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AT commands: Detailed description
51
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devolo MicroLink ISDN i
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EN
S185 D-channel protocol settings
The D-channel protocol can be set using the register S185. The contents of
register S185 can be stored with the commands AT&W or AT*W. The indi
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vidual bits in register S185 have the following significance:
S194 Displaying the B-channel protocol
The agreed B-channel protocol can be displayed in register S194 after the
establishment of a connection. This register can be read only.
14 14 X.75 → V.120
18 18 V.120 → HDLCP
5..7 0 0 Reserved
Bit Dec. Description
Bit Dec. Description
0..1 0 0 Euro-ISDN (DSS1 protocol)
1 1 German national ISDN (1TR6 protocol)
2 2 Point-to-point protocol in DSS1
Bit Dec. Description
0..3 0 0 No protocol selected
1 1 X.75
2 2 T.70NL (X.75/T70)
3 3 V.120
4 4 HDLC
5 5 Transparent
6 6 HDLC-PPP
7 7 X.75, T.70NL and Cept/Kit
8 8 V.110
4..7 0 0 Reserved