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Introduction
The SLC16 board (Subscriber Line Module Cordless) connects up to16 Hicom cordless EM base stations to Hicom 150 E OfficePro and Hicom 150 E OfficeCom (slot 10 only). This configuration supports up to 64 simultaneous connections with active stations.
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When Hicom cordless EM is initially installed, the Hicom cordless system number (DECT ID) is supplied along with the SLC16. Replacement boards are always delivered without a Hicom cordless system number. Installing the SLC16 and entering the Hicom cordless system number releases 16 mobile units for use (PIN numbers are assigned). These mobile units can then be logged on to the system. Any additional mobile units to be used must first be released (refer to Section 8.37). |
Base stations must be clocked with a high degree of accuracy for Hicom cordless EM. Install the plug-in CGMC/CGM module on the CBMOD board (OfficePro) or the plug-in CGMC/CGUM module on the CBPC board (OfficeCom) to ensure clock accuracy.
Switches and LEDs
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LED Statuses and Their Meanings
Cable and SU Connector Assignment (Backplane)
Options for Supplying Power to Base Stations
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For information on connecting the base stations, refer to the Hicom cordless EM service manual. |
Each base station must be connected to the SLC16 via the main distribution frame (MDFU or MDFU-E).
Signal propagation times differ due to the varying distances between the base stations, the system, and the connecting cables used (refer to the Hicom cordless EM service manual). The SLC16 automatically equalizes these propagation times.
The distance between the base station, the system, and the connecting cables also determines which base station power-supply method should be used. The power supplied must not exceed the 35 V minimum input voltage for a base station.
The following options are available for supplying power to the base stations:
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Base station power supply via one UP0/E interface and EPSU1 (page 3-85) |
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Power supply to the base station via EPSU1 and the outdoor cover heating unit via EPSU2 (page 3-86) |
Base station power supply via two UP0/E interfaces (page 3-87)
Base Station Power Supply Via One UP0/E Interface and EPSU1
Connect the base station to a free interface on the SLC16 and to the EPSU1, as shown in Figure 3-27. Be careful not to exceed the maximum connecting cable lengths (1,000 m for 2x2x0.6 mm).
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Power Supply to the Base Station Via EPSU1 and the Outdoor Cover Heating Unit Via EPSU2
Connect the base station to a free interface on the SLC16 and to the EPSU1 or EPSU2, as shown in Figure 3-28. Route all EPSU1/2 connections via the circuit-breaker panel. Be careful not to exceed the maximum connecting cable lengths (1,000 m for 2x2x0.6 mm).
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Base Station Power Supply via Two UP0/E Interfaces
Connect the base station to two free interfaces on the SLC16 as shown in Figure 3-29. Be careful not to exceed the maximum connecting cable lengths (1,000 m for 2x2x0.6mm).
Use two UP0/E interfaces to increase the base station traffic capacity.
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EPSU1 and EPSU2 External Power Supplies
The EPSU1 and 2 AC/DC converters are external power supply units for remote power supply to the base station. EPSU2 also supplies power to the outdoor cover heating unit.
The external power supply unit is a permanent part of Hicom cordless EM and comes with the system.
Configuration Rules for Using EPSU1 and EPSU2
The table below shows the configurations which require the use of one or more EPSU1 or one EPSU2 converters.
EPSU1
An EPSU1 supplies power to an ECBPE circuit-breaker panel for a total of eight connected base stations. It cannot be used for remote power supply to an outdoor cover heating unit.
Each additional circuit-breaker panel for a total of eight connected base stations needs another EPSU1.
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Circuit-breaker panels associated with different EPSU2s must not be interconnected, that is, you must not connect the EPSU2 outputs in parallel. |
In exceptional cases, an EPSU1 can supply power to a total of 12 base stations (without remote power supply to an outdoor cover heating unit), that is, a fully equipped circuit-breaker panel with eight base stations and another under-equipped circuit-breaker panel with four base stations.
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Indicator or Port |
Explanation |
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LED |
Operation:
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AC port |
IEC 320/16 (protective grounding power cable/IEC) |
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DC port |
56 V/56 W |
EPSU2
An EPSU2 powers up to 30 base stations (without remote power supply to the outdoor cover heating unit), that is, four ECBPE circuit-breaker panels, each with eight base stations, and the fourth circuit-breaker panel being equipped with only six base stations.
The following applies to external power to the base station and remote power supply to the outdoor cover heating unit:
To calculate consumption, the outdoor cover heating unit corresponds to two base stations (without remote power supply to the external panel heating unit). One base station with remote power supply to the external cover heating unit is therefore equivalent to three base stations without remote power supply to the external cover heating unit.
Assuming a value > 30 base stations (for example, a large number of base stations with remote power supply to the external cover heating unit), you will need to provide a second EPSU2, which must power a separate group of circuit-breaker panels.
