BOARD SET-UP

 

LBI-39101

 

Table 3 – Digital Pots

(Continued)

 

 

 

 

 

AUDIO

ENHANCED AUDIO ENCLOSURE AUDIO CIRCUIT LOCATED IN /

TYPICAL

SYSTEM BD.

SETTING

ADJUSTS *

 

POT NO.

 

 

**

 

 

 

 

 

 

 

 

 

12

Line 2 Input

 

75

 

Adjusts level of line 2 input audio from CIM line 2 output. Affects audio level to

 

 

unselect audio output devices such as unselect speaker 1 and unselect recorder.

 

 

 

 

 

17

Line 3 Input

 

75

 

Adjusts level of line 3 input audio from CIM line 3 output. Affects audio level to

 

 

unselect audio output devices such as unselect speaker 2 and unselect recorder.

 

 

 

 

 

18

Line 4 Input

 

75

 

Adjusts level of line 4 input audio from CIM line 4 output (from radio). Affects audio

 

 

levels applied to unselect audio output devices such as unselect recorder and, if a third

 

 

unselect speaker is employed, unselect speaker 3. If a Call Director is employed,

 

 

adjustment affects audio to Call Director telephone line and unselect recorder. Primary

 

 

line 4 adjustment. Also see pots 2 and 20.

 

 

 

 

 

 

20

Auxiliary Input

 

114

 

Adjusts level of line 4 input audio from CIM line 4 output (from radio). Affects audio

 

 

levels applied to select recorder, and all speakers during Call Director patch operations.

 

 

Secondary line 4 adjustment used only if console is equipped with a Call Director. Also

 

 

see pot 18.

 

 

 

 

 

 

27

N/A (pot not used)

 

0

 

 

 

 

15

Line 1 Output

 

23

 

Adjusts level of line 1 output audio to CIM line 1 input.

 

 

 

 

 

16

Line 2 Output (adjustments never required)

 

23

 

 

 

 

13

Line 3 Output (adjustment never required)

 

23

 

 

 

 

14

Line 4 Output

 

23

 

Adjusts level of line 4 output audio to CIM line 4 input. Affects audio level to patched

 

 

radio during Call Director patch operations. Also see pot 1.

 

 

 

 

 

21

Select Recorder Output

 

175

 

Adjusts level of audio applied to the select recorder.

 

 

 

 

 

 

19

Select Audio Output

 

190

 

Adjusts level of audio at an internal Enhanced Audio Enclosure reference point on

 

 

Audio System Board. Affects select speaker, select recorder, operator headset earphone

 

 

and supervisors headset earphone audio levels.

 

 

 

 

 

 

29

Select Speaker Output

 

128

 

Adjusts level of audio applied to the select speaker. This pot is not used as a volume

 

 

control.

 

 

 

 

 

 

30

Unselect Speaker 1 Output

 

128

 

Adjusts level of audio applied to the first unselect speaker (unselect speaker 1). This pot

 

 

is not used as a volume control.

 

 

 

 

 

 

 

 

 

 

9

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Ericsson LBI-39101A manual Board SET-UP

LBI-39101A specifications

The Ericsson LBI-39101A is a robust and versatile base station designed to facilitate efficient communication networks. Known for its reliable performance, the LBI-39101A plays a crucial role in enhancing the connectivity landscape for mobile operators. This equipment supports a range of technologies, making it an ideal choice for operators aiming to deliver high-quality services in both urban and rural environments.

One of the key features of the LBI-39101A is its support for multiple frequency bands, allowing it to operate across various spectrum allocations. This flexibility enables mobile operators to effectively manage their frequency resources and optimize network performance. Additionally, the base station is designed to support both 2G and 3G technologies, making it a valuable asset for operators transitioning to newer standards while still catering to older devices in their network.

The LBI-39101A also incorporates advanced receiver and transmitter technology, which enhances its ability to handle high traffic loads and support a larger number of simultaneous users. This capability is crucial in densely populated areas where network demand is high. The base station's design also emphasizes energy efficiency, reducing both operational costs and environmental impact, which is becoming increasingly important in today's eco-conscious world.

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Moreover, the LBI-39101A includes built-in support for advanced features such as MIMO (Multiple Input Multiple Output) technology, which improves data throughput and reliability. This is particularly significant as mobile data consumption continues to rise, placing immense pressure on existing networks. The MIMO capability allows for enhanced spectral efficiency, which is crucial for maximizing the available bandwidth.

In summary, the Ericsson LBI-39101A stands out as a powerful base station with a host of features designed for modern mobile communication. Its support for multiple technologies, energy efficiency, modular design, and advanced MIMO capabilities make it an excellent choice for operators looking to enhance their networks and provide superior connectivity for users. As the mobile landscape evolves, the LBI-39101A is poised to remain a key player in facilitating seamless communication.