Juniper Networks J2320 사용자 설명서
Figure 38: ADSL 2/2+ Annex A PIM
Figure 39: ADSL 2/2+ Annex B PIM
The ADSL PIM provides the following key features:
■
Onboard network processor
■
ADSL, ADSL2, and ADSL2+ protocols on the same PIM
■
“Dying gasp” notification
■
Asynchronous Transfer Mode (ATM) Adaptation Layer 5 (AAL5) encapsulation
To install or remove a PIM, see “Replacing a PIM” on page 174.
The ADSL PIMs have two LEDs to indicate the status of the PIM and its port.
Table 32 on page 65 describes the meaning of the LED states.
Table 32 on page 65 describes the meaning of the LED states.
Table 32: LEDs for ADSL PIMs
Description
State
Color
Label
PIM passed the self-test and is online and
operational.
operational.
On steadily
Green
ONLINE
PIM is offline.
Off
Unlit
Online with no alarms or failures.
On steadily
Green
STATUS
Active with local or remote alarms. The router
has detected a failure.
has detected a failure.
On steadily
Red
Field-Replaceable PIMs
■
65
Chapter 3: PIM and VoIP Module Overview