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COMSPHERE 3800 Series Modems
9-30 November 1996 3810-A2-GB30-20
Table 9-5
(2 of 5)
Leased Line Configuration Options
V32bis Autorate: Enable
Nxt Enable Disable
V.32bis Autorate. Once connected, the modem automatically lowers the line rate if line conditions become impaired.
When line conditions improve, the modem automatically shifts up to the highest data rate the line can support. This
autorating only occurs between 14,400 bps and 4800 bps during V.32/V.32bis connections.
The factory default is Enable.
AT command for V.32bis Autorate is S-register S82 =
n
where
n
is 0 for Enable and 1 for Disable.
Leased TX Level: 0
Nxt0–1–2–3–4–5–6–7–8–9–10–11–12–
13 –14 –
15
Leased Transmit Level. Selects the modem’s transmit power level over leased lines. The transmit output level can be
selected in 1 dBm decrements from 0 dBm to –15 dBm.
The factory default is 0 dBm.
AT command is S-register S45 =
n
, where
n
is a value from 0 to 15 corresponding from 0 dBm to –15 dBm.
1800HzTrainTone: Disable
Nxt Disable Enable
1800 Hz Training Tone. This configuration option is for communicating with certain modems that do not comply with the
V.32 standard. When 1800 Hz Training Tone is enabled, a short burst of 1800 Hz (AC) tone is sent to the answering
modem to prompt it to answer. This is not required for V.32-compliant modems.
The factory default is Disable.
AT command is S-register S34 =
n
, where
n
is 0 for Disable and 1 for Enable.