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Installation Manual 323-3221-291 Rel 1.0 Standard

Broadband Access & Video Networks

Video Codec Enclosure
(VCE)

Installation Manual



1995 Northern Telecom

DV-45 is a trademark of Northern Telecom

Publication number: 323-3221-291
Product release: Rel 1.0
Publication status: Standard
PEC: NT2H57UG
Date: July 1995

Summary of Contents for NT2H57UG

Page 1: ...NT2H57UG 323 3221 291 Broadband Access Video Networks Video Codec Enclosure VCE Installation Manual Standard Rel 1 0 July 1995...

Page 2: ......

Page 3: ...ccess Video Networks Video Codec Enclosure VCE Installation Manual 1995 Northern Telecom All rights reserved DV 45 is a trademark of Northern Telecom Publication number 323 3221 291 Product release Re...

Page 4: ...Video Codec Enclosure VCE 323 3221 291 Rel 1 0 Standard ii Publication history July 1995 Standard issue for general release...

Page 5: ...Installing a VCE 2 1 Receiving a VCE 2 1 Locating a VCE 2 1 Mounting a VCE 2 2 Free standing installation 2 3 Cabinet installation Zone 4 earthquake 2 5 Cabinet installation wall mount 2 10 Installing...

Page 6: ...ts Video Codec Enclosure VCE 323 3221 291 Rel 1 0 Standard Optical fibers 4 3 Laser radiation 4 3 Bending optical fibers 4 3 Handling optical fibers 4 3 Splicing optical fibers 4 4 Repairing optical f...

Page 7: ...CE meets all regulatory requirements for the Underwriters Laboratories UL Canadian Standards Association CSA and the Federal Communication Commission FCC when equipped with the standard application co...

Page 8: ...haracteristics of a VCE are presented in terms of its weight dimensions mounting options and external alarm indicators Cabinet weight A VCE is mounted on a cardboard protected palletized platform for...

Page 9: ...al Wall Mounting Kit A VCE is equipped with integral leveling feet for free standing installations Alarm indicators No external alarm indicators are provided on a VCE to indicate the state of equipmen...

Page 10: ...t is prewired through the interface plate This is attached to a 7 5 A breaker on the interface plate see Figure 1 2 on page 1 3 Note If a VCE is bolted to the floor or wall local electrical practices...

Page 11: ...on page 1 3 There are two versions of the signal interface panel see Figure 1 4 and Figure 1 5 See Table 1 1 for connector pinouts Figure 1 4 Knockout interface panel included in PEC NT2H57AA Figure 1...

Page 12: ...Tx DCS Monitor Ch1 White Blue 8 Tx DCS Monitor Ch2 White Orange 9 not connected RS 422 Cable NT2H5730 1 not connected 2 Tx DCS Monitor Ch3 Blue White 3 Rx DCS Monitor Ch4 Orange White 4 5 not connecte...

Page 13: ...57AA A0626349 VCE cabinet with connectorized interface panel DV 45 shelf power supply and 10 ft ac power cord NT2H57AB A0636399 Optional parts Wall mounting kit NT2H57KB A0626353 Floor mounting kit Zo...

Page 14: ...1 8 Introducing a VCE Video Codec Enclosure VCE 323 3221 291 Rel 1 0 Standard...

Page 15: ...Nortel immediately the phone numbers are on the shipping order The cabinet may be transported to the installation site by hand truck or carried by two people Locating a VCE A VCE is designed for indo...

Page 16: ...device must be used Read through the appropriate procedure before proceeding with the installation A VCE may be installed free standing on the floor see Procedure 2 1 on page 2 3 floor mounted in a zo...

Page 17: ...of a suitable ac power outlet Check where power and signal cables are to be run Arrange for any site preparation work to be done prior to installation of the VCE Tools 1 Level 1 5 32 in Allen key 1 F...

Page 18: ...5 shelf for a typical application see Figure 1 2 on page 1 3 but do not insert them into the backplane That is leave the latches closed 9 Check that the option switches on each card have been set corr...

Page 19: ...Zone 4 earthquake protection using the Floor Mounting Kit PEC NT2H57KC option A VCE must be connected to the local power through a conduit or armoured cable Note 3 The Floor Mounting Kit PEC NT2H57KC...

Page 20: ...t holes for lag bolts in wood or clearance holes for machine bolts in steel Note If the VCE is not installed immediately after drilling the anchor holes cover the anchor holes with adhesive tape 4 Rem...

Page 21: ...VCE to its final position in the equipment lineup and level the unit by adjusting the levelling feet 7 Install the anchor bolts provided with the associated installation kit through the VCE base into...

Page 22: ...gh conduit or armoured cable Northern Telecom recommends the use of TECH 90 cable The supply should be from a 15 A breaker with an associated double pole manual disconnect Note 1 Ensure that the ac po...

Page 23: ...Check that the option switches on each card have been set correctly The correct settings are application specific for example see DVLN Classroom Site Equipment Installation 323 1411 301 for the DVLN...

Page 24: ...conduit or armoured cable Note 3 AVCE cabinet can only be mounted to a wood stud or cement wall using the Wall Mounting Kit PEC NT2H57KB option Do not mount the cabinet on a metal stud wall A minimum...

