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FOM-E1/T1

E1/T1 Fiber Optic Modem

Version 2.0

INSTAL

LATION AND

OPERATION MANUAL

The Access Company

Содержание FOM-E1

Страница 1: ...FOM E1 T1 E1 T1 Fiber Optic Modem Version 2 0 INSTALLATION AND OPERATION MANUAL The Access Company...

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Страница 3: ...ion of the Manual or the FOM E1 T1 You are prohibited from and shall not directly or indirectly develop market distribute license or sell any product that supports substantially similar functionality...

Страница 4: ...ce or use of the FOM E1 T1 and in no event shall RAD s liability exceed the purchase price of the FOM E1 T1 DISTRIBUTOR shall be responsible to its customers for any and all warranties which it makes...

Страница 5: ...the fiber optic cable is intact and is connected to the transmitter Do not attempt to adjust the laser drive current Do not use broken or unterminated fiber optic cables connectors or look straight at...

Страница 6: ...tened securely with a screwdriver after both initial installation and subsequent access to the panels Connecting AC Mains Make sure that the electrical installation complies with local codes Always co...

Страница 7: ...terface ISDN Analog voice E M SELV Safety Extra Low Voltage Ports which do not present a safety hazard Usually up to 30 VAC or 60 VDC xDSL without feeding voltage Balanced E1 T1 Sub E1 T1 TNV 1 Teleco...

Страница 8: ...ling the equipment in a rack make sure to remove all traces of paint from the mounting points Use suitable lock washers and torque If an external grounding lug is provided connect it to the earth bus...

Страница 9: ...Emission Requirements This Class A digital apparatus meets all the requirements of the Canadian Interference Causing Equipment Regulation Cet appareil num rique de la classe A respecte toutes les exig...

Страница 10: ...4 1998 Information technology equipment Immunity characteristics A1 2001 A2 2003 Limits and methods of measurement Safety EN 60950 1 2001 Information technology equipment Safety Part 1 General require...

Страница 11: ...r E1 interface select its type balanced or unbalanced by setting the BAL UNBAL section of the rear panel DIP switch to appropriate position Table below provides details on the functions of the DIP swi...

Страница 12: ...r optic interface 3 Connect the power cable first to the modem then to the mains Operation starts when the power is applied to the rear panel power connector 2 Operating FOM E1 T1 1 Check that SW1 of...

Страница 13: ...ecting the Interfaces 2 3 Connecting the Fiber Optic Interface 2 3 Connecting the E1 T1 Interface 2 4 Connecting the Alarm Relay 2 4 2 7 Connecting to Power 2 4 Connecting AC Power 2 4 Connecting DC P...

Страница 14: ...Ver 2 0 DC Supply 5 3 Power Supply Redundancy 5 3 5 3 FOM E1 T1 R Front Panel 5 4 5 4 Installing the FOM E1 T1 R Card 5 5 Setting the Jumpers and Switches 5 5 Installing FOM E1 T1 R in the ASM MN 214...

Страница 15: ...ugh an RJ 45 connector or BNC connectors LED indicators on the front panel show the operational status of the modem Alarms indicating faults in modem operation are relayed via dedicated port Local and...

Страница 16: ...10 62 5 125 multimode LED 18 31 ST SC 9 3 5 7 1310 9 125 single mode Laser 12 40 ST SC FC 50 0 31 0 1310 9 125 single mode Laser long haul 2 40 ST SC FC 70 0 43 4 1550 9 125 single mode Laser 12 38 ST...

Страница 17: ...ck activation FOM E1 T1 features a dry contact alarm port DB 9 for attaching an external alert device When an AIS is detected at the optical or electrical interface the modem transparently converts th...

Страница 18: ...rocessing stages Signal conversion Data clock recovery Data transfer Signal Conversion Electrical signals are converted into an optical signal using an infrared light emitting diode or laser transmitt...

Страница 19: ...rmally Open and Normally Closed using different pins Maximum Ratings 1A 60 VDC 30 VAC Connector 9 pin D type female Indicators POWER ON The unit is powered up LLB ON The unit is in local loopback mode...

Страница 20: ...Technical Specifications FOM E1 T1 Ver 2 0 Power Wide Range Version 100 to 240 VAC 50 to 60 Hz 8 VA or 48 VDC 48 to 60 VDC 3W DC Version 24 VDC 4W Fuses FOM E1 T1 R 1A 250V and 50 mA 250V Environment...

Страница 21: ...oducts in the front matter of this manual AC powered FOM E1 T1 units should be installed within 1 5m 5 ft of an easily accessible grounded AC outlet capable of furnishing the voltage in accordance wit...

Страница 22: ...rack Use the K 33 drilling template included in this manual for mounting FOM E1 T1 on the wall 2 5 Setting the Jumpers and Switches Figure 2 1 illustrates the rear panel DIP switch Table 2 1 provides...

Страница 23: ...Unbalanced E1 75 SW5 AIS When a major alarm is detected AIS is transmitted to the electrical or optical interface ON Transmit AIS OFF Do not transmit AIS 2 6 Connecting the Interfaces Figure 2 2 illu...

