Cisco BR1400 Deployment Manual page 46

• Use the supplied electrical joint compound on the connector threads and grounding points
as it serves as a water repellent and anti-seizing thread lubricant. (Teflon or silicon grease
may be used if the joint compound is not available.
• Use the supplied Coax-seal (a form of moldable plastic) to completely cover the
connectors wrapping in a spiral direction up the connector (opposite of the way the water
would flow).
Tip: Many installers will use a layer of high quality electrical tape such 3M Scotch Super 88
or 88T PVC electrical tape. The 88T PVC electrical tape has a better temperature range.
Applying a thin layer of electrical tape followed by Coax seal and then another layer of tape
is sometimes used so that the weatherproofing can be undone easily using a simple utility
knife.
Avoid using poor quality electrical tape or other forms of weatherproofing such as "rubber
windshield silicones", RTV or liquid rubber type spray on coatings. These types of sealants can
contain acetone and other chemicals which can eat the rubber gaskets in N connectors, or cause
connector corrosion. These types of products may also break down in ultraviolet light (sun light)
destroying the sealing properties. If you need to use these types for whatever reason, always cover
it with a good quality electrical tape first.
If the connection will be underground, then use tape layers and Coax seal then perhaps apply a
rubber coating such as Plastic Dip <trademark of Performix> spray-on or dip coating over the
final tape layers. See http://www.plastidip.com/consumer/products.html
6.13.2 Recommended Practices / Maintenance for Bridge deployments
Security: After you have verified connectivity and have completed your installation, always
remember to enable security on your bridge link. The Cisco 1400 Series Bridge can support many
types of encryption as well as IEEE 802.1x authentication and MAC address filtering. Cisco
suggests that you consider using a Cisco Radius implementation or using 128 bit WEP enabling
MIC and Per Packet Keying (TKIP). The latter can be enabled by browsing into the BR1400
selecting Security and then Encryption Manager. For more on security, refer to the Cisco BR1400
documentation and Cisco Safe whