Juniper Networks J4350 - Manual (Page 58)

J4350 and J6350 Services Router Getting Started Guide
Channelized T1 and E1 LEDs indicate PIM and port status. Table 18
describes the meaning of the LED states.
Table 18: LEDs for Channelized T1 and E1 PIMs
Label Color State Description
Green On steadily PIM is online and
operational. ONLINE
Unlit Off PIM is not online.
Green On steadily Port is online with
no alarms or failures,
and the physical layer
is active.
Red Online Port is active with
a local alarm. The
router has detected
a failure and the
physical layer is
inactive.
Yellow Online Port is online with
alarms for remote
failures.
STATUS
Unlit Offline Port is disabled.
T3 or E3 PIM
The T3 (also known as DS3) PIM (Figure 16) and E3 PIM (Figure 17) provide a
physical connection to T3 or E3 network media types. The T3 and E3 PIMs include
one physical T3 or E3 port with an integrated data service unit (DSU).
Figure 16: T3 PIM
RX
TX STAT US
DS3
g002327
38 Field-Replaceable PIMs