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Chapter 2 Installation
Preventing Damage to the Router
2-6
Cisco 837 Router and SOHO 97 Router Hardware Installation Guide
78-14781-02
Note An optional cable used for connecting a Cisco 837 router’s console port to an
async modem is available for dial backup and remote management. (The
SOHO 97 router does not need this cable.) This SOHO/800 Series Router Modem
Cable needs to be ordered separately. Contact your router vendor to order this
cable.
Preventing Damage to the Router
Follow these guidelines when connecting devices to your router:
• Connect the color-coded cables supplied by Cisco Systems to the color-coded
ports on the back panel.
• If you must supply your own cable, see Appendix A, “Specifications and
Cables,” for cabling specifications. If this appendix does not provide
specifications for a particular cable, we strongly recommend that you order
the cable from Cisco Systems.
• If the symbol of suitability ( ) appears above a port, you can connect the port
directly to a public network that follows the European Union standards.
Warning
If the symbol of suitability with an overlaid cross ( ) appears above a port, you
must not connect the port to a public network that follows the European Union
standards. Connecting the port to this type of public network can cause severe
injury or damage to your router.