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Available Serial
CES Service Type
Interface
Description
Channel Range
Basic E1
1
−
Basic T1 (ESF)
1
−
Basic T1 (D4)
1
−
E1 w/Signaling
1
−
T1 w/Signaling (ESF)
1
−
T1 w/Signaling (D4)
1
−
Unstructured E1
0
−
Unstructured T1
None3
1 Channel 16 (time slot 6) can be used for the Serial CES service without affecting E1 signaling. The E1 signaling
information is extracted from the CBR interface data stream prior to multiplexing it with the Serial interface
stream. Therefore, replacing channel 16 (time slot 16) with Serial interface data will not affect the assembly or
reassembly of the signaling data in the CES data stream.
2 The signaling information in the channel is automatically extracted in this mode and assembled in the signaling
substructure of the ATM payload. Including channel 16 in the CBR interface data stream would duplicate the
data transmitted in the signaling substructure and is therefore not needed.
3 An Unstructured T1 CES service is not compatible with a Serial interface CES service because the Serial
interface does not support a 1.544 MHz clock rate. However, you may use a Basic T1 CES service and allocate
all 24 channels to the Serial interface CES service resulting in a 1.536 MHz clock rate.
HDLC/PPP Service
This service has no configurable parameters.
8300-A2-GB20-00
Available CBR
Interface
Channel Range
3 1
1
3 1
−
2 4
1
2 4
−
2 4
1
2 4
−
3 11
1-15, 17-31
2 4
1
2 4
−
2 4
1
2 4
−
3 1
0
3 1
−
1
2 4
−
April 2003
Comments
Serial or CBR interface channels may be any
arbitrary set within the available channel range.
Serial or CBR interface channels may be any
arbitrary set within the available channel range.
Serial or CBR interface channels may be any
arbitrary set within the available channel range.
Serial interface channels may be any arbitrary set
within the available channel range. CBR interface
channels may not include Channel 16.2
Serial or CBR interface channels may be any
arbitrary set within the available channel range.
Serial or CBR interface channels may be any
arbitrary set within the available channel range.
Multiplexing channels between the CBR and
Serial interface is not allowed for an unstructured
service. All channels may be allocated to either
the Serial interface (Service parameter 5), or the
CBR interface (Service parameter 4), or disabled
(Service parameter 0).
All channels must be allocated to the CBR
interface (Service parameter 4) or disabled
(Service parameter 0).
3. VT100 Interface
3-43
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