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Hardware Features
Fast Ethernet (FE) Ports
The router features six Fast Ethernet (FE) ports that can be connected to local network devices, such as
IEDs, sensors, and reclosers. The ports are labeled as follows:
•
•
•
•
•
•
Specifications
Specification
Connector type
Cables
Interface speed
IEEE standard
Pinouts
Gigabit Ethernet (GE) Ports
The router features two Gigabit Ethernet (GE) ports for a WAN connection to a primary substation or
control center. The ports are labeled as follows:
•
•
Interfaces ETH 2/1 and ETH 2/2 are also used by the
Note
more information about how these ports are used together, see
The GE ports automatically detect the type of any connected cable (fiber or copper) and then switch to
the corresponding mode (fiber or copper). When both cables types are connected to the router, the first
cable that establishes a link is enabled.
Specifications
Specification
Connector type
Cables
Interface speed
Pinouts
Cisco 1120 Connected Grid Router Hardware Installation Guide
3-14
ETH 2/3
ETH 2/4
ETH 2/5
ETH 2/6
ETH 2/7
ETH 2/8
Description
RJ-45
Category 5 or higher
10BASE-T and 100BASE-TX
IEEE 802.3
See
Connector and Cable Specifications
ETH 2/1
ETH 2/2
Description
RJ-45 (Copper mode)
Optical fiber
Category 5, 5e, 6 shielded twisted pair (STP)
10BASE-TX, 100BASE-TX, 1000BASE-T
See
Connector and Cable Specifications
Chapter 3
Router Hardware Description
Small Form-Factor Pluggable (SFP)
Combo Ports, page
Ports. For
3-15.
OL-26438-02
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