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3.3.6 SLC16 (Not for U.S.)

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.
 
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

Figure 3-26 SLC16 (S30810-Q2922-X) (Not for U.S.)

 
When you activate the lockout switch (switch down), all idle mobile telephones are locked. Active mobile telephones are not locked until their release keys are pressed. 
Before unplugging the SLC16 board, always activate the lockout switch and wait until green LED H1 stops flashing. This precaution ensures that none of the mobile telephones are active. 

LED Statuses and Their Meanings

Table 3-31 SLC16-LED Statuses (Not for U.S.)

Red LED 
Green LED 
Status 
Action 
Off 
Off 
Board not receiving power or not plugged in correctly.
Board is deactivated. 
Check plug contact on board. 
On 
Off 
Board is receiving power and board test in progress. 
If status remains the same (board test unsuccessful), board is defective. 
 
 
Replace board. 
Loadware loading was not successfully completed. Board is defective. 
Replace board. 
Error was detected on board. Board is deactivated (not applicable to errors detected by test loops) or
board was deactivated using Hicom Assistant E Office. 
Check whether board was deactivated by Hicom Assistant E Office. If not, replace board. 
Flashing 
Off 
Loadware is being loaded.  
 
Off 
On 
Loading was successfully completed and board is OK. 
 
Off 
Flashing 
At least one subscriber line is activated.  
 

Cable and SU Connector Assignment (Backplane)

Table 3-32 SLC16-Cable Assignment (Not for U.S.)

Color
Group 
Pair 
a-Wire 
b-Wire 
SU Conn. 
SLC16 
Notes 
BP: X8 
wht/blu 
 
19 
1a 
Port 1 
Base station 1 
 
blu/wht 
39 
1b 
wht/ora 
 
38 
2a 
Port 2 
Base station 2 
 
ora/wht 
48 
2b 
wht/grn 
 
27 
3a 
Port 3 
Base station 3 
 
grn/wht 
47 
3b 
wht/brn 
 
16 
4a 
Port 4 
Base station 4 
 
brn/wht 
46 
4b 
wht/gry 
 
05 
5a 
Port 5 
Base station 5 
 
gry/wht 
45 
5b 
red/blu 
 
14 
6a 
Port 6 
Base station 6 
 
blu/red 
44 
6b 
red/ora 
 
23 
7a 
Port 7 
Base station 7 
 
ora/red 
43 
7b 
red/grn 
 
32 
8a 
Port 8 
Base station 8 
 
grn/red 
42 
8b 
red/brn 
 
11 
9a 
Port 9 
Base station 9 
 
brn/red 
31 
9b 
10 
red/gry 
 
02 
10a 
Port 10 
Base station 10 
 
gry/red 
22 
10b 
11 
blk/blu 
 
13 
11a 
Port 11 
Base station 11 
 
blu/blk 
33 
11b 
12 
blk/ora 
 
04 
12a 
Port 12 
Base station 12 
 
ora/blk 
24 
12b 
13 
blk/grn 
 
15 
13a 
Port 13 
Base station 13 
 
grn/blk 
35 
13b 
14 
blk/brn 
 
06 
14a 
Port 14 
Base station 14 
 
brn/blk 
26 
14b 
15 
blk/gry 
 
17 
15a 
Port 15 
Base station 15 
 
gry/blk 
37 
15b 
16 
yel/blu 
 
08 
16a 
Port 16 
Base station 16 
 
blu/yel 
28 
16b 
Color
Group 
Pair 
a-Wire 
b-Wire 
SU Conn. 
SLC16 
Notes 
BP: X8 

Options for Supplying Power to Base Stations

 
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:

Base station power supply via one UP0/E interface and EPSU1 (page 3-85)
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)

 
Always route the UP0/E interfaces on the SLC16 via a splitting strip to ensure that surges due to lightning will be arrested. To do so, insert the polarized surge protectors (supplied) in the plugging locations on the splitting strip. 

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).

Figure 3-27 Base Station Power Supply Via One UP0/E Interface and EPSU1

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).

Figure 3-28 Power Supply to the Base Station and Outdoor Cover (Heating Unit) Via EPSU1/2

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.

Figure 3-29 Base Station Power Supply via Two UP0/E Interfaces (Not for U.S.)

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.

Table 3-33 EPSU Configuration Rules

System Configuration 
EPSU1 
Second
EPSU1 
EPSU2 
1 to 4 base stations and cable length* < 500 m  
1 to 4 base stations and cable length* > 500 m 
5 to 8 base stations 
9 to 16 base stations 
Base station with remote power supply to outdoor cover heating unit 
USP operation 
The cable length is based on a J-Y(ST)Y, 2 x 2 x 0,6 mm (0.6 to 1.2 mm) and on a standard wire diameter between the SLC16 and base station. 

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.
 
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.

Figure 3-30 EPSU1 Indicators and Ports

Table 3-34 EPSU1 Indicators and Ports

Indicator or Port 
Explanation 
LED 
Operation: 
LED on: EPSU1 system operating within the valid AC range
LED off: Malfunctions
AC port 
IEC 320/16 (protective grounding power cable/IEC)  
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.
 
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.

Figure 3-31 EPSU2 - Indicators and Ports

Table 3-35 EPSU2 - Indicators and Ports

LED 1
(DC Output) 
LED 2
(AC Input) 
Explanation 
On 
On 
DC output and AC input voltages are OK. 
Off 
On 
No DC voltage at output 
(rectifier short-circuited). 
On 
Off 
No AC voltage at input 
(power outage, circuit-breaker panel receiving battery power).  
Off 
Off 
No AC input voltage (power outage) and batteries are empty, or
the battery fuse is defective or was removed (by turning to the left).  
Ports 
Explanation 
Battery fuse 
Melting fuse: 5 x 20 mm, 6.3 A/slow-blowing 
AC port 
IEC 320/16 (protective grounding power cable/IEC) 
DC port 
56 V / 140 W (2-wire connecting cable set, tin-plated ends) 

EPSU1 and EPSU2 Specifications

Table 3-36 EPSU1 / EPSU2 - Specifications

 
EPSU1 
EPSU2 
Siemens item numbers 
S30122-X7221-X 
S30122-X7221-X1(with UPS/battery packs) 
Siemens item numbers, power cable 
C39195-Z7001-C17 Euro angled 
C39195-Z7001-C20 GBR angled 
EPSU2 batteries 
 
V39113-W5123-E891 
Scope of delivery 
EPSU1/EPSU2 AC/DC converter (EPSU2 with UPS batteries loaded)
Operating instructions
AC connecting cable (protective grounding plug, IEC- 320 socket)
DC cable to MDFU/MDFU-E (1 m/0.75mm², flexible, tin-plated at both ends)
Note: If this cable is not long enough, you can also use a rigid 1.5 mm2 cable up to a maximum length of 3 m.
AC power 
110 V / 115 V or 230 V 
Frequency range 
47 to 63 Hz 
Connected output 
80 W 
200 W 
Output power consumption/nominal output 
56 W 
140 W 
Mains/nominal voltage 
56 V 
Battery operation/EPSU2 only: 
Permitted batteries
Manufacturer/type number


Number of battery packs
Size (Ah)
Nominal voltage
Overload protection
 
 
CSB/EVX-1270,
Hitachi/HP6.5-12,
Yuasa/NP6-12,
Varta/Noack 43720303,
Sonnenschein/0719143200
4 units, 12 V each
1.25 Ah
48 V (fully charged 54 V, discharge to 44 V)
Melting fuse 5 x 20 mm, 6.3 A/slow-blowing
Nominal current 
1.0 A 
2.5 A 
Overload protection 
Electronic current limiting circuit 
Ambient temperature 
In buildings, + 5 to +45 °C 
Humidity 
95 % / non-condensing 
Cooling 
Natural convection 
Protection 
IP 21 (DIN 40050) 
AC port (input) 
IEC 320/16 (protective grounding power cable/IEC) 
DC port (output) 
Screw terminals for insulated lines: 
Rigid = 0.5 - 2.5 mm2
Flexile = 0.5 - 2.5 mm2
Housing dimensions (W x D x H in mm) 
65 x 40 x 138 
250 x 114 x 317 
Weight 
approx. 0.5 kg 
approx.14.1 kg 
Symbol 
CE 
Personal safety, insulation 
EN60950 and IEC950 
EN60950 and IEC950 
Grounding, shielding 
Protection class 1, output is floating against ground. 

Installation Notes

The EPSU1/2 AC/DC converters are designed for installation indoors.
The units are suitable only for mounting on the wall (vertically, with AC port on bottom).
Always install the units in a dry, dust-free area where there is no danger of vibrations.
Always make sure there is sufficient air circulation around the units. Do not block the ventilation holes.
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 
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. 

Figure 3-32 EPSU1 - Holes for Mounting on the Wall

Figure 3-33 EPSU2 - Holes for Mounting on the Wall

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:

Button pressed = Automatic circuit breaker in the operating (default) position
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:

SLC16
Hicom cordless system number
Cablu
EPSU1 or EPSU2
One to four ECBPE circuit breaker panels, each with eight automatic circuit breakers
One 25-pin jumper strip per EPSU1/2
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.

Figure 3-34 Example of ECBPE Installation in MDFU (Not for U.S.)

 
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.

Figure 3-35 Example of ECBPE Installation in MDFU-E (Not for U.S.)

 
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 
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. 

 
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).  

Figure 3-36 ECBPE Circuit Breaker Panel and Cabling (Not for U.S.)

 
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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