User Manual

73M2901CE AT Command User Guide UG_2901CE_027
16 Rev. 2.0
2.21 V[n] – Select Result Codes Numbers/Words
n = 0, 1, 2 (fact ory defa ult = 1)
The V[n] command instructs the modem to report either verbal (whole words) or numerical result codes.
Also refer to the Q[n] and X[n] commands.
V0 Result codes reported as digits (numerals).
V1 Result codes reported a s whole word s.
V2 Result codes reported as digits (numerals) preceded and followed by <CR><LF>.
2.22 W[n] – Select Extended Result Code
n = 0, 1, 2 (factory default = 0)
The W[n] command determines which result codes will be use d to describe the type of connection that
was negotiated by the handshake.
W0 Do not return extended result codes (40-80). The message CONNECTS followed by the data rate
between the DTE and the modem will be sent to the DTE.
W1 The CONNECT message will report the DTE speed then enable the carrier and extended result
codes.
W2 The CONNECT message will report the DCE speed. All extended result codes are disabled.
Extended Result Codes:
Result Code 40 = CARRIER 300
Result Code 41 = CARRIER 600
Result Code 46 = CARRIER 1200
Result Code 47 = CARRIER 2400
Result Code 44 = CARRIER 1200/75
Result Code 45 = CARRIER 75/1200
Result Code 70 = PROTOCOL: NONE
Result Code 77 = PROTOCOL: LAP-M
Result Code 80 = PROTOCOL: ALT
Pre Dial Post Dial
W0 W1 W2 W0 W1 W2
X0
0, 2 – 4,
14
0, 2 – 4, 14 0, 2 – 4, 14
0 – 1, 3 – 4,
14
0–1, 3–4, 14 0–1, 3–4, 14
X1
0, 2 – 4,
14
0, 2 – 4, 14 plus
extended result
codes
0, 2 – 4, 14
0 – 1, 3 – 5, 9
– 14, 22, 23
0–1, 3–5, 9–14,
22, 23 plus
extended result
codes
0–1, 3–5, 9-
14, 22, 23
X2
0, 2, 4,
6, 14
0, 2, 4, 6, 14
plus extended
result codes
0, 2, 4, 6, 14
0 – 1, 3 – 5, 9
- 14, 22, 23
0–1, 3–5, 9–14,
22, 23 plus
extended result
codes
0–1, 3–5, 9-
14, 22, 23