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Device manual CR3105/CR3106
25
8.3.1 PDO1 – modem status (CR3105 and CR3106)
Transfer type: asynchronous, manufacturer-specific
COB-ID: 180 + node ID
DLC: 7
Data byte
Contents
Value (dec) Description
1
current GSM network
status
0
1
2
3
4
5
not connected
connected to the home network
not connected / network search
connection not accepted by the provider
unknown
connected to a foreign network (roaming charges!)
2
GSM signal quality
0
1
2���30
31
99
≤ -113 dBm
-111 dBm
-109���-53 dBm
≥ -51 dBm
unknown
3
modem status
0
1
2
3
4
5
10
11
255
ok
modem connected to receiver
calling modem
no connection
unknown command
no dial tone / dial-up not possible
GPRS internet connection active
connected via TCP socket
modem timeout
4
file reception
0
1
no new file available
new file for download available
5
send command for file
transfer
0
1
129
ready for transfer
file remains open on the server
file closed after the transfer
This value must be acknowledged on the server
side to send again�
6
SMS command
1
2
3
sends SMS as text
sends SMS as fax
sends SMS as e-mail
This value is automatically set to zero after the
transmission
7
SMS reception
0
1
no new SMS available
new SMS received