3Com MSR 50 Series, Configuration Manual

Page: 124 / 2443

124 C
HAPTER
4: WAN I
NTERFACE
C
ONFIGURATION
Depending on the networking requirements, you probably need to configure the
CT3 interface with parameters about
“Configuring PPP” on page 367 , “VoFR
Configuration” on page 2385 , “IP Addressing Configuration” on page 623 , and so
on.
Configuring Other CT3
Interface Parameters
Follow these steps to configure other CT3 interface parameters:
To do... Use the command... Remarks
Enter system view system-view --
Enter CT3 interface view controller t3
interface-number
Required
Set the clock
mode For the CT3
interface clock { master | slave } Optional
The default is slave , that is,
line clock.
For a T1 line t1 line-number set clock
{ master | slave }
Optional
The default is slave , that is,
line clock.
Set the cable length cable feet Optional
The default is 14.9 meters (49
feet).
Set the
loopback
mode On the CT3
interface loopback { local | payload |
remote }
Optional
Loopback is disabled by
default.
On a T1 line t1 line-number set loopback
{ local | payload | remote }
Set the
framing
format On the CT3
interface frame-format { c-bit | m23 } Optional
The default is C-bit.
On a T1 line t1 line-number set
frame-format { esf | sf }
Optional
The default is esf .
Configure
alarm signal
detection/sen
ding On the CT3
interface alarm { detect | generate
{ ais | febe | idle | rai } }
Optional
Alarm detection is enabled by
default.
On a T1 line t1 line-number alarm
{ detect | generate { ais |
rai } }
Start a BERT
test On the CT3
interface bert pattern { 2^7 | 2^11 |
2^15 | qrss } time number
[ unframed ]
Optional
BERT test is disabled by
default.
On a T1 line t1 line-number bert pattern
{ 2^11 | 2^15 | 2^20 | 2^23 |
qrss } time number
[ unframed ]
Configure FEAC channel signal
detection/sending on the CT3
interface feac detect
feac generate loopback
{ ds3-line | ds3-payload }
feac generate { ds3-los |
ds3-ais | ds3-oof | ds3-idle |
ds3-eqptfail }
Optional
FEAC channel signal
detection is enabled by
default but no FEAC signals
are sent.
Configure MDL message
detection/sending on the CT3
interface mdl { detect | data { eic
string | fic string | | gen-no
string | lic string | pfi string |
port-no string | unit string } |
generate { idle-signal | path
| test-signal } }
Optional
By default, MDL message
detection and sending are
disabled and the default MDL
message information applies.