Checking The Transmission Between Cascaded Btss; Figure 4-5 Check Whether The Link Between The Bbu And The Bsc Is Normal; Figure 4-6 Check Whether The Link Between The Bbu And The Rfu Is Normal - Huawei BTS3900 GSM Commissioning Manual

4 Commissioning the BTS (Transmission Available)
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4.2.2 Checking the Transmission Between Cascaded BTSs

This describes how to check the transmission between cascaded BTSs when there are cascaded
BTSs on site. The following description takes the level 3 cascaded BTSs as an example, and
describes how to check the transmission between cascaded BTSs.
Prerequisite
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4-6

Figure 4-5 Check whether the link between the BBU and the BSC is normal

Check whether the RSL link between the BBU and the RFU is normal. If the state of the
RSL link is normal, the BBU is properly connected to the RFU, as shown in

Figure 4-6 Check whether the link between the BBU and the RFU is normal

The physical connection between cascaded BTSs on the BTS side is complete.
The BTS is in TDM or HDLC transmission mode.
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BTS3900(A) GSM
Commissioning Guide
Figure 4-6.
Issue 02 (2009-04-20)