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Chapter 2
Installation Safety and Site Preparation
The AC power supply includes the autoselect feature for either 110 V or 220 V operation.
Network Cabling Specifications
The following sections describe the cables needed to install the router:
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Preparing for Network Connections
When setting up your router, consider distance limitations and potential electromagnetic interference
(EMI) as defined by the applicable local and international regulations.
Network connection considerations are provided for several types of network interfaces and are
described in the following sections:
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•
Ethernet Connections
The IEEE has established Ethernet as standard IEEE 802.3. The router supports the following Ethernet
implementations:
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Serial Connections
The router supports serial connections on the serial ports. Before you connect a device to a serial port,
you need to know the following:
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Configuring Serial Connections
The router serial ports user a supported cable with a DB-25 connector. Serial ports can be configured as
DTE or DCE, depending on the serial cable used.
OL-26438-02
Preparing for Network Connections, page 2-5
Preparing for Network Connections, page 2-5
Ethernet Connections, page 2-5
Serial Connections, page 2-5
1000BASE-X—1000 Mb/s full-duplex transmission over a Category 5 or better unshielded
twisted-pair (UTP) cable (IEEE 802.3z). Supports the Ethernet maximum length of 328 feet (100
meters).
1000BASE-T—1000 Mb/s full-duplex transmission over a Category 5 or better unshielded
twisted-pair (UTP) cable (IEEE 802.3ab). Supports the Ethernet maximum length of 328 feet (100
meters).
100BASE-TX—100 Mb/s full-duplex transmission over a Category 5 or better unshielded
twisted-pair (UTP) cable (IEEE 802.3u). Supports the Ethernet maximum length of 328 feet (100
meters).
Type of device, data terminal equipment (DTE) or data communications equipment (DCE), you are
connecting to the synchronous serial interface
Type of connector, male or female, required to connect to the device
Signaling standard required by the device
Cisco 1120 Connected Grid Router Hardware Installation Guide
Network Cabling Specifications
2-5
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