Power Connection

The Hirschmann plug used for the power connection is called Hirschmann Leitungsdose CA 4 LD 09 ZS and has the product number 932 362-100. The BS-11 includes one such plug, so unless you loose it, damage it or want multiple power cables, there is no need in obtaining this plug separately.

The pin-out is as follows:

• GND: your shealding/earth line (PE), German:yellow/green wire
• 1: phase (L), German: Brown wire
• 2: not connected
• 3: neutral (N), German: Blue wire

Please refer to the photograph of a fully wired plug:

E1 Hardware interface

We are using a 120 Ohms balanced connection between the BS11 and a HFC-E1 card. To configure the BS11 hardware correctly, you need to

• open the connection between pin 2 and 3 of the 4 jumpers below connector J01

Cable to RJ45

The E1 interface[s] of the BS-11 are on some strange BNC-related twinax plugs called "BR2" (Radiall product # 605006000), you can find the PDF data sheet of the connectors at  Radiall. There are four such plugs included in the BS-11 package. If you need more, you can buy them online from  this link (which for Germany results in a hyperlink to  this page of the Farnell webshop where they cost EUR 16.51 each).

• left Y01 PCM in (from BSC): RJ45 pin 4,5
• Y02 PCM out (to BSC): RJ45 pin 1,2
• Y03 PCM left open
• Y04 PCM left open

Step-by-step guide

the polarity of the two wires (4,5) or (1,2) inside one twinax plug does not matter, as the signals are symmetric anyway.

Configuration of BTSM Object

bs11_config

If you're using bs11_config, then the configuration is compiled-in (thus automatically correct) and you can only change it by changing the source code.

LMT

If you're using LMT, you have to use the following settings for the BTSM object:

• Start LMT Release 04.21(!) and make sure the cable is connected.
• Set the serial port to the port you connected your serial console cable to
• Logon as Administrator (Password is "admin")
• The factory configuration will not have any software installed (Phase will show Software required)
• Select Software->Download SM Safety Load to load BTSBMC76.SWI from the HS010876 directory
• After the download completes the BTS will restart and enter Phase Wait Min Config
• Create an Object "LI", "GPSU", "ALCO", "CCLK", "BBSIG 0", with the default config
• Create an Object "PA 0" with the following config: "GSM 0,03W(M3)" This point is important to reduce the antenna power output!
• You will need a special password to activate "BBSIG 1" and "PA 1" Configuration is analog to Channel 0
• Create Object "EnvaBTSE 0" up to "EnvaBTSE 3" with the default options
• As soon as all configuration options are set up the BTS will enter the Maintenance phase and you will be able to load the main firmware
• Select "Download SM" in and select the file HS011106.SWL from the HS011106 directory
• Grab a coffee and occupy yourself for about 45mins
• In BTSM Object set Timeslot no. to 1, Subslot no. to 64kbit/s signalling and TEI to 25