ADTRAN 1200103L2, Руководство пользователя

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Chapter 3. Operation
61200.103L2-1 FXO+ Dual Voice Option Module User Manual
7
DPT (dial-pulse terminate)
This mode allows analog DID (direct inward dial)
trunk interfaces on a PBX to be interfaced to a T-span.
In the DPT mode, the FXO+ card detects battery
polarity reversal and passes this information out the T-
span. The FXO+ responds to signaling on the T-span
by opening or closing the loop. These functions allow
incoming calls on the T-span using E&M signaling to
be terminated on an analog port using loop-reverse
battery signaling.
RX LVL (TLP) (Receive Level/Transmit Level Point)
RX LVL (TLP) sets the RX direction transmission level
points (TLP). The TLP is indicated in dB and the
relative loudness is indicated by a bar graph display.
Settings change immediately as the bar graph is
scrolled.
Choice range: – 8 dB –> 0 dB, in 1 dB steps.
TX LVL (TLP) (Transmit Level/Transmit Level Point)
TX LVL (TLP) sets the TX direction transmission level
points (TLPs). The TLP is indicated in dB and the
relative loudness is indicated by a bar graph display.
Settings change immediately as the bar graph is
scrolled.
Choice range: +0 dB –> –8 dB, in 1 dB steps.
Fault Resp (Fault Response)
Fault Response, Normal or Seized, determines the 2-
wire output during a carrier alarm. For a network
alarm, the 2-wire trunk would appear busy if set for
seized. If set for Normal, no seizure occurs.
Choices: Normal and Seized.