LBI-39224
3-39
Figure 18 T1/E1 Digital Site Configuration Dialog Box
(T1 Line Type Selected)
Help
Choose the
Help
button to access the Help function. (Help is also
available by pressing the F1 key.)
Analog or Digital Voice
In addition to T1 or E1 selection, T1/E1 Interface Card configuration
includes selecting one of three primary board operating modes:
– Analog/modem mode ("Analog or Digital Voice using
Modems")
In the analog/modem mode, the T1/E1 Interface Card transfers
PCM-encoded signals between the CEC/IMC TDM network
and the T1/E1 line. PCM-encoded signals transferred by this
mode include analog (clear) voice, modem-encoded digital
voice, and/or modem-encoded data signals. In this mode each
site channel is assigned to a T1/E1 channel. In addition, this
mode allows use of the T1/E1 Interface Card subrate ports if
T1/E1 channels are available after site channel assignments.
Two CEC/IMC TDM bus slots coincide to one full duplex
T1/E1 Channel. This is exactly analogous to a CEC/IMC
Audio Board channel where two TDM bus slots coincide to
Summary of Contents for LBI-39224
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