wire to connect the modular 
connector as follows:

1.

Connect the wire lugs on the modular connector which corresponds to 
the positive (+) and negative (-) terminals on the rear panel to a -48V 
DC, 0.5A source.

2.

Connect the remaining wire lug to the frame ground.

3.

Once the modular connector is wired, push it firmly into one of the rear 
panel 

P

OWER

 connectors.

Table 2-1 and Figure 2-1 illustrate the DC power connector and give 
definitions for the four connector symbols.

Table 2-1.  DC Connector Symbol Definitions

Figure 2-1.  DC Power Connector

Use copper conductors only.

Symbol

Definition

+

Positive side of DC power source (usually ground)

-

Negative side of DC power source (usually -48V)

Frame Ground

+

Содержание 1200664L1

Страница 1: ...OCU 45 Part Number 1200664L1 2 3 4 Document Number 61200664L1 1B 61200664L1 1B September 2002 ...

Страница 2: ...as of the date of publication ADTRAN reserves the right to change the contents without prior notice In no event will ADTRAN be liable for any special incidental or consequential damages or for commercial losses even if ADTRAN has been advised thereof as a result of issue of this publication 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 Phone 256 963 8000 2002 Inc All Rights Reserv...

Страница 3: ...torm There is a remote risk of shock from lightning 3 Do not use the telephone to report a gas leak in the vicinity of the leak 4 Use only the power cord power supply and or batteries indicated in the manual Do not dispose of batteries in a fire They may explode Check with local codes for special disposal instructions Save These Important Safety Instructions Notes provide additional useful informa...

Страница 4: ...and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio frequencies 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 Shielded cables must be used with this unit to ensure compli...

Страница 5: ...o a telephone interface The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the RENs of all the devices should not exceed five 5 Canadian Emissions Requirements This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard enti...

Страница 6: ...al or in ADTRAN s internal specifications and drawings for such products which may or may not be reflected in the Product Manual This warranty only applies if Customer gives ADTRAN written notice of defects during the warranty period Upon such notice ADTRAN will at its option either repair or replace the defective item If ADTRAN is unable in a reasonable time to repair or replace any equipment to ...

Страница 7: ...pecial punitive exemplary or consequential damages experienced by either the Customer or a third party including but not limited to loss of data or information loss of profits or loss of use ADTRAN is not liable for damages for any cause whatsoever whether based in contract tort or otherwise in excess of the amount paid for the item Some states do not allow the limitation or exclusion of liability...

Страница 8: ... information use the contact information given below Repair and Return If you determine that a repair is needed please contact our Customer and Product Service CAPS department to have an RMA number issued CAPS should also be contacted to obtain information regarding equipment currently in house or possible fees associated with repair Identify the RMA number clearly on the package below address and...

Страница 9: ...our Applications Engineering Department Post Sale Support Your reseller should serve as the first point of contact for support If additional support is needed the ADTRAN Support web site provides a variety of support services such as a searchable knowledge base updated firmware releases latest product documentation service request ticket generation and trouble shooting tools All of this and more i...

Страница 10: ...rs training on our most popular products These courses include overviews on product features and functions while covering applications of ADTRAN s product lines ADTRAN provides a variety of training options including customized training and courses taught at our facilities or at your site For more information about training please contact your Territory Manager or the Enterprise Training Coordinat...

Страница 11: ...t 22 LED and Switch Descriptions 24 Power Supply 24 Interface Switch and LED 24 Line Length Switch and LED 24 Test Switch and LED 25 Optical Interface Port 26 Chapter 3 Troubleshooting and Maintenance 27 Troubleshooting 27 Power 27 Electric LOS 27 Electric Alarm 27 Optical LOS 28 Optical Alarm 28 Alarm Relay Conditions 28 Power On Self Check Failure 29 Maintenance 29 Chapter 4 Specifications 31 Op...

Страница 12: ...4L1 1B Table of Contents E3 Interface 33 STS 1 Interface 33 Configuration 33 Diagnostics 33 Alarms 34 Agency Approvals 34 Environment 34 Physical 34 Appendix A Connector Pin Definitions 35 Power Connector 35 Alarm Relay 35 Index 37 ...

