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Paradyne 3825PLUS User Manual

Page 36

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COMSPHERE 3825Plus Modem

4-10

January 1999

3825-A2-GB30-40

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.

&

I

99 and &

I

100 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. See

Appendix F

.

&

I

0

– 0 dBm

D

D

D

D

&

I

7

–7 dBm

&

I

8

–8 dBm

&

I

9

–9

dBm

&

I

10

–10 dBm

&

I

11

–11 dBm

&

I

12

–12 dBm

&

I

13

–13 dBm

&

I

14

–14 dBm

&

I

15

–15 dBm

&

I

16

–16 dBm (Set by &F5 if ETC installed)

D

D

D

D

&

I

32

– 32 dBm

&

I

99

Available only if ETC is installed. Automatically adjusted according to the ETC1.0 specification. Set by &F6.
Use only with remote modems set to &

I

99, and limit the data rate to 4800 bps (S41 = 5).

&

I

100

Available only if ETC is installed. Automatically adjusted according to the ETC1.1 specification.

NOTE: The default and permitted settings of this option are country-dependent. See

Appendix F

.

&J

n

Dial Transmit Type

Sets the power output level of the transmit signal over dial lines. Overrides the &

I

command.

&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.