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MDFU and MDFU-E Jumpers, External Line Network (Not for U.S.)
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DANGER Connect the system to protective ground before connecting the stations. |
Most main distribution frames do not have an external side. You must jumper them to the incoming line network (see jumpering duct: Figure 4-29 for MDFU,
Figure 4-30 for MDFU-E). Use a standard wiring tool for laying the cable wires.
Surge Protector (Not for U.S.)
To protect against surge voltage caused by lightning strikes, use the supplied surge protectors for analog subscriber boards (SLA16, SLA8N, SLA16N, and SLA24N), the CMI board (SLC16 or SLMC8) and loop start boards (TML8W). Connect the polarized surge protectors to the plugging locations on the splitting strip described above.
Splitting and Jumper Strips (View From Above) (Not for U.S.)
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Layout and Dimensions of the MDFU (Not for U.S.)
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Layout and Dimensions of the MDFU-E (Not for U.S.)
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Connecting Network Facilities (for U.S. Only)
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DANGER Ground the system properly before connecting the stations. |
Connecting to the Point of Demarcation (for U.S. Only)
Most main distribution frames (MDFs) are designed with a network demarcation block. You must cross-connect the MDF to the incoming trunks. Use a standard wiring tool for laying the cable wires.
Connecting to T1, PRI, or CorNet (for U.S. Only)
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Caution The TMST1 Module can be installed only in conjunction with a Listed channel service unit (CSU). |
Secondary Protection (for U.S. Only)
Introduction
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Caution Always wear an antistatic wristband when working on the system (especially when handling boards). Connect the wristband to the slide-in shelf in the cabinet using the alligator clip. |
Outside the U.S., the cabinets are already equipped with the boards needed for the customer-specific requirements when the system is delivered.
In the U.S., you may need to install the boards.
The central board (CBMOD) is not always fully equipped when delivered. Optional plug-in boards are packaged individually.
Dual Board Connector for Flash Memory and Modem Cards on the CBMOD
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Insert the FMC in the left connector on the CBMOD (see Figure 4-31). |
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Insert the IMOD (if used) in the right connector on the CBMOD (see Figure 4-31).
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Socket for Clock Generator Module on the CBMOD Board
Connect the CGM board (if used) to the plug contact provided for it on the CBMOD. Control Board CBMOD (see Figure 4-32).
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Introduction
Outside the U.S., the cabinets are already equipped with the boards needed for the customer-specific requirements when the system is delivered. In the U.S., you may need to install the boards.
Board Slots in "7-Slot" Cabinets
Eight board slots are available in each cabinet. The following boards are assigned permanent slots:
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CBMOD central processor board -> slot 01 in the BC |
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CONBO connection board (in a three-cabinet system only) -> slot 17 in EC2 |
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PSUI/UPSM power supply unit -> slot 08 in the BC, slot 16 in EC1, slot 24 in EC2 |
Do not place boards in slot 09 in EC1 (two-cabinet system).
Depending on their width, peripheral boards can be inserted in slots 02 to 07 in the BC, 10 to 15 in EC1 and 18 to 23 in EC2 (the adhesive label beneath each slot identifies the slot) (see Figure 4-33).
Slots in "7-Slot" Basic and Expansion Cabinets
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Board Slots in "8-Slot" Cabinets
Nine board slots are available in each cabinet. The following boards are assigned permanent slots:
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CBMOD central processor board -> slot 01 in the BC |
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PSUI/UPSM power supply unit -> slot 09 in the BC, slot 18 in EC1, slot 27 in EC2 |
Depending on their width, peripheral boards can be inserted in slots 02 to 08 in the BC, 10 to 17 in EC1 and 19 to 26 in EC2 (the adhesive label beneath each slot identifies the slot) (see Figure 4-34).
