3com MSR 20-20 참조 매뉴얼
2670
C
HAPTER
175: E1
AND
T1 C
ONFIGURATION
C
OMMANDS
23: Indicates the subscriber line is created for the ISDN PRI set created on a T1
interface.
interface.
Description
Use the subscriber line command to enter E1/T1 voice subscriber line view.
Upon creation of a TS group on an E1/T1 interface, the system automatically
creates a logical voice subscriber line numbered in the form of E1/T1 interface
number:TS group number. On the voice subscriber line, you can conveniently
configure signaling and other voice functions for the corresponding E1/T1 line.
Note that on each E1/T1 interface you can create only one TS group.
creates a logical voice subscriber line numbered in the form of E1/T1 interface
number:TS group number. On the voice subscriber line, you can conveniently
configure signaling and other voice functions for the corresponding E1/T1 line.
Note that on each E1/T1 interface you can create only one TS group.
After you create a PRI set with the pri-set command on an E1/T1 interface, a voice
subscriber line is automatically created. This line is numbered E1
interface-number:15 on an E1 interface and T1 interface-number:23 on a T1
interface.
subscriber line is automatically created. This line is numbered E1
interface-number:15 on an E1 interface and T1 interface-number:23 on a T1
interface.
Related command:
Example
# Enter the view of voice subscriber line 1/0:15.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] subscriber-line 1/0:15
[Sysname-voice-line1/0:15]
tdm-clock
Syntax
tdm-clock { internal | line [ primary ] }
undo tdm-clock
View
E1/T1 interface view
Parameter
internal: Sets the time division multiplexing (TDM) clock source on the E1/T1
interface to internal crystal oscillator TDM clock. The E1/T1 interface thus obtains
clock from the crystal oscillator on the mainboard. If it fails to do that, the
interface obtains clock from the crystal oscillator on its E1/T1 card. As SIC cards are
not available with crystal oscillator clocks, E1/T1 interfaces on SIC cards can only
obtain clock from the mainboard. The internal clock source is also referred to as
master clock mode in some features.
interface to internal crystal oscillator TDM clock. The E1/T1 interface thus obtains
clock from the crystal oscillator on the mainboard. If it fails to do that, the
interface obtains clock from the crystal oscillator on its E1/T1 card. As SIC cards are
not available with crystal oscillator clocks, E1/T1 interfaces on SIC cards can only
obtain clock from the mainboard. The internal clock source is also referred to as
master clock mode in some features.
line: Sets the TDM clock source on the E1/T1 interface to line TDM clock. The
E1/T1 interface thus obtains clock from the remote device through the line. The
line clock source is also referred to as slave clock mode in some features.
E1/T1 interface thus obtains clock from the remote device through the line. The
line clock source is also referred to as slave clock mode in some features.
line primary: Sets the TDM clock source on the E1/T1 interface to line TDM clock
with priority. The E1/T1 interface thus always attempts to use the line TDM clock
prior to any other clock sources.
with priority. The E1/T1 interface thus always attempts to use the line TDM clock
prior to any other clock sources.
Description
Use the tdm-clock command to set the TDM clock source for an E1/T1 interface.