3Com 3C10111C - NBX 100 - Modular Exp Base, Руководство по установке

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98 C
HAPTER
2: I
NSTALLING
S
YSTEM
H
ARDWARE
C
OMPONENTS
Example:
During the Auto Discover process, the NBX system may assign extensions
to Line Card ports as shown in
Table 16 .
Usually, you want to have the lowest extension number associated with
the first port, the next highest extension number associated with the
second port, and so on.
Set All For
Low
Bandwidth
Connection
Compression Turns on data compression and other measures designed to reduce
the packet stream to a minimum
Enable the Low Bandwidth check box for a telephone you link to the
network by a low bandwidth connection such as an ISDN line.
If you are connecting a telephone to the NBX system through a
broadband connection, do not enable the Low Bandwidth settings.
Through a low bandwidth connection you cannot play music on hold.
Default - Off (unchecked)
Audio
Compression Selects an Audio Compression setting:
■
Default — The system-wide setting
■
None - G.711 — No compression, G.711 (MULAW) audio
encoding
■
Med - ADPCM — Medium compression, ADPCM audio encoding
■
High - G.729 — High compression, G.729 audio encoding.
Conference
Disabled Prevents this telephone from initiating conference calls, however, the
telephone can still participate in conferences initiated by someone
else.
Periodic
Status
Message
Disabled Disables the status messages between device and NCP.
Table 16 Examples of Line Card Addresses
Analog Line Card (3C10114) Analog Line Card (3C10114C)
MAC Address Extension MAC Address Extension
00:e0:bb:03:8d:c8 7260 00:e0:bb:03:8d:cc(1) 7260
00:e0:bb:03:8d:c9 7261 00:e0:bb:03:8d:cc(2) 7261
00:e0:bb:03:8d:ca 7259 00:e0:bb:03:8d:cc(3) 7259
00:e0:bb:03:8d:cb 7258 00:e0:bb:03:8d:cc(4) 7258
Table 15 Modify Line Card Port Fields (continued)
Field Purpose