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Paradyne 3800PLUS User Manual

Page 144

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COMSPHERE 3800Plus Modems

13-10

October 1998

3980-A2-GB30-40

Table 13-1

(8 of 15)

3800

Plus AT Commands

AT Command

Front Panel Branch

Description

&

I

Dial Transmit Level

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 are available

only if Enhanced Throughput Cellular (ETC) is installed and cause the
level to be varied automatically according to conditions for ETC operation.

&

I

10

–10 dBm

&

I

11

–11 dBm

S

S

S

S

&

I

32

–32 dBm

&

I

99

Automatically adjusted according to the ETC1.0 specification

.

Use

only with remote modems set to &

I

99, and limit the data rate to

4800 bps (S41=5). Set by &F6.

&

I

100 Automatically adjusted according to the ETC1.1 specification.

NOTE: &J0 overrides this command; &

I

n overrides the &J0 command.

Configure\Edit\Dial Line

&J

n

Dial Transmit Level Type

&J0

Permissive (Approx. – 9 dBm).

NOTE: &J0 overrides the &

I

n command; &

I

n overrides the

&J0 command.

Configure\Edit\Dial Line

&L

n

Leased Mode

&L0

Disables leased-line operation.

&L1

2-wire originate leased-line operation.

&L2

4-wire originate leased-line operation.

&L3

2-wire answer leased-line operation.

&L4

4-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. The modem must be in Sync Leased mode (&F2 or
&F4) for the &L command to work.

Configure\Edit\
Leased Line