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Because system administration can only be performed using an optiset E telephone, an SLMO board must always be located in the first slot for peripheral boards (BC, slot 02). |
Slots in "8-Slot" Basic and Expansion Cabinets
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Width of the Peripheral Boards
Peripheral boards are divided into
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Wide boards requiring a slot 45 mm (1.75 in.) wide (Not for U.S.: TML8W with GEE8) |
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Not for U.S.: Use a 45 mm slot for the TML8W even if you are not installing a GEE8 so that you can easily add a GEE8 later. |
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Narrow boards requiring a slot 30 mm (1.2 in.) wide (all other boards) |
You can insert wide boards into a 30 mm (1.2 in.) slot, but if you do so, you can no longer use the adjacent slot.
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Caution Always wear an antistatic wristband when working on the system (especially when handling boards). |
Initializing the Boards
The first time the system starts up, the system software detects the boards in ascending order, starting with the lowest installation position. The system initializes subscriber line circuits and ports the direction of the arrow (Figure 4-35).
The system activates all connected boards in the following situations:
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The maximum configuration has not yet been reached. While sequentially scanning the slots for each board, the system software checks whether the maximum number of stations or trunks has been exceeded. If it has, the board is not activated. The board LED shows the board's status. |
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At least one B channel on line trunk modules is available for the slot (only the available number of B channels is activated). |
Initialization of Subscriber Line Circuits and Ports
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Recommended Configuration (for U.S Only)
To avoid B-channel blocking, install the TMST1 board only in the BC or in the first two slots of the ECs. Hicom Assistant E Office observes this rule when performing off-line configuration.
Distribution of the PCM Segments
The figures below show the PCM segments (64 time-division multiplex channels each) for the different OfficePro system configurations.
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Caution To ensure smooth system operation, observe the following rules for inserting boards:
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PCM Segments for a One-Cabinet System:
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PCM Segments for a Two-Cabinet System
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PCM Segments for a Three-Cabinet System
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Introduction
Peripheral boards can be inserted and removed while the power is connected (OfficePro only).
Be sure to disconnect the system power before removing or replacing the following. In the U.S., use lockout/tagout (LOTO) procedures.
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CBMOD |
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CONBO |
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REAL |
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FMC |
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IMOD |
Two levers are attached to the front corners of the boards for inserting and removing the boards. When closed, these levers engage with the board, locking it in place.
See Section 6.1.2 for information on how to add new peripheral boards.
Procedure for Inserting and Removing the Boards (Figure 4-39)
If |
Then |
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Unlocking the board (1) |
Swing both plastic levers outward simultaneously. You can now pull the board out of the system on its guide rails. |
Locking the board (2) |
Slide the board into the system using its guide rails. Insert the hooks on the locking levers into the recesses in the shelf. Press down on both levers simultaneously in the direction of the shelf until they snap into place. |
Locking and Unlocking Boards
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Special Board Attachments
The power supply is screwed onto the grill of each cabinet.
The special REAL board is mounted on the metal back panel (basic cabinet only) and connected to the backplane with a ribbon cable.
Refer to Chapter 9, Desktop Equipment" for details.
Introduction
Before starting up the system, you must perform a visual inspection of the hardware, cables and the power supply. The procedure is shown in Table 4-7. The visual inspection must be performed while the system is disconnected from the power supply.
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DANGER Before beginning work, make sure that the system is grounded and disconnected from the power supply. Use lockout/tagout (LOTO) procedures.Observe the measures for protecting electrostatically sensitive devices. |
Visual Inspection Procedure
Step |
Activity |
Materials |
Action |
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1. |
Compare the slots for the existing boards with the card map. |
Card map |
Correct the board configuration and notify the sales department. |
2. |
Check all boards for proper seating. |
Refer to page 4-64 Check the additional mechanical attachments for the PSUI/UPSM. |
Reconnect and fasten the boards. |
3. |
Check the local line voltage. |
Digital multimeter |
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After finishing the visual inspection, you can begin starting up the system as described in Section 5.1, "Hicom 150 E OfficePro Startup," on page 55-1. |
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Hicom 150 H V1.0 - Hicom 150 E Office Rel.2.0-3.0 Service Manual | Siemens Part No.: P31003-M1550-X403-3-7620 | Conversion Date: 2000-08-24 |
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Contact: E-Doku-Team | © Siemens AG 2001 |