Sim2 M80 Specifications download pdf (Page 66)

M80 Hardware Design

M80_HD_V1.0 - 66 -

RI

Idle Ring

Data calling

establish. On-hook

by “ATH”. SMS

received

HIGH

LOW

Figure 39: RI behavior of data calling as a receiver

RI

Idle Calling

On-hook

Talking

HIGH

LOW

Idle

Figure 40: RI behavior as a caller

RI

Idle or

talking

URC or

SMS Received

HIGH

LOW

120ms

Figure 41: RI behavior of URC or SMS received

Quectel

Confidential

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 87 88

Quectel Cellular Engine 1
Confidential 10

Comments to this Manuals

No comments