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2.3.3 Voice Station Board
This section describes the board which provides the station voice service.
2.3.3.1 4SL2
The 4 Port SLI Module 2 (4SL2) board is the module used to process regular phone
connections.
Key Functions
The key functions of the 4SL2 voice station board are as follows:
20 Hz ring generation
Dial Tone Multi Frequency (DTMF)/Dial pulse detection
On/Off-hook detection
Tone generation
Specification
The specification of the 4SL2 voice station board is as follows:
4SL2 board: Four (4) station ports
Board View
P1
Port
P1
J1
2-18
Figure 2.10 4SL2 Board
Table 2.11 4SL2 Board Configuration
100-pin Connector
Connector for connecting a signal line to the base board
Connector for connecting lines to the four (4) ports
Description
© SAMSUNG Electronics Co., Ltd.
J1
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