Siemens BS241 II 1/18 Date 29-01-2006 Siemens BS241 II Installation Guide 1. Installation 1.1 Cabinet Mounting At Siemens BS241 II there are three types of cabinets: • Base cabinet which is the main cabinet for Transmission. • Extension cabinet which is dedicated also for transmission and is installed on the right of base cabinet. • Service cabinet which is for batteries, rectifiers, links and is installed on the left of base cabinet. Types of the cabinets and at which order they must be installed is shown at Picture 1. The cabinets have dimensions 1750 mm x 700 mm x 650 mm Picture 1: Type of cabinets and their relative position.
SIEMENS - BS241 Installation Guide
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Siemens BS241 II 1/18
Date 29-01-2006
Siemens BS241 II Installation Guide
1. Installation
1.1 Cabinet Mounting At Siemens BS241 II there are three types of cabinets:
• Base cabinet which is the main cabinet for Transmission. • Extension cabinet which is dedicated also for transmission and is installed on the right of
base cabinet. • Service cabinet which is for batteries, rectifiers, links and is installed on the left of base
cabinet. Types of the cabinets and at which order they must be installed is shown at Picture 1. The cabinets have dimensions 1750 mm x 700 mm x 650 mm
Picture 1: Type of cabinets and their relative position.
Siemens BS241 II 2/18
Date 29-01-2006
Picture 2: General view of outdoor installation
1.2 Mounting Cabinets The cabinets are mounted on a special base.
Picture 3: Base of BS241. There are 3 points that we should take care when we mount BS241 cabinets
• The screws that connect cabinets and the base to be properly tightened. (Picture 4) • A special flange must be installed at the hole between the two cabinets. (Picture 5) • 2 bars keep the two cabinets firmly tight with each other. (Picture 6)
Base Rack
Service Rack
Siemens BS241 II 3/18
Date 29-01-2006
Picture 4: The screws that mount cabinets on the base
Picture 5: This bar keeps the two cabinets firmly attached
Siemens BS241 II 4/18
Date 29-01-2006
Picture 6: The flange between cabinets. A special plastic prevents water from entering cabinets.
1.3 AC Cables BS241 II takes AC voltage 3P-N-G as shown below
• Voltage 380VAC P-P/220VAC P-N • Fuse: 3x32A • Cable: 5x4mm2
Picture 7: AC connection at Service Rack.
Siemens BS241 II 5/18
Date 29-01-2006
1.4 Groundings Cabinets must be grounded with a wire 16mm2 from the special point at the lower part of each cabinet. Grounding points of the cabinets must also be connected with each other with the special bar.
Picture 8: Grounding point for the cabinets. Connection with main grounding system. If main grounding bar exists, then we terminate the cable to the bar.
Picture 9: Grounding connection between cabinets.
Siemens BS241 II 6/18
Date 29-01-2006
1.5 Batteries We install 4 batteries, 12 VDC 92Ah each, so as a total output voltage is 48VDC. We can have more service racks for more batteries but to our installation we use only one. Batteries must be installed on the proper self and connected between each other with the bars. Exhausting pipes must also be installed. See the photo below. Connecting cables are 25mm2 and the breaker of -48VDC is 160A.
Picture 10: Connection of the batteries. Be careful of where to connect DC cables. Blue cable of -48VDC goes to battery breaker and the black of 0VDC to the bar on the left.
-48VDC cable goes to breaker. 0VDC cable goes to bar.
Exhausting pipes must be installed.
Siemens BS241 II 7/18
Date 29-01-2006
1.6 DC cables The DC cables are connected as the pictures below. They start from the dedicated point from DC panel, go through the hole between the cabinets and terminate at the upper part of Base rack.
Picture 11:Connection of DC cables at Service rack
At this point Base rack takes DC power. The rest two points are for extension racks.
Voltage from the batteries.
Siemens BS241 II 8/18
Date 29-01-2006
Picture 12: DC cables pass from flange and go to upper part of base rack.
Picture 13:Connection of DC cables at Base rack
1.7 2Mbps Cable 2Mbps cable is the normal 120 Ohm that we use for indoor sites. It starts from service rack, from dedicated krone, passes through flange between the 2 racks, goes through cable feeding module and arrives at ABIS termination point. Look the following pictures
Picture 14: 2Mbps cables passes through Picture 15: 2Mbps cables passes at the lower part of base
From Krone
Through cable feeding module
Towards Base rack
From Service rack.
Siemens BS241 II 9/18
Date 29-01-2006
flange rack
Picture 16, 17: Abis termination point The connections on ABIS module are exactly the same with the indoor version
Picture 18: Configuration of the pins of terminal ABIS connector. To the pins 5, 6, 11, 12, 17, 18, 23, 24 that are the groundings we connect nothing. We ground Abis cable only to RL cabinet.
This side of ABIS module is at the bottom of the rack.
Siemens BS241 II 10/18
Date 29-01-2006
Below is shown the connections of the cables at the krone. Pins 1 3 5 (G) 7 9 11(G) 13 15 17(G) 19 21 23(G) Wire
Colors Blue Purple Brown Purple Orange Purple Green Purple
Krone Position
8 (RX D) 6 (RX C) 4 (RX B) 2 (RX A)
Pins 2 4 6 (G) 8 10 12(G) 14 16 18(G) 20 22 24(G) Wire
Colors White Azure White Azure White Azure White Azure
Krone position
7 (TX D) 5 (TX C) 3 (TX B) 1 (TX A)
4st quadruplet 3nd quadruplet 2rd quadruplet 1th quadruplet
Table 1: Connections of 2Mbps cable at abis termination point.
