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Flex I/O Cards and Port Modules

Flex I/O Cards (flex IOCs) are IOCs with two slots, which accept port modules that add Ethernet ports to your services gateway. A flex IOC with installed port modules functions in the same way as a regular IOC, but allows greater flexibility in adding different types of Ethernet ports to your services gateway. Figure 7 shows a flex IOC with two typical port modules installed.

Figure 7: Flex IOC with Port Modules

Image g030286.gif

Note: Your services gateway must be running JUNOS version 9.5R1 or later in order to recognize flex IOCs and port modules.

Each flex IOC has a processor subsystem, which includes a 1.2-GHz CPU, a system controller, 1 GB SDRAM, and two Packet Forwarding Engines (PFEs) with a maximum throughput of 10 Gbps each. See Installing a Flex IOC and Removing a Flex IOC for information about installing and removing flex IOCs.

Table 6 describes the different port modules available.

Table 6: Port Module Types

Port Module Name

Number of Ports

Port Type

Maximum Throughput

Oversubscription Ratio

4x10GE-XFP

4

XFP 10 Gbps

10 Gbps

4:1

16x1GE-TX

16

RJ-45 1 Gbps

10 Gbps

1.6:1

16x1GE-SFP

16

SFP 1 Gbps

10 Gbps

1.6:1

You use port modules and flex IOCs to add different combinations of SFP, XFP, and TX ports to your services gateway to suit the specific needs of your network. The available port modules are shown in Figure 8. See Installing a Port Module and Removing a Port Module for information about installing and removing port modules.

Figure 8: Port Modules Supported on the Flex IOC

Image g030274.gif

Flex IOC Components

Each flex IOC consists of the following components:

Port Module Components

Each port module consists of the following components:

Port Module LEDs

LEDs on the faceplate of each port module indicate the status of the module and of each port. Table 7, Table 8, and Table 9 describe the LEDs on each port module type.

Table 7: 4-Port 10-Gigabit XFP Ethernet Port Module LEDs

Label

Color

State

Description

OK/FAIL

Green

On steadily

Port module is functioning normally.

Red

On steadily

Port module has failed.

LINK

Green

On steadily

Link is active.

Off

No link.

TX/RX

Green

Blinking

Port is receiving or transmitting data.

Off

No activity.

Table 8: 16-Port SFP Ethernet Port Module LEDs

Label

Color

State

Description

OK/FAIL

Green

On steadily

Port module is functioning normally.

Red

On steadily

Port module has failed.

Link 0 through 15

Green

On steadily

Link is active.

Off

No link.

Table 9: 16-Port TX Ethernet Port Module LEDs

Label

Color

State

Description

OK/FAIL

Green

On steadily

Port module is functioning normally.

Red

On steadily

Port module has failed.

Link (top or left of each port)

Green

On steadily

Link is active.

Off

No link.

TX/RX (bottom or right of each port)

Green

Blinking

Port is receiving or transmitting data.

Off

No activity.


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