Installation manual

CHAPTER 2. Hardware of OfficeServ 7400

2-22

2.3.3.3 8SLI2/16MWSLI/16SLI2

The 8SLI2/16MWSLI/16SLI2 module has 8 port/16 ports for analog stations.

It interworks with regular phones via the station to provide voice communication.

16MWSLI module functions as message waiting.

Main Functions

The main functions of the 8SLI2/16MWSLI/16SLI2 module are as follows:

y Generating the ring of 20 Hz

y Detecting Dial Tone Multi Frequency (DTMF)/dial pulse

y Detecting on/off-hook

y Generating a tone

y Power Fail Transfer (PFT)

y Message Waiting (16MWSLI)

y Transmitting Polarity Reverse Signal (PRS)

Specifications

The specifications of the 8SLI2 module provide 8 station ports.

The specifications of the 16MWSLI/16SLI2 module provide 16 station ports.

Front View of the 8SLI2 Board

The front view of the 8SLI2 voice local line board is shown in the figure below.

Figure 2.15 Front View of the 8SLI2 Board

The components on the front panel of the 8SLI2 board have the functions below:

Table 2.16 Ports and LEDs of the 8SLI2 Board

Port, LED Function Description

P1~P8 local line port of regular phone

8SLI2