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Comdial Impact Dsu Instructions Manual

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    							2.14 Using The Add-On Expansion Module
    You can install one or two optional add-on expansion modules on the common equipment base
    unit to increase the line and station capacity of an installed system.
    The default numbering of the expanded lines and stations begin with the next higher line or
    station port number from that provided by the host base unit. The numbering continues
    sequentially from top module to bottom module if two modules are installed. For example: The
    defaulted 8-line, 16-station base unit provides station ports 10 through 25 and lines 1 through 8.
    When installed, a 408 Expansion module will provide station ports 26 through 33 and lines 9
    through 12 thus creating a 12 line by 24 station system.
    Each expansion module provides a tip and ring pair as an emergency power failure circuit. This
    circuit is connected to the first module-provided line.
    The line connections of the expansion module are available at two modular jacks. When facing
    the jack openings, lines 1 and 2 are provided by the jack on the right and lines 3 and 4 are
    provided by the jack on the left.
    Table 2–9: Connecting Lines To The G0408 Expansion Module
    Line
    JackPin
    Number ConnectionTelephone
    Number
    11 No Connection
    2 Line 2M Tip
    3 Line 1M Tip
    4 Line 1MRing
    5 Line 2M Ring
    6 No Connection
    21 No Connection
    2 Line 4M Tip
    3 Line 3M Tip
    4 Line 3M Ring
    5 Line 4M Ring
    6 No Connection
    IMI66–107Digital Telephone System
    Installing The DSU 2 – 41 
    						
    							2.14.1 Expansion Capabilities
    The 4-line 8-station expansion module adds station and line capability in several different
    combinations.
    Figure 2–20: Add-On Expansion Module Capabilities
    16-Line, 32-Station Base Unit
    4-Line, 8-Station Base Unit
    8-Line, 16-Station Base Unit
    CAJS089
    24-Port System
    8-LINES AND 16-STATIONS
    (BASE UNIT PLUS ONE EXPANSION MODULE)
    36-Port System
    12-LINES AND 24-STATIONS
    (BASE UNIT PLUS ONE EXPANSION MODULE)
    48-Port System
    60-Port System
    72-Port System
    16-LINES AND 32-STATIONS
    (BASE UNIT PLUS TWO EXPANSION MODULES)
    20-LINES AND 40-STATIONS
    (BASE UNIT PLUS ONE EXPANSION MODULE)
    24-LINES AND 48-STATIONS
    (BASE UNIT PLUS TWO EXPANSION MODULES)
    Digital Telephone SystemIMI66–107
    2 – 42 Installing The DSU 
    						
    							2.14.2 Connecting Stations To The Expansion Module
    The station connections are available at a 50-pin connector.
    Table 2–10: Connecting Stations To The G0408 Expansion Module
    25-Pair Connections Two-Wire Connections Station Connections
    Wire Color Pair Pin No.Clip
    Term.Pair Wire Color Station Location
    White-Blue
    126 1
    Signal PathGreen
    1M
    Blue-White 1 2 Red
    White-Orange
    227 3
    Signal PathGreen
    2M
    Orange-White 2 4 Red
    White-Green
    328 5
    Signal PathGreen
    3M
    Green-White 3 6 Red
    White-Brown
    429 7
    Signal PathGreen
    4M
    Brown-White 4 8 Red
    White-Slate
    530 9
    Signal PathGreen
    5M
    Slate-White 5 10 Red
    Red-Blue
    631 11
    Signal PathGreen
    6M
    Blue-Red 6 12 Red
    Red-Orange
    732 13
    Signal PathGreen
    7M
    Orange-Red 7 14 Red
    Red-Green
    833 15
    Signal PathGreen
    8M
    Green-Red 8 16 Red
    Red-Brown
    934 17
    Spare Pair Brown-Red 9 18
    Red-Slate
    1035 19
    Slate-Red 10 20
    Black-Blue
    1136 21
    Blue-Black 11 22
    Black-Orange
    1237 23
    Orange-Black 12 24
    Black-Green
    1338 25
    Green-Black 13 26
    Black-Brown
    1439 27
    Brown-Black 14 28
    Black-Slate
    1540 29
    Slate-Black 15 30
    Yellow-Blue
    1641 31
    Blue-Yellow 16 32
    Yellow-Orange
    1742 33
    Orange-Yellow 17 34
    Yellow-Green
    1843 35
    Green-Yellow 18 36
    Yellow-Brown
    1944 37
    Brown-Yellow 19 38
    Yellow-Slate
    2045 39
    Slate-Yellow 20 40
    Violet-Blue
    2146 41
    Blue-Violet 21 42
    Violet-Orange
    2247 43
    Orange-Violet 22 44
    Violet-Green
    2348 45
    Green-Violet 23 46
    Violet-Brown
    2449 47
    Brown-Violet 24 48
    Violet-Slate
    2550 49
    Signal PathTip
    Power Fail Station
    Slate-Violet 25 50 Ring
    IMI66–107Digital Telephone System
    Installing The DSU 2 – 43 
    						
