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use the same timeslots. In simple application, with proper user-card the devices can start to work
without any configuration. In this case RC3000 does not use its function of cross connect and
add/drop voice channel, this is the same as traditional single E1 PCM30 device that for
point-to-point connection. RC3000-2E1, RC3000-2E1 (ADM), RC3000-4E1, RC3000-OPT all can
be used in this way.
1.2 ADM function
RC3000-2E1 (ADM) has the ADM function, and Figure 1-2 is a typical application:
RC3000-2E1 (ADM) will connect the same unused channels of 1E1 and 2E1 automatically. That is
to say, when there is no user-card all the unused channels in 1E1 will be cross connected with those
of 2E1; in this case the device has ADM function. The relationship of the two devices is in Figure
1-3.
Central office
Remote side Device 1
The sub-cards in local and those in remote are corresponding to each other, and the local device can
allot service to the three remote ones. Meanwhile work status of middle device will not affect the last
device.
1.3 Daisy-chain application
When you need complicated ADM or multi-services you can configure the device by yourself, and
Figure 1-2 ADM application
SLOT1
Sub-card 1
Sub-card 1
Device 2
Device 3
Figure 1-3 Relationship of local and remote devices
SLOT2
Sub-card 2
Sub-card 3
Sub-card 2
User Manual
SLOT3
Sub-card 3
2
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