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Video Codec Enclosure (VCE) 323-3221-291 Rel 1.0 Standard

ii

Publication history

July 1995

Standard issue for general release.

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Содержание NT2H57UG

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

Страница 2: ......

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 49: ......

Страница 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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