RAD Data comm IPmux-1 - Manual (Page 21)

IPmux-1/1E Installation and Operation Manual Chapter 1 Introduction
Functional Description 1-13
Fractional with CAS
In the fractional-with-CAS mode, the structure block (as described under
Fractional Operation Modes, above) also includes Channel Associated Signaling
(CAS). The relevant portion of the signaling channel is packetized and sent to the
destination.
Use Fractional with CAS mode when grooming FXS channels from a remote
IPmux-1E unit.
IPmux-1E ISDN BRI
The IPmux-1E ISDN BRI S interface operation modes are:
• TE mode
• NT mode.
The selected mode applies to all 4 channels. The NT or TE mode is determined by
phantom feeding and software setting, which is enabled/disabled by jumpers
located on the BRI card (see Chapter 2).
TE Mode
All four channels are configured in TE (Terminal Equipment) as defined in I.430.
NT Mode
All four channels are configured in NT (Network Termination) as defined in I.430.
TE Deactivation is not used in NT mode, and Layer 1 is in active mode all the
time.
If phantom feeding is enabled by the jumpers, the TE mode cannot be selected as
the IPmux-1E operation mode. If phantom feeding is disabled, both NT and TE are
valid options.
IPmux-1E FXS
IPmux-1E FXS operates in:
• E1 mode
• T1-D4 mode
• T1 ESF mode.
Note
Note
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