Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router
Configuration Tasks
6
12.0(14)S
Configuring a TUG-3
Each of the administrative unit group (AUGs) and tributary unit group (TUGs) of a PA-MC-STM-1 can
be configured to carry a set of E1 links that are mapped into TU-12s. To configure the AUG mapping to
AU-4, follow the steps below:
Configuring a Channel Group on an E1 of an AU-3
Command
Purpose
Step 1
Router(config)#
controller sonet
slot/port-adapter/port
Enters SONET controller configuration mode.
Step 2
Router(config-controller)#
framing sdh
Configures the framing mode of the to SDH.
Step 3
Router(config-controller)# [
no
]
aug mapping au-4
Maps the AUG to AU-4 with the following
muxing/alignment/mapping:
C-12 <-->VC-12 <--> TU-12<--> TUG-2
<--> TUG-3 <--> VC-4 <--> AU-4 <--> AUG
Step 4
Router(config-controller)#
au-4
au-4-number
tug-3
tug-3-number
Specifies the TUG-3 number to configure:
•
au-4-number
—a number in the range of 1 to N
where N is the STM level (For the
PA-MC-STM-1 N is always 1.)
•
tug-3-number
—a number in the range of
1 to 3.
Step 5
Router(config-ctrlr-tug3)#
mode c-12
Specifies the mode of operation of a TUG-3:
•
c-12
—The TUG-3 is divided into 21 TU-12s
each carrying an E1.
Step 6
Router(config-ctrlr-tug3)#
idle pattern
pattern
Configures the idle pattern that is to be transmitted
for unused time slots on all E1 lines of an AU-4.
•
pattern
—number in the range 0x0 to 0xFF
(hexadecimal) or 0 to 225 (decimal)
Command
Purpose
Step 1
Router(config)#
controller sonet
slot/port-adapter/port
Enters SONET controller configuration mode.
Step 2
Router(config-controller)#
framing sdh
Configures the framing mode of the to SDH.
Step 3
Router(config-controller)# [
no
]
aug mapping au-3
Maps the AUG to an AU-3 with the following
muxing/alignment/mapping:
C-12 <-->VC-12 <--> TU-12<--> TUG-2
<--> VC-3 <--> AU-3 <--> AUG
Step 4
Router(config-controller)#
au-3
au-3-number
Specifies the AU-3 number to configure:.
•
au-3-number
—a number in the range of
1 to 3.
