Juniper-networks J4350 Bedienungsanleitung Seite 62

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J4350 and J6350 Services Router Getting Started Guide
The 4-Port Fast Ethernet ePIM provides the following key features:
Full-duplex and half-duplex m odes.
Autonegotiation through medium-dependent interface (MDI) and MDI
crossover (MD
I–X) sup port.
For pinouts of
cable connectors for Fast Ethernet ePIMs, see “RJ-45 Connector
Pinout for Fast Ethernet Ports” on page 194.
For alarms, see the configu rin g and monitoring alarms informatio n in
the J-series Services Router Administration Guide.
NOTE: 4-port F
astEthernetePIMssupportamaximumframesizeof1514bytes.
Jumbo frames are not supported.
For informati
on about installing and removing a PIM, see “Replacing
aPIM”onpage144.
Fast E therne t LEDs in di cate link status and activity. Ta bl e 21
describes t he meaning o f t he LEDs.
Table 21: LEDs for 4-Por t Fast Ethernet ePIM
Label Color State D escription
Green
On steadily Port is online.
Link status (upper
left)
Unlit Off Port is offli
ne.
Green
Blinking
Port is transmitting or receiving
data.
Link activity (upper
right)
Unlit Off Portmightbeonline,butitisnot
transmitting or receiving data.
4-Port ISDN BR I PIM s
The 4-port ISDN BRI PIMs have four physical ports that support the ISDN BRI
S/T (Figure 20) or ISDN BRI U (Figure 21) interface type.
42 Field-Replaceable PIMs
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