Juniper-networks J4350 Manual de usuario Pagina 54

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J4350 and J6350 Services Router Getting Started Guide
Dual-Port Serial PIM
The Dual-Port Serial P IM (Figure 12) provides a physical con n ection to serial
network media
types through two serial interface ports.
Figure 12: Dua
l-Por t Serial PIM
STATUS
STATUS
PORT 1
PORT 0
SERIAL
SYNCH
g002329
The Dual-Port Serial PIM provides t he following key features:
Onboard network processor
Autoselection of operation modes based on data terminal equipment (DTE)
or data com
munication e quipment (DCE) cables
Local and r
emote loopback diagnostics
Configura
ble clock rate for the transmit (Tx) clock an d receive (Rx) clock
For pinout
s of cable connectors for serial PIMs, see “Serial PIM
Cable Specifications” on page 185.
For alarms, see the configu rin g and monitoring alarms informatio n in
the J-series Services Router Administration Guide.
ForinstallingandremovingaPIM,see“ReplacingaPIM”onpage144.
Status LEDs indicate port status. Table 16 describes the meaning of the LED states.
Table 16: Status LEDs for Serial Ports
Color State Description
Green
On steadily Online with no alarms or failures.
34 Field-Replaceable PIMs
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