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CHAPTER 3

POWERING UP THE SNI SHELF

Powering Up the SNI Shelf

Reinstall the 41632 card, if previously removed, before performing the
following steps. Also, make sure the source power supply is still turned off.

1. With the front panel removed, verify the toggle switch is in the “off”

position (to the right).

2. Turn on the external power source.
3. Flip the toggle switch to the “on” position (to the left).
4. The green light on the 41620 card (Power Supply) should be

illuminated. If not, please refer to Chapter 5, Troubleshooting and
Alignment.

5. Reattach the front panel.

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Summary of Contents for 40710D-600

Page 1: ...Raven 40710D 600 Switched Network Interface Users Manual Raven Electronics Corporation 2002 Raven Electronics Corporation All rights reserved Rev 02 ...

Page 2: ...g the PSTN or PABX 8 Accessing the Service Channel Network from PSTN or PABX 8 Ending a Call 8 CHAPTER 5 TROUBLESHOOTING and ALIGNMENT 9 Equipment Needed for Troubleshooting and Alignment 9 41675 Switched Network Interface 9 41632 DTMF Address Decoder 11 41620 Power Supply 11 CHAPTER 6 SPECIFICATIONS 12 TABLE A DIAGRAMS 13 Back Panel Diagram 13 40710D 600 Wiring Diagram 14 41620 Power Supply Block...

Page 3: ...nufactured by Raven is warranted against defective materials and workmanship for a period of two 2 years from the date of delivery to the original purchaser or end user Liability under this warranty is limited to servicing adjusting repairing or replacing as necessary any equipment returned to the factory transportation prepaid for that purpose Factory examination must disclose a manufacturing def...

Page 4: ... module is reset by a momentary loss of loop or by a DTMF All Clear Code Should these fail to reset the 41675 module a VOX controlled time out circuit will prevent the module from holding the 2 wire line in the off hook condition indefinitely The VOX circuit monitors the 4 Wire 4W Receive RCV port and if no Voice Frequency VF energy is detected for the user programmed time period the module is res...

Page 5: ...sing harm to the telephone network the telephone company may request that the equipment be disconnected until the problem is resolved Do not attempt to service this module It does not contain any user serviceable components 41632 DTMF Address Decoder The Raven 41632 DTMF Address Decoder monitors the 4 wire input of the 41675 Switched Network Interface and provides detection and address decoding of...

Page 6: ...ven supplies the hardware for the mounting on the chassis but not on the rack The flanges included with your Switched Network Interface SNI Shelf are not interchangeable between 19 and 23 Please specify the flange size needed when ordering 1 Hold unit in place in the rack 2 Place a washer and screw in one of the four holes and tighten it to the rack Please refer to the picture below 3 Repeat Step ...

Page 7: ...Connect Receive RCV B1 B2 on the SNI Shelf to Transmit XMT on the customer provided equipment typically an orderwire radio or fiber optic equipment with a twisted pair of wire 2 Wire Connection Connect a twisted pair of wire from the 2W SNI B4 B5 to the PSTN phone line or to a PABX or plug an RJ11 into the SJ2 2W SNI jack 5 FUNCTION REAR TERMINAL CONNECTIONS SUGGESTED WIRE Transmit XMT B9 B10 24 G...

Page 8: ...he board from the front Digit 1 4 on the switch are labeled from left to right corresponding to switch positions 1 4 You will need to refer to the chart below to program the correct codes ON 1 2 3 4 1 2 3 4 0 1 0 1 1 0 0 0 0 1 0 0 1 1 0 0 0 0 1 0 1 0 1 0 0 1 1 0 1 1 1 0 0 0 0 1 1 0 0 1 1 1 0 1 0 0 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 0 0 0 C D Desired DTMF Digit All Call All Clear A B 6 7 8 9 2 3 4 5 1 o...

Page 9: ...wer supply is still turned off 1 With the front panel removed verify the toggle switch is in the off position to the right 2 Turn on the external power source 3 Flip the toggle switch to the on position to the left 4 The green light on the 41620 card Power Supply should be illuminated If not please refer to Chapter 5 Troubleshooting and Alignment 5 Reattach the front panel 7 ...