    							2.14.3 Installing The Add-On Expansion Module
    Each add-on expansion module measures 15.5 wide x 9.4 high x 1.6 wide and weighs
    approximately 4 pounds. The modules are designed so that you can attach them to the base unit
    and connect them to it via cabling.
    NOTE: If you plan to upgrade the system software at the same time that you add expansion
    modules, be sure to add the expansion modules first by following steps 1 through 11.
    After you have installed the expansion modules and programmed for the new stations
    and line ports, you can then upgrade the software as described in the discussion
    titled,Upgrading The System Software.
    To install an expansion module to a base unit, follow the procedure detailed in steps 1–11.
    CAUTION
    You must always connect the first module to the top location on the base unit.
    1. Disconnect both AC power and external battery back-up power from the system.
    2. Remove and set aside nameplate from base unit. This action exposes internal cable connector
    on base unit circuit board.
    3. Reach through opening in base unit and mate module cable plug with base unit circuit board
    connectors.
    4. Push excess cable inside base unit housing through connector opening.
    5. Install expansion module in place on all four mounting holes. Be sure excess cable is not
    pinched between add-on module and base unit.
    6. Pull module down to latch in place.
    7. Use flat-blade screw driver to tighten module securing screw into base unit threaded fastener.
    8. Snap nameplate into slots on top of module housing.
    9. Attach #10 or #12 insulated, solid copper wire between the frame ground stud on the
    expansion module and the frame ground stud on the common equipment cabinet.
    10. Reconnect the power to the system.
    11. Refer to Chapter 3, and perform configuration programming for new station and line ports.
    Digital Telephone SystemIMI66–107
    2 – 44 Installing The DSU 
    						
    							Figure 2–21: Installing The Add-On Expansion Module
    Typical Base Unit
    Typical Add-On Module
    (8-Line, 16-Station Base Unit)
    Nameplate
    (Remove to expose base
    unit connectors)
    To p
    Location
    Bottom
    LocationUpper Mounting Holes
    (2 Places)
    Lower Mounting Holes
    (2 Places)
    Connecting Cable
    and Plug
    Snap Slots for
    Nameplate Securing
    ScrewGround
    Modules
    to Base
    Unit
    AM012
    IMI66–107Digital Telephone System
    Installing The DSU 2 – 45 
    						
    							2.15 Upgrading The System Software
    The following sections contain information on safety precautions you should take before
    working on the common equipment, procedures for making a copy of the call cost records before
    upgrading software, instructions for replacing the software cartridge, and instructions for master
    clearing the system to load the new software.
    2.15.1 Creating A Static Safe Work Area
    CAUTION
    Circuit boards are susceptible to damage caused by electrostatic discharge, and you must keep
    this fact in mind as you handle them.
    When servicing the common equipment cabinet, it is a good practice to prepare a static-safe
    work area on which to service the cabinet.
    Supply yourself with a static discharge wrist strap, and wear it every time you handle electronic
    circuit boards either at the cabinet mounting location or at your work area.
    Figure 2–22: Creating A Static Safe Work Area
    Digital Telephone SystemIMI66–107
    2 – 46 Installing The DSU 
    						
    							2.15.2 Saving The Call Cost Records
    To save the call cost records,
    1. Make a copy of the call cost records and then delete them from the system memory per the
    following procedure:
    To print records: pressINTERCOM, dialS# 076#, and pressSPEAKER.
    To delete records: pressINTERCOM, dialS# 077#, and pressSPEAKER.
    2. Use the VDT programming procedure to save the current system data base on a PC.
    IMI66–107Digital Telephone System
    Installing The DSU 2 – 47 
    						
    							2.15.3 Replacing The Software Cartridge
    Upgrading software in the digital telephone system consists of removing the current software
    cartridge and exchanging it with a board containing updated software.
    CAUTION
    To avoid any chance of electrostatic discharge damage to the softtware cartridge, avoid
    touching the connector with your fingers while handling it. Be sure to disconnect the AC
    power and battery back up to the base unit before installing or removing a software cartridge.
    To remove a cartridge,
    1. Place the end of a flat-blade screwdriver into the removal notch. Lift up on the cartridge with
    the screwdriver to un-mate the connections.
    2. Slide the cartridge out of the base unit.
    NOTE: Only replacement software designed for a particular cabinet may be put in that
    cabinet. Example: Only 408 software will work in the 408 cabinet.
    To install a cartridge,
    1. Orient the cartridge so that the connector end is toward the base unit opening. The removal
    notch, located at the top rear of the cartridge, should point to the front of the base unit.
    2. Gently insert the cartridge into the base unit cabinet until it seats into place. Press down on
    the cartridge to secure the connection.
    Digital Telephone SystemIMI66–107
    2 – 48 Installing The DSU 
    						
    							Software
    Cartridge Typical
    Common Equipment
    Base Unit
    (Lift out to remove)
    CAJS091A
    Software
    Cartridge Typical
    Common Equipment
    Base Unit
    (Push in to install)
    CAJS091
    Figure 2–23: Removing The Software Cartridge
    Figure 2–24: Installing The Software Cartridge
    IMI66–107Digital Telephone System
    Installing The DSU 2 – 49 
    						
    							2.15.4 Master Clearing The System
    To reboot the system and load the new software,
    1. Restore power to the system.
    2. Perform the master clear procedure from the VDT or at the programming station as follows:
    ·pressINTERCOM,
    ·dialS# 746S,
    ·dial90,
    ·dial51684,
    ·pressSPEAKER.
    3. Use the VDT programming procedure to re-load the system data base into the system
    memory.
    Digital Telephone SystemIMI66–107
    2 – 50 Installing The DSU 
    						
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