Страница 13: ...er Manual 13 List of Figures Figure 1 1 OCU 45 Front Panel 18 Figure 1 2 OCU 45 Rear Panel 19 Figure 2 1 DC Power Connector 22 Figure 2 2 OCU 45 Front Panel 24 Figure 2 3 Electrical Loopback 25 Figure 2 4 Optical Loopback 25 ...

Страница 14: ...14 OCU 45 User Manual 61200664L1 1B List of Figures ...

Страница 15: ...61200664L1 1B OCU 45 User Manual 15 List of Tables Table 2 1 DC Connector Symbol Definitions 22 ...

Страница 16: ...16 OCU 45 User Manual 61200664L1 1B List of Tables ...

Страница 17: ...erprise users a powerful tool for extending T3 E3 STS 1 services over fiber in a campus environment Configuration of the OCU 45 is accomplished through two switches on the front of the unit which configure the metallic interface to T3 E3 or STS 1 and set the metallic line length to short or long The OCU 45 has both nor mally open and normally closed alarm relay contacts with a front panel Alarm Cu...

Страница 18: ...gnostics and electrical and opti cal interface status A brief description of the LEDs is as follows The POWER LED shows that the unit is receiving power The INTERFACE LED indicates the current electrical interface configura tion The LINE LENGTH LED indicates the current electrical line length con figuration The TEST LED indicates that there is an active loopback at the electrical or optical interf...

Страница 19: ...ive The optical interface of the OCU 45 consists of a standard SC or ST receptacle using two fibers one for each direction of transmission External alarm contacts for critical and non critical alarms are provided on the rear panel of the OCU 45 using a standard 4 pin terminal block containing NORMALLY OPEN NORMALLY CLOSED COMMON and GROUND connections The DC power supply connector is a standard 3 ...

Страница 20: ...Chapter 1 General 20 OCU 45 User Manual 61200664L1 1B ...

Страница 21: ...carrier and contact ADTRAN Technical Support see Post Sale Support in the beginning of this manual for contact information Keep the original shipping container to use for future shipment or verification of damage during shipment ADTRAN Shipments Include The following items are included in ADTRAN shipments of the OCU 45 OCU 45 unit 4 position terminal lug connector alarm 3 position terminal lug con...

Страница 22: ...lugs on the modular connector which corresponds to the positive and negative terminals on the rear panel to a 48V DC 0 5A source 2 Connect the remaining wire lug to the frame ground 3 Once the modular connector is wired push it firmly into one of the rear panel POWER connectors Table 2 1 and Figure 2 1 illustrate the DC power connector and give definitions for the four connector symbols Table 2 1 ...

Страница 23: ...a reliably grounded 48 VDC source which is electrically isolated from the AC source 2 The branch circuit overcurrent protection should be a fuse or circuit breaker rated 48V 15A 3 The unit should be installed in accordance with the requirements of NEC NFPA 70 4 A readily accessible disconnect device that is suitably approved and rated should be incorporated in the fixed wiring ...

Страница 24: ...ption of the switches and LEDs follows Figure 2 2 Figure 2 2 OCU 45 Front Panel Power Supply The POWER LED is active when the unit is on and receiving full power Interface Switch and LED The INTERFACE LED reflects the electrical interface switch setting The OCU 45 supports DS3 E3 and STS 1 operation Line Length Switch and LED The LINE LENGTH LED reflects the electrical line length switch setting T...

Страница 25: ...loopback diagnostic switch setting Two diagnostic loopbacks are provided ELECTRICAL and OPTICAL The following figures show testing diagrams for the Electrical and Optical loopback tests Figure 2 3 Electrical Loopback Figure 2 4 Optical Loopback OPTC XCVR ELEC LIU RX TX TX RX OPTC XCVR TX RX ELEC LIU RX TX ...

Страница 26: ...ws For the multi mode optical transceiver the short range optical budget is 14 dB and can be calculated using the following equations The optical interface complies with IEC Class 1 laser safety requirements under normal operating conditions The OCU 45 contains an integrated automatic shutdown circuit that disables the laser when it detects transmitter failures giving it an FDA Class 1 laser safet...