Page 10: ...ngback before the 41675 module activates When ringback ceases the 41675 module has answered the call and the user will hear a brief confirmation tone The user can then dial the DTMF code of the desired terminal within the service channel Ending a Call When a call is terminated one of the users should send the DTMF digit All Clear which will return the 41675 SNI module to the idle on hook condition...

Page 11: ...is inserted into a signal path that port may be double terminated To insure correct test tone levels bridge the signal generator with a high impedance AC voltmeter When the signal generator is connected to the input port set the level to that specified by Attachment A as read on the AC voltmeter When taking output level readings the AC voltmeter will be either terminated or bridged If it is unknow...

Page 12: ...nected connect a floating signal generator earth ground isolated at the AC supply to pins M and N 2 wire SNI on the 42067 Extender Card 15 The signal ground side of the signal generator must be isolated from loop current through a 2µf capacitor Adjust the signal generator frequency to 1KHz at the level specified by Attachment A for 2 wire SNI IN as read on the AC voltmeter 16 Connect the AC voltme...

Page 13: ...the left 41632 DTMF Address Decoder Alignment Procedure The DTMF Address Decoder does not require alignment If the 41632 DTMF Address Decoder does not appear to function double check strapping and switch settings as detailed in Attachment A shipped inside the chassis 41620 Power Supply Alignment Procedure 1 Turn power ON and verify LED CR7 illuminates 2 Connect a DC voltmeter to test points TP1 an...

Page 14: ...loss of loop or VOX timeout for on hook condition LINE IMPEDANCE 600Ώ balanced 5 INPUT OUTPUT LEVELS 4 Wire Port 16 to 7 dBm continuously adjustable 2 Wire Port 0 dBm nominal ENVIRONMENTAL Operating Temperature 0 C to 50 C Storage Temperature 40 C to 80 C Relative Humidity 0 to 95 non condensing DIMENSIONS Width 19 00 inches rackmount Depth 12 00 inches 30 48 cm Height 1 75 inches 4 45 cm 1 ru WEI...

Page 15: ...k Panel Diagram Curtis Screw Lug Terminal Blocks Do Not Require Lugs on Wire Ends 13 40710D 600 Switched Network Interface Shelf Rear View B A RCV 2W SNI LBO XMT M LEAD GND 24 TO 56 VDC IN NO C 1 10 SJ2 2W SNI SJ1 DC POWER INPUT 1 10 ...

Page 16: ...TABLE A DIAGRAMS 40710D 600 Wiring Diagram 14 ...

Page 17: ...15 ...

Page 18: ...16 ...

Page 19: ...17 ...

Page 20: ...NECTIONS 40710D 600 Installer Connections 18 FUNCTION REAR TERMINAL CONNECTIONS SUGGESTED WIRE Transmit XMT B9 B10 24 GA Receive RCV B1 B2 24 GA 2W SNI B4 B5 24 GA Power PWR A1 24 TO 56VDC IN 18 GA Power PWR A2 Ground 18 GA ...

Page 21: ...power 40710D 640 Switched Network Interface Shelf with 4 Way Bridge Includes 4 modules 41632 Address Decoder 41675 Switched Network Interface 41685 4 Wire 4 Way Bridge 41620 01 DC Power Supply 20 to 56 VDC input power One Bridge leg is internally wired this allows 3 external VF ports 40710A 640 Switched Network Interface Shelf with 4 Way Bridge Same as above however the power supply is V420 2403 A...

Page 22: ...ment in full Risk of loss of the equipment or any part of the same shall pass to the purchaser upon delivery of such equipment or parts F O B Raven s manufacturing facility 12 CANCELLATIONS 0 An order once placed with and accepted by Raven can be canceled only with Raven s consent and upon terms which indemnify Raven against loss 13 WARRANTY 0 This warranty expressly precludes any liability by Rav...

Page 23: ...Raven Electronics Corporation 400 Edison Way Reno Nevada 89502 775 858 2400 Phone 775 858 2410 Fax Web site www ravencomm com ...

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