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COMSPHERE 3825Plus Modem
4-10 November 1996 3825-A2-GB30-20
Table 4-1
(8 of 14)
3825
Plus
AT Commands
&I
n
Dial Transmit Level for Cellular Auto
When Dial Transmit Level Type is set to Permissive, &I
n
sets Dial Transmit Level to a value between –10 and –32 dBm.
&I99 and &I100 causes the level to be varied automatically according to conditions for Enhanced Throughput Cellular
(ETC) operation. &J0 overrides this command, and is the default for North America and Singapore. See Appendix F.
&I0 –0 dBm (–0 dBm to –9 dBm invalid for North America and Singapore.)
D
D
D
D
&I7 –7 dBm (Default for Belgium.)
&I8 –8 dBm
&I
9
–9 dBm (Default for Switzerland, and Turkey.)
&I
10
–10 dBm (Default for France, Netherlands, Norway, Singapore and UK.)
&I1
1
–11 dBm (Default for Denmark and Finland.)
&I
12
–12 dBm
&I
13
–13 dBm
&I
14
–14 dBm (Default for Sweden.)
&I
15
–15 dBm (Default for Germany and Japan.)
&I
16
–16 dBm (Set by &F5)
D
D
D
D
&I32
–32 dBm (–16 dBm to –32 dBm invalid for all country codes except North America.
See Appendix F.)
&I
99
Automatically adjusted according to the ETC1.0 specification. Set by &F6. Use only with remote modems set
to &I99, and limit the data rate to 4800 bps (S41 = 5).
&I
100
Automatically adjusted according to the ETC1.1 specification.
&J
n
Dial Transmit Type
Sets the power output level of the transmit signal over dial lines.
&J0
Permissive (–9 dBm). Valid only for North America.
&L
n
Leased Mode
Sets the modem for 2-wire leased-line operation in Answer mode or in Originate mode.
&L0
Disables leased-line operation.
&L1 2-wire originate leased-line operation.
&L3 2-wire answer leased-line operation.
The &L command will cause the modem to reset before entering or exiting Leased-Line mode. Therefore, it must be
entered as the last command in an initialization string.
WARNING: Do not configure the modem for leased line operation if the modem is connected to the PSTN.