Chapter 3. Installing an Analog Modem

Terminal Emulation Modem Disable

When using HyperACCESS or other terminal emulation package issue the AT command AT_L0 (followed by Enter). Figure 3-6 illustrates a HyperACCESS session disabling an external analog modem.

Figure 3-6

HyperACCESS: Disabling an External Analog Modem

If carrier detect (CD) is active (a call is connected) on the external analog modem when attempting to disable it, the Express XRT will not switch control from the modem port. The call must be hung-up (disconnected) to deactivate CD.

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Express XR/XRT Quick Start Guide

61200.153L1-13

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ADTRAN 3360.9VU01, 1200153L2, 1200153L1, 336048VUR-2, XRT quick start Terminal Emulation Modem Disable