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Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-02
Chapter 2 Preparing for Router Installation
Required Tools and Equipment for Installation and Maintenance
• For NEC-compliant grounding, an appropriate user-supplied ring terminal, with an inner diameter
of 1/4 in. (5 to 7 mm)
In addition, depending on the type of modules you plan to use, you might need the following equipment
to connect a port to an external network:
• Cables for connection to the WAN and LAN ports (dependent on configuration)
Note For more information on cable specifications, see the Cisco Modular Access Router Cable
Specifications document at Cisco.com.
• Ethernet hub or PC with a network interface card for connection to an Ethernet (LAN) port.
• Console terminal (an ASCII terminal or a PC running HyperTerminal or similar terminal emulation
software) configured for 9600 baud, 8 data bits, 1 stop bit, no flow control, and no parity.
• Modem for connection to the auxiliary port for remote administrative access (optional).
• Data service unit (DSU) or channel service unit/data service unit (CSU/DSU) as appropriate for
serial interfaces.
• External CSU for any CT1/PRI modules without a built-in CSU.
• NT1 device for ISDN BRI S/T interfaces (if not supplied by your service provider).