Page 25: ...ll bit The size of the hole depends on the fastener that you are using The screws must be at least 1 4 in 6 4 mm diameter Drill the holes at least 3 00 in 76 mm deep Use a vacuum cleaner to remove cem...

Page 26: ...e wall bracket is level 6 Remove the cardboard protection from the VCE Using a 5 32 in Allen key remove the four cover retaining screws and slide the cover off the VCE see Figure 2 7 Note If the cover...

Page 27: ...45 equipment See the application specific documentation 14 Put on an antistatic bracelet to protect the DV 45 circuit packs 15 Unpack all the DV 45 circuit packs 16 Insert the cards in the DV 45 shel...

Page 28: ...2 14 Installing a VCE Video Codec Enclosure VCE 323 3221 291 Rel 1 0 Standard...

Page 29: ...tting DV 45 card options For information on setting DV 45 card options and system testing refer to the application specific documentation for example see the DVLN System Documentation PEC NT2H65AC for...

Page 30: ...the cables and install male BNC connectors on both 3 Remove the 4 cover retaining screws and slide off the VCE cover 4 Put on an antistatic bracelet to protect the DV 45 cards from damage Refer to Obs...

Page 31: ...ER DECODER CODEC 4 CODEC 3 CODEC 2 CODEC 1 VIDEO DS3 INPUT OUTPUT FIELD PORT 1 PORT 2 RS 232 BAT A BAT B DS1 FIELD FUSES RET BAT BAT RET A B POWER MONITOR PROGRAM MONITOR PROGRAM MONITOR PROGRAM MONIT...

Page 32: ...rrier facility connections Requirements The VCE has already been installed see Installing a VCE on page 2 1 Action Step Action 1 Observe all precautions in Observing safety guidelines on page 4 1 2 En...

Page 33: ...DMI F45 module 6 Connect the connectorized power cable already installed in the VCE which runs from the power supply unit to the DMI F45 module 7 After reconnecting the power verify that power is bei...

Page 34: ...ffic has been removed from the optical interface as this procedure requires disconnecting the fiber from the DV OC3 unit Tools and materials continued Can of compressed air CG Electronics Airjet II or...

Page 35: ...d air in an upright position apply a short burst of air perpendicular to the ferrule of the connector that is across the end face 9 Moisten a new low lint cloth with alcohol Note Never reuse cleaning...

Page 36: ...inger tight 20 Seat the tips of the fiber cables by gently pushing the heat shrink cable onto the plug 21 Repeat steps 6 through 17 for the second connector Then go to step 29 Figure 3 4 FC connector...

Page 37: ...together and seat the tips of the fiber cables by gently pushing the heat shrink cable 25 Repeat steps 6 through 17 for the second connector Then go to step 29 Figure 3 5 ST connector assembly FW 108...

Page 38: ...the optical cables using standard optical testing procedures 31 If the optical output power or optical cable integrity are not satisfactory remove the patchcord connectors from the DV OC3 unit and co...

Page 39: ...er 1 DCS and 1 MCU two rooms with 2 Coders 2 Decoders 2 DCS and 1 MCU three separate video signals optically encoded as a single OC3 signal into one room In general DV 45 Coder Decoder or DCS cards ca...

Page 40: ...4 Use Figure 3 9 Figure 3 10 or Figure 3 11 to determine the card position in the DV 45 shelf 5 Align the card with the slot and insert part way into the slot 6 Open the latches on the card as shown...

Page 41: ...45 shelf Figure 3 9 Card positions in a DV 45 shelf with a single drop insert configuration FW 2483 2 Figure 3 10 Card positions in a DV 45 shelf with a dual drop insert configuration FW 2483 7 contin...

Page 42: ...cedure 3 4 continued Installing cards in a DV 45 shelf Figure 3 11 Card positions in a DV 45 shelf with a single drop insert two unidirectional video channels and an OC3 connection configuration FW 31...

Page 43: ...t Action Step Action 1 Disconnect and isolate the VCE from its ac power source switch off the VCE power supply breaker and disconnect the VCE from the 120 Vac power source 2 Remove the 4 cover retaini...

Page 44: ...ply This involves making 7 connections a Connect the red wires to and S connected to fuses F1 and F2 b Connect the white red wires to S and connected to TB1 3 c Connect the green wire to GRD connected...

Page 45: ...unding cord its function is to rapidly dissipate charges to ground Alternative personnel ground methods can be used for example conductive carpeting conductive shoes or heel grounding assemblies An el...

Page 46: ...nits must be left in the original shipping container until required To prevent damage to DV 45 units while they are in storage necessary precautions must be observed to avoid accumulation of dirt or d...

Page 47: ...might be present This level of radiation is of sufficient magnitude to cause injury to personnel and caution must therefore be exercised to avoid exposure This precaution applies to any point in the s...

Page 48: ...r using an eye loupe a small magnifier Observe the following precautions Before starting the splicing power off all laser sources to the fiber or disconnect the remote fiber end from the laser sources...

Page 49: ......

Page 50: ...Networks Video Codec Enclosure VCE Installation Manual 1995 Northern Telecom All rights reserved Information subject to change without notice NTP number 323 3221 291 PEC NT2H57UG Rel 1 0 Standard July...

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