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FE-8 SFP I/O Module
ERX7xx models, ERX14xx models, and the ERX310 router all support the FE-8 SFP
I/O module.
The FE-8 SFP I/O module uses a range of small form-factor pluggable transceivers
(SFPs) to support different optical modes and cabling distances. The I/O module
supports up to eight LC-style fiber-optic connectors.
Unlike all other Fast Ethernet and Gigabit Ethernet I/O modules, the FE-8 SFP I/O
module does not support automatic negotiation of the line speed and duplex mode
by the router. For more information, see "duplex" on page 201 and "speed" on
page 204.
Gigabit Ethernet I/O Modules and IOAs
Gigabit Ethernet interfaces are supported on the following modules:
GE I/O Module
ERX7xx models, ERX14xx models, and the ERX310 router all support the GE I/O
module.
You can pair any of the following types of GE I/O modules with the GE/FE line module:
The GE I/O module has two ports: one port (port 0) is active (also known as primary),
and the other port (port 0R) is redundant. If the active port fails, the redundant port
automatically becomes active.
GE I/O module
GE-2 SFP I/O module
GE-8 I/O module
OC3-2 GE APS I/O module
ES2-S1 GE-4 IOA
ES2-S1 GE-8 IOA
ES2-S3 GE-20 IOA
The GE I/O SFP module uses a range of SFPs to support different optical modes
and cabling distances. The I/O module accepts up to two pairs (Tx/Rx) of LC-style
fiber-optic connectors that support different optical modes and cabling distances.
Alternatively, the I/O module supports up to two pairs of copper SFPs.
The GE I/O MULTI MODE module accepts up to two pairs (Tx/Rx) of SC-style
fiber-optic connectors.
The GE I/O SINGLE MODE module accepts up to two pairs (Tx/Rx) of SC-style
fiber-optic connectors.
Chapter 5: Configuring Ethernet Interfaces
Gigabit Ethernet I/O Modules and IOAs
179
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