Krone pin
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b
BTS pin 20 22 19 21 14 16 13 15 8 10 7 9 2 4 1 3 Wire Color
White Azure Green Purple White Azure Orange Purple White Azure Brown Purple White Azure Blue Purple
Mode TX+ TX- RX+ RX- TX+ TX- RX+ RX- TX+ TX- RX+ RX- TX+ TX- RX+ RX- PCM ID PCM 1 PCM 2 PCM 3 PCM 4
Siemens BS241 II 11/18
Date 29-01-2006
1.8 Alarm cables Base rack can accept the same alarm module (ACTM) that is for indoor cabinets. As we do in BS240 we don’t use any special module but only the 7 positions that already exist. The difference here is that alarm termination point of Base rack remains empty. Only at service rack some alarms are already connected. These alarms are transferred to base rack through CAN Bus cable.
Picture 19: At Base rack we connect no alarm cable. Just Door open at the dedicated place.
Picture 20: At Service Rack four alarms are already connected. During commissioning we must declare these alarms.
Siemens BS241 II 12/18
Date 29-01-2006
Alarm Definition at Siemens BS241 II BTS pins ENVBTSE Number Alarm Description
14-13 2 BS241 Main Fail 12-11 3 BS241 Battery Fail 4-3 7 BS241 Rectifier Fail 2-1 8 BS241 Low Voltage
Table 2: Alarms at service rack and how they must be declared
1.9 CAN Bus cable The can bus cable connects base rack with service and extension racks. It transfers the alarms from the other cabinets to the base cabinet. Base cabinet has no CAN IN but only CAN OUT. From CAN OUT of Base rack it goes to CAN IN of service cabinet 1. If only these two cabinets exist (Base rack and service rack) then at CAN OUT of Service rack one special terminating connector must be put. Else the terminating connector is installed at the last cabinet.
Picture 21, 22: Example on how to connect CAN BUS cable between Base and Service Rack.
At service rack we insert CAN BUS cable at CAN IN port. At CAN OUT we put the terminating connector
At Base Rack we connect CAN BUS cable at CAN OUT port.
Siemens BS241 II 13/18
Date 29-01-2006
Picture 23: Connection of CAN BUS cables when we have many cabinets.
1.10 Heaters Service Cabinet has an AC distribution point. From that point all heaters of the racks take power and they are working when temperature is too low.
Picture 24: The point at Service Rack where all heaters take power
Siemens BS241 II 14/18
Date 29-01-2006
Picture 25: The point where the heater at Base rack takes power.
Picture 26: The connections of the heaters between cabinets. The heaters of each cabinet are connected to the point with the red dots.
Socket for heater at base rack
This cable takes AC power from service rack.
Siemens BS241 II 15/18
Date 29-01-2006
1.11 Antenna Line At BS241 FDUAMCO are at the lower part of the rack, unlike indoor version where are on top. We connect the jumpers at FDUAMCO and pass them below the cabinets as shown below.
Picture 27: Jumpers are connected to FDUAMCO where are at the lower part of BTS.
Picture 28: Jumpers as enter in cabinet.
Siemens BS241 II 16/18
Date 29-01-2006
2. Installing Link Units We can install link units inside service rack. The principles of installation are the same with RL cabinet installation.
Picture 29: Installation of Alcatel 9400 inside Service rack.
2.1 Installing DC power IU takes power from the breakers BR01-BR08. The breakers are 10A and the cable 2x1.5mm2.
Picture 30: Taking DC voltage form breakers.
Breakers for DC.
Sockets to take DC power.
Krone for BTS Krone for IUs
Siemens BS241 II 17/18
Date 29-01-2006
2.2 Installing Grounding Grounding cable is 16mm2. From the grounding point of IU lead the cable to one of the many grounding points of the cabinet.
2.3 Installing RG cable RG cable from IU goes to the lower part of Service cabinet
Picture 31: Route of RG cables from Links towards outside of cabinet.
2.4 Installing 2Mbps 2Mbps cable is installed exactly the same as at shelter installations. Installer must take in consideration these topics.
• There isn’t much space for krone. Usually only 6 positions for krone are available. • One position, upper right (see picture 21) is for BTS. The other for IUs. • Due to the limited space only the 4 first PCM lines of each IU are installed, unless it is
asked otherwise. • Labeling remains the same.
Siemens BS241 II 18/18
Date 29-01-2006
Siemens BS241 II Installation Guide .......................................................................................... 1
1. Installation ...................................................................................................................... 1 1.1 Cabinet Mounting.................................................................................................... 1 1.2 Mounting Cabinets .................................................................................................. 2 1.3 AC Cables ............................................................................................................... 4 1.4 Groundings.............................................................................................................. 5 1.5 Batteries .................................................................................................................. 6 1.6 DC cables................................................................................................................ 7 1.7 2Mbps Cable ........................................................................................................... 8 1.8 Alarm cables ......................................................................................................... 11 1.9 CAN Bus cable...................................................................................................... 12 1.10 Heaters .................................................................................................................. 13 1.11 Antenna Line......................................................................................................... 15
2. Installing Link Units ..................................................................................................... 16 2.1 Installing DC power .............................................................................................. 16 2.2 Installing Grounding.............................................................................................. 17 2.3 Installing RG cable................................................................................................ 17 2.4 Installing 2Mbps.................................................................................................... 17
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