Страница 27: ... network demarcation is connected to the dual BNC connectors labeled ELECTRICAL INTERFACE located on the back panel of the OCU 45 2 If all connections seem intact check the DS3 STS 1 device on the other end of the circuit Electric Alarm Condition ELECTRIC ALARM LED is illuminated 1 Line coding violations LCVs are being received on the electrical interface Check the electrical interface configurati...

Страница 28: ...L ALARM LED is illuminated 1 Line coding violations are being received from the far end OCU 45 2 Alternately an Optical Alarm can indicate that all 1s are being received on the optical interface from the far end device 3 Verify that the far end OCU 45 is functioning properly Alarm Relay Conditions Condition ALARM RELAYS are indicating an active alarm 1 The unit is currently experiencing an OPTICAL...

Страница 29: ...RAN Customer and Product Service CAPS Department as instructed in the Repair and Return section in the front of this manual MAINTENANCE The OCU 45 requires no routine maintenance No repairs should be performed by the customer Repair services can be obtained by returning the unit to the ADTRAN Customer and Product Service CAPS department as instructed in the Repair and Return section located in the...

Страница 30: ...Chapter 3 Troubleshooting and Maintenance 30 OCU 45 User Manual 61200664L1 1B ...

Страница 31: ...wo fibers one for each direction of transmission Transmitter Class 1 Laser Operating Wavelength 1310 nm Cable Type 9 125 µm single mode Transmission Code Manchester Distance Up to 40 km Transmitter Output 5 dBm Receiver Sensitivity 34 dBm The single mode optical interface complies with IEC 60825 1 and FDA 21CFR 1040 10 and 1040 11 ...

Страница 32: ... ELED Operating Wavelength 1310 nm Cable Type 62 5 125 µm multi mode Transmission Code Manchester Distance Up to 2 km Transmitter Output 16 dBm Receiver Sensitivity 31 dBm The multi mode optical interface complies with IEC 825 1 Line Interface Dual 75 Ohm BNC female connectors Line Rate 44 736 Mbps Line Code B3ZS Framing Format M13 and C Bit Parity Line Buildout 0 to 225 feet short 226 to 450 feet...

Страница 33: ...lic Loopback Optical Loopback Line Interface Dual 75 Ohm BNC female connectors Line Rate 34 368 Mbps Line Code HDB3 Line Interface Dual 75 Ohm BNC female connectors Line Rate 51 84 Mbps Line Code B3ZS Framing Format STS 1 Line Buildout 0 to 225 feet short 226 to 450 feet long Metallic Interface T3 E3 STS 1 Metallic Line Buildout Short Long ...

Страница 34: ...n and normally closed pinouts Front panel alarm cutoff ACO switch AGENCY APPROVALS ENVIRONMENT PHYSICAL Emissions Part 15 Class A Bellcore NEBS Level 3 Safety UL 1950 CUL Operating 0 to 50 C 32 to 122 F Storage 20 to 70 C 4 to 158 F Relative Humidity Up to 95 non condensing Dimensions 1 7 H x 6 7 W x 9 1 D Weight 2 0 lbs Power 48 VDC 5 watts ...

Страница 35: ...4L1 1B OCU 45 User Manual 35 Appendix A Connector Pin Definitions POWER CONNECTOR ALARM RELAY Pin Description 1 48 RTN 2 48 3 Chassis Ground Pin Description 1 Normally Closed 2 Normally Open 3 Common 4 Ground ...

Страница 36: ...Appendix A Connector Pin Definitions 36 OCU 45 User Manual 61200664L1 1B ...

Страница 37: ...18 LED Optical 18 LED Power 18 Line Length LED 18 Line 4 wire 33 M Maintenance 29 O Optical alarm problems 28 Optical interface connector 19 Optical Interface Multimode 32 Optical Interface Singlemode 31 Optical interface specifications 31 Optical LED 18 Optical LOS problems 28 P Power Connector pinout 35 Power LED 18 Power On Self Check Failure 29 Power problems 27 Powering the Unit 22 R Rear Pan...

Страница 38: ...61200664L1 1B OCU 45 User Manual 38 Index U UL requirements 23 Unit overview 17 ...

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