1 Introduction to Hardware Ports and Alarm Cables 1.1 Monitoring Ports on the BBU The UPEU on the BBU has two Boolean input ports, as shown in the following figure:
Boolean input ports on the UPEU in the upper part of the BBU: −
EXT-ALM0: port for Boolean inputs 0 to 3
−
EXT-ALM1: port for Boolean inputs 4 to 7
The BBU supports a maximum of 16 Boolean inputs. Each UPEU supports eight Boolean inputs. The BBU is configured with one UPEU in the lower part by default.
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External Alarm Configuration Procedure
1.2 Color Definitions for the Boolean Alarm Cables on the BBU RJ45 Pin/Color
Recommends Cable Leading Sequence for the BBU
Twisted Pair
1 Orange white
Boolean input 1+
1 and 2 twisted
2 Orange
Boolean input 1– (GND)
1 and 2 twisted
3 Green white
Boolean input 2+
3 and 6 twisted
4 Blue
Boolean input 3- (GND)
4 and 5 twisted
5 Blue white
Boolean input 3+
4 and 5 twisted
6 Green
Boolean input 2- (GND)
3 and 6 twisted
7 Brown white
Boolean input 4+
7 and 8 twisted
8 Brown
Boolean input 4- (GND)
7 and 8 twisted
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External Alarm Configuration Procedure
1.3 Hardware Connection of External Alarms For the detailed information about port numbers and slots, see the following table: Monitoring
Monitoring
Frame Position - Slot
Port
Device
Device Port
Position
Number
Name and BOM of
Core
the Monitoring
Number of
Cable
the Cable
BTS Type
4 UPEU (The
BTS3900
The UPEU is in slot 19 of
of a UPEU are
frame 0. The GTMU is in
reported on the
slot 6 of frame 0.
Orange white/orange
5
BBU Boolean
X1.3/X1.6
Green white/green
6
alarm cable
X1.5/X1.4
Blue white/blue
7
X1.7/X1.8
Brown white/white
0
X1.1/X1.2
Orange white/orange
1
BBU Boolean
X1.3/X1.6
Green white/green
2
alarm cable
X1.5/X1.4
Blue white/blue
X1.7/X1.8
Brown white/white
EXT-ALM0 3
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X1.1/X1.2
EXT-ALM1
Boolean alarms
GTMU)
Cable color
Huawei Confidential
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External Alarm Configuration Procedure
2 Setting the Boolean Alarm of the BBU 2.1 Setting the Boolean Alarm of the BBU on the BSC6900 Step 1: As shown in figure 1, set the alarm name, alarm level, and the gateway categories on the MML. The command used on the MML is SET ENVALMPARA. The alarm ID here is the alarm ID of the port to be set.
Figure 1
Step 2: In the MML input serial port, type the SET BTSENVALMPORT command to set the high and low voltage levels of the dry contacts on the UPEU.
Figure 2
Note: For the current BTS in the BSC6900, the numbers of the ports on the PEU in both upper and lower parts of the PEU are in range of 0 to 7.
Step 3: Use the MML command (LST BTSENVALMPORT) to check whether the numbers of the ports where dry contacts are set and the alarm levels are correctly set.
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External Alarm Configuration Procedure
2.2 Alarm ID of the Boolean Alarm The alarm ID of Boolean alarm which can be defined by the user starts from 65033 to 65533.
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