Samsung OfficeServ 7070 System Description page 36

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2.3.3.3 E8S
The Extended 8 Port SLI (E8S) board supports eight (8) analog station ports and is used to
extend lines. In addition, it has a line connection part for the OfficeServ 7070 system.
It also supports a space where three option boards can be mounted.
Key functions
The key functions of the E8S voice board are as follows:

20 Hz ring generation

DTMF/Dial pulse detection

On/Off-hook detection

Tone generation

Line connection part
Specification
The specification of the E8S voice board is as follows:

Eight (8) analog station ports

Provides the system line connection part (equipped with five (5) RJ45 connectors)
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