Gigabit Ethernet ePIMs

In addition to the four built-in Gigabit Ethernet ports, J4350 and J6350 Services Routers also support a field-replaceable Gigabit Ethernet ePIM, which provides a physical connection to Gigabit Ethernet network media types. The field-replaceable Gigabit Ethernet ePIM is available in two versions, copper and small form-factor pluggable (SFP) transceiver. Each version has one port.

Figure 10 shows the Gigabit Ethernet ePIM with copper connector, and Figure 11 shows the Gigabit Ethernet ePIM with SFP connector.

Features and Limitations

The Gigabit Ethernet ePIM provides the following key features:

• Autonegotiation through medium-dependent interface (MDI) and MDI crossover (MDI-X) support.
• Link speeds for the Copper Gigabit Ethernet ePIM are configurable to 10, 100, or 1000 Mbps, and transmission mode is configurable to half or full duplex. The SFP Gigabit Ethernet ePIM cannot be manually configured—it is set at 1000 Mbps and full duplex.
• The SFP Gigabit Ethernet ePIM uses SFPs to allow different interfaces to be used on the ePIM. The ePIM supports 1000Base-SX, 1000Base-LX, and 1000Base-TX SFPs only; it does not support 1000Base-LH SFPs.

  1000Base-SX and 1000Base-LX SFP transceivers have the following characteristics:

  • Duplex LC/PC connector (Rx and Tx).
  • Optical interface support—See Table 16.

• Copper Gigabit Ethernet ePIM and 1000Base-T SFP transceivers have the following characteristics:
  • Connector: Four-pair, category 5 unshielded twisted-pair cable through an RJ-45 connector
  • Pinout: MDI crossover
  • Maximum distance: 100 m (328 ft)

For pinouts of cable connectors for Copper Gigabit Ethernet ePIMs, see RJ-45 Connector Pinout for Gigabit Ethernet Ports.

The Gigabit Ethernet ePIM has the following limitations:

• Gigabit Ethernet ePIMs do not support SNMP.
• Configure Gigabit Ethernet interfaces up to a maximum MTU size of 9018 bytes.

Installation

You can install Gigabit Ethernet ePIMs in any high-speed slot as follows:

• J4350—Install up to two Gigabit Ethernet ePIMs in slots 3 and 6.
• J6350—Install up to four Gigabit Ethernet ePIMs in slots 2, 3, 5, and 6.

High-speed slots are labeled with an E on the front-panel slot number diagram.

For instructions on installing and removing a PIM, see Replacing a PIM.

LEDs

The LINK and TX/RX LEDs indicate link status and activity. Table 15 describes the meaning of the LEDs.

Table 15: Gigabit Ethernet Port LEDs

For alarms, see the configuring and monitoring alarms information in the J-series Services Router Administration Guide.

Optical Interface Support

Table 16 describes the optical interface support for the SFP Gigabit Ethernet ePIM over single-mode fiber-optic (SMF) and multimode fiber-optic (MMF) cables.

Table 16: Optical Interface Support for SFP Gigabit Ethernet ePIM