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M80 Hardware Design

M80_HD_V1.0 - 67 -

3.18. Network status indication

The NETLIGHT signal can be used to drive a network status indication LED. The working state

of this pin is listed in Table 22.

Table 22: Working state of the NETLIGHT

State

Module function

Off

The module is not running.

64ms On/ 800ms Off

The module is not synchronized with network.

64ms On/ 2000ms Off

The module is synchronized with network.

64ms On/ 600ms Off

GPRS data transfer is ongoing.

A reference circuit is shown in Figure 42.

Module

300R

4.7K

47K

VBAT

NETLIGHT

Figure 42: Reference circuit of the NETLIGHT

3.19. Operating status indication

The STATUS pin is set as an output pin and can be used to judge whether module is power-on. In

customer’s design, this pin can be connected to a GPIO of DTE or be used to drive an LED in

order to judge module operation status. A reference circuit is shown in Figure 43.

Table 23: Pin definition of the STATUS

Name

Function

STATUS

Indication of module operating status

Quectel

Confidential

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Sim2 M80 Specifiche Pagina 67