Juniper Networks J4350 - Manual (Page 62)

J4350 and J6350 Services Router Getting Started Guide
The 4-Port Fast Ethernet ePIM provides the following key features:
Full-duplex and half-duplex modes.
Autonegotiation through medium-dependent interface (MDI) and MDI
crossover (MDI–X) support.
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 configuring and monitoring alarms information in
the J-series Services Router Administration Guide.
NOTE: 4-port Fast Ethernet ePIMs support a maximum frame size of 1514 bytes.
Jumbo frames are not supported.
For information about installing and removing a PIM, see “Replacing
a PIM” on page 144.
Fast Ethernet LEDs indicate link status and activity. Table 21
describes the meaning of the LEDs.
Table 21: LEDs for 4-Port Fast Ethernet ePIM
Label Color State Description
Green On steadily Port is online. Link status (upper
left)
Unlit Off Port is offline.
Green Blinking Port is transmitting or receiving
data. Link activity (upper
right)
Unlit Off Port might be online, but it is not
transmitting or receiving data.
4-Port ISDN BRI PIMs
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