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4-Port Fast Ethernet ePIM
You can install 4-Port Fast Ethernet ePIMs in any of the high-speed slots, as follows:
■ J4350—Install up to two 4-Port Fast Ethernet ePIMs in slots 3 and 6.
■ J6350—Install up to four 4-Port Fast Ethernet ePIMs in slots 2, 3, 5, and 6.
NOTE: For 4-port Fast Ethernet ePIMs, if you apply a CoS scheduler map on outgoing
(egress) traffic, the router does not divide the bandwidth appropriately among the
CoS queues. As a workaround, configure enforced CoS shaping on the ports.
The 4-Port 10/100-Mbps Fast Ethernet ePIM, shown in Figure 35 on page 62, has
four physical Fast Ethernet ports.
Figure 35: 4-Port Fast Ethernet ePIM
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 “Fast Ethernet RJ-45
Connector Pinout” on page 235.
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 174.
Fast Ethernet LEDs indicate link status and activity. Table 30 on page 63 describes
the meaning of the LEDs.
62 ■ Field-Replaceable PIMs
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide