Avaya Media Gateway G250, Руководство администратора, Страница: 181 / 840

Configuring SLS
Issue 5 June 2008 181
Administering DS1 parameters
1. Enter
ds1 slot-address
, where
slot-address
is any permitted port.
The command line prompt changes to
super-sls/ds1-<port-address>
. If you want
to remove the ds1 trunk from the SLS administration, enter
exit
to leave the second-level
ds1
context and return to the (
super-sls)#
context, and then enter
clear ds1
slot-address
.
Note:
Note:
If configuration changes affecting trunk provisioning (such as, signaling and
bit-rate) are made to a DS1 trunk where the trunk and its associated signaling
group have already been provisioned, an error message instructs you that the
"Administrative change is in violation with existing trunk member provisioning",
and the configuration change is rejected.
2. Enter
set name name
to identify the user name for the DS1 trunk. Use the 1-27 character
name as specified on the Communication Manager form (
add trunk-group n
). Type
the name string inside double quotes.
3. Enter
set bit-rate rate
to set the maximum transmission rate in Mbps for the DS1
facility. The rate can be either
1544
(T1) or
2048
(E1).
4. Enter
set signaling-mode mode-type
to set the signaling mode for the DS1 facility,
where
mode-type
is one of the following values:
●
cas
. Out-of-band signaling for E1 service, yielding thirty 64 kbps B-channels for voice
transmission
●
robbed bit
. In-band signaling for T1 service, yielding twenty-four 56 kbps
B-channels for voice transmission
●
isdnpri
. T1 or E1 ISDN Primary Rate service (supports both FAS and NFAS)
● isdnext
. NFAS T1 or E1 ISDN service for:
●
T1 facility, in which all 24 channels are for bearer transport
●
E1 facility, in which all 31 channels are for bearer transport
5. Enter
set channel-numbering method
to select the channel-numbering method for
B-channels on an E1 interface, where
method
is one of the following values:
●
seq
. Sequential codes of B-channels 1-30 in the ISDN Channel Identification IE
● tslot
. Timeslot method
6. Enter
set connect far-end
to specify the equipment at the far-end of the DS1 link,
where
far-end
is one of the following values:
●
host
. Data application (computer or server)
● lineside
. Terminal equipment (video multiplexer)
●
network
. Central office
● pbx
. Private communication system (another pbx)