Administrator's Guide

DS1 Circuit Pack
Issue 5 October 2002 761555-233-506
This field appears if the Signaling Mode field is CAS or isdn-pri. For the
Japanese 2Mbit trunk circuit pack, this is a display-only field if the Signaling
Mode field is
CAS.
CRC
This field indicates whether a cyclic redundancy check (CRC) will be performed
on transmissions that the DS1 circuit pack receives. This field does not display for
all circuit packs.
D-Channel
The Japanese 2Mbit trunk circuit pack, when administered to support ISDN-PRI
signaling, allows you to assign the D-channel to any channel from 1 to 31 in an
E-1 facility. You cannot submit the screen if this field is blank. Using the
change
ds1
command, you can change this field if the D-channel is not used in a
signaling group. This field appears only when the Location field indicates the
circuit pack is a Japanese 2Mbit trunk circuit pack and the Signaling Mode field is
isdn-pri.
DCP/ANALOG Bearer Capability
This field appears when the Signaling Mode field is isdn-pri. It is used to
determine bearer capability encoding.
Valid entries Usage
1
to 25 Enter the country protocol used by the central office at which
this link terminates.
etsi
Enter etsi if your network service provider uses the protocol
of the European Telecommunications Standards Institute
(ETSI). Enter
etsi only if the Signaling Mode field is
isdn-pri
.
Valid entries Usage
y
Enter y when the Signaling Mode field is CAS and the DS1
link is providing E-1 service.
n
Enter n for all other applications.
Valid entries Usage
1
to 31 Enter the number of the channel that will be used as the
D-channel.
Valid entries Usage
3.1kHz
speech