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Circuit-breaker panels associated with different EPSU2s must not be interconnected, that is, do not connect the EPSU2 outputs in parallel. |
The EPSU2 always comes with UPS batteries installed. In the event of a power outage, these batteries maintain power for a 30-minute bridging time.
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EPSU1 and EPSU2 Specifications
Installation Notes
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The EPSU1/2 AC/DC converters are designed for installation indoors. |
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The units are suitable only for mounting on the wall (vertically, with AC port on bottom). |
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Always install the units in a dry, dust-free area where there is no danger of vibrations. |
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Always make sure there is sufficient air circulation around the units. Do not block the ventilation holes. |
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When selecting the location and position for installing the EPSU1/2 unit, keep in mind the necessary lengths of the following cables: - AC cable (protective grounding plug, IEC 320 socket) - DC cable to MDFU/MDFU-E |
Mounting the EPSU1 and EPSU2 on the Wall
Step |
Action |
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1. |
Drill two holes for anchors (5 mm in diameter) in the wall, as shown in Figure 3-32 (EPSU1) and Figure 3-33 (EPSU2) . Depending on the wall materials, you may have to use a different kind of attachment, such as wooden screws for wooden walls. |
2. |
Insert the anchors and insert two screws (3.5 mm in diameter), leaving 5 mm projecting from the wall. |
3. |
Mount the EPSU1/2 onto the screws and tighten them all the way. |
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ECBPE Circuit Breaker Panel
To protect the base station power supply via the EPSU 1/2, the ECBPE (external power supply circuit breaker panel for cordless E) must always be used in the MDFU or MDFU-E. The power supply for the outdoor cover heater must also be routed via the ECBPE.
A push button (see Figure 3-36) indicates the status of each automatic circuit breaker as follows:
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Button pressed = Automatic circuit breaker in the operating (default) position |
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Button not pressed = Automatic circuit breaker was tripped You can also trip the automatic circuit breaker manually when performing maintenance. |
Hicom cordless EM V2.2 is delivered with the following items:
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SLC16 |
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Hicom cordless system number |
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Cablu |
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EPSU1 or EPSU2 |
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One to four ECBPE circuit breaker panels, each with eight automatic circuit breakers |
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One 25-pin jumper strip per EPSU1/2 |
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EPSU1/2 cable |
If the MDFU or MDFU-E does not have enough free slots, you must add another cabinet.
ECBPE Installation in MDFU (not for U.S.)
Figure 3-34 shows an example of an ECBPE with a jumper strip installed in MDFU slots 7 to 9.
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The ECBPE circuit-breaker panel has a great mounting depth. If the MDFU is fully equipped with splitting and jumper strips, the circuit-breaker panel may damage the cables of these lines. If so, insert the circuit-breaker panel into one of the upper slots. |
ECBPE Installation in MDFU-E (not for U.S.)
Figure 3-35 shows an example of two ECBPEs with one jumper strip installed in MDFU-E slots 17 to 21.
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The ECBPE circuit-breaker panel has a great mounting depth. If the MDFU-E is fully equipped with splitting and jumper strips, the circuit-breaker panel may damage the cables of these lines. If so, insert the circuit-breaker panel into one of the upper slots. |
Routing the Power Cables Between the EPSU1/2, ECBPE, and Base Station
Lay the supply cables as shown in in Figure 3-27 and Figure 3-28. Be careful not to exceed the maximum connecting cable lengths.
Connecting the Cables
Step |
Action |
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1. |
For EPSU2 only: Remove the battery fuse. |
2. |
Lay the DC cable from the DC port on the EPSU1 (Figure 3-30) or EPSU2 (Figure 3-31) to the circuit-breaker panel (Figure 3-36), paying attention to the polarity. |
3. |
Lay the cables from the circuit-breaker panel to the jumper strip (Figure 3-27 and Figure 3-28). |
4. |
Lay the power cables from the jumper strip to the base stations (Figure 3-27 and Figure 3-28). Lay the cables to the outdoor cover heating unit (if provided). |
5. |
Connect the AC connecting cable of the EPSU1/2 to the power supply. After a brief EPSU1/2 startup time, power is supplied to the base stations and the outdoor cover (if provided) (56 VDC ± 2 V). |
6. |
For EPSU2 only: Insert the battery fuse. Empty batteries take roughly 10 hours to charge, which means that the UPS is operational only after 10 hours. |
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Attention Always remove the battery fuse from the EPSU2 when working on the EPSU2 DC power circuits. Only the EPSU2 power adapter is short-circuit-proof. You can replace the battery fuse after completing all the work and reconnecting the unit to the power supply (LED lights up). |
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Do not interconnect the circuit-breaker panels of different EPSU1 or EPSU2 units. This means that you cannot parallel-connect the EPSU1 outputs or the EPSU2 outputs. |
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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 |