Paradyne T1 T1 Access Mux 926x Instrukcja Użytkownika Strona 41

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Applications
3-7
9161-A2-GH30-30
April 1998
Channel Bank Replacement and Additions
In the example shown in the following diagram, the T1 access unit is a
replacement for a channel bank. The T1 access unit is more than just a
replacement for a channel bank. It can do many things that a channel bank
cannot do. A channel bank has no data ports, it passes data as if it comes from
external modems or DSUs. The T1 access unit provides both data and voice
ports. A channel bank is a “dumb” device, and therefore cannot be managed from
a remote site, while the T1 access unit can be managed via SNMP.
97-15194-01
T1 Access Unit
with E&M and
FXS APMs
FXS Circuits
to Dial Modems
4-Wire
E&M Circuits
PBX
Analog
PBX
D4
Switch
Public Switched
Telephone Network
Channel Bank Replacement
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