Страница 24: ...e the protective earth terminals of this unit must be connected to the protective ground conductor of the mains AC or DC power cord If you are using an extension cord power cable make sure it is groun...

Страница 25: ...apter 2 Installation and Setup FOM E1 T1 Ver 2 0 Connecting to Power 2 5 To connect DC power Refer to the DC power supply connection supplements for instructions how to wire the DC adapters and to the...

Страница 26: ...Chapter 2 Installation and Setup Installation and Operation Manual 2 6 Connecting to Power FOM E1 T1 Ver 2 0...

Страница 27: ...3 1 Turning FOM E1 T1 On FOM E1 T1 starts operating as soon as it is connected to the power source The PWR LED turns ON and remains lit as long as the unit is connected to the mains 3 2 Controls and...

Страница 28: ...ck is active RLB Yellow ON A remote loopback is active ELEC LOSS Red ON E1 T1 electrical input is below G 703 level ELEC AIS Yellow ON E1 T1 electrical interface received All 1s string OPTICAL LOSS Re...

Страница 29: ...s see Chapter 3 Alarm Relays FOM E1 T1 has dry contact alarm relays The following fault conditions trigger the major and minor alarm relays A major alarm is initiated when E1 T1 electrical input drops...

Страница 30: ...d equipment outputs are not according to G 703 electrical levels Check that the output levels of equipment attached to FOM E1 T1 comply with G 703 electrical levels ELECTRICAL LOW LED is ON The SW3 SW...

Страница 31: ...k To activate a local loopback 1 Set SW2 RLB LLB of the rear panel DIP switch to the OFF LLB position 2 Set SW1 of the rear panel DIP switch to the ON LOOP ENABLE position The TEST LOC indicator light...

Страница 32: ...odems are not compatible Q Can I connect FOM E1 T1 with a balanced interface to FOM E1 T1 with an unbalanced interface A Yes Q What is the maximum distance between FOM E1 T1 and end equipment E1 link...

Страница 33: ...of the 14 cards the rear panel see Figure 5 1 contains a male connector for the terminal block and a DB 25 connector A protection cover protects the terminal block connectors For the balanced E1 T1 i...

Страница 34: ...s that protect the entire system against power failure due to a short circuit in one card see Figure 5 4 The ratings of the fuses are 1A 250V and 50 mA 250V The ASM MN 214 card cage can accept both AC...

Страница 35: ...Supply Redundancy Optional power supply redundancy provides two separate power supplies that operate together and share the load of the whole card cage If either of the power supplies fails the other...

Страница 36: ...anel of FOM E1 T1 R includes fiber optic connectors loopback initiation switch and LED indicators The front panel LEDs of the card version are functionality identical to those in the standalone device...

Страница 37: ...g the Jumpers and Switches The FOM E1 T1 R internal jumpers and switches are described in Table 5 1 Figure 5 4 illustrates the FOM E1 T1 R PCB layout INPUT OUTPUT SW1 SW3 GROUNDED GROUNDED FLOATING FL...

Страница 38: ...anced 75 ohm UNBAL CEPT E1 75 unbalanced Installing FOM E1 T1 R in the ASM MN 214 Card Cage To install FOM E1 T1 R into ASM MN 214 1 Install the ASM MN 214 card cage in the 19 inch rack 2 Insert the F...

Страница 39: ...FOM E1 T1 Ver 2 0 Installing the FOM E1 T1 R Card 5 7 Fiber Optic The ST SC or FC fiber optic connectors are located on the front panel of the modem card Alarm Relay The ASM MN 214 DB 25 connector se...

Страница 40: ...Chapter 5 FOM E1 T1 R Card Version Installation and Operation Manual 5 8 Installing the FOM E1 T1 R Card FOM E1 T1 Ver 2 0...

Страница 41: ...ta TRING Transmit Data B wire FOM E1 T1 output 4 Receive Path RTIP Receive Data A wire FOM E1 T1 input 5 Receive Path RRING Receive Data B wire FOM E1 T1 input DB 9 Alarm Relay Connector The 9 pin D t...

Страница 42: ...r on the rear panel of the ASM MN 214 modem rack serves as an alarm relay port Table A 3 lists the functions of the DB 25 pins Table A 3 ASM MN 214 DB 25 Pin Assignment Pin Contact Alarm Type 10 22 No...

Страница 43: ...documentation Please complete and return this form by mail or by fax or send us an e mail with your comments Thank you for your assistance Manual Name FOM E1 T1 version 2 0 Publication Number 284 200...

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Страница 45: ...Style spelling grammar references etc Appearance Other Please list the exact page numbers with the error s detail the errors you found information missing unclear or inadequately explained etc and att...

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Страница 48: ...Street Tel Aviv 69719 Israel Tel 972 3 6458181 Fax 972 3 6498250 6474436 E mail market rad com North America Headquarters 900 Corporate Drive Mahwah NJ 07430 USA Tel 201 5291100 Toll free 1 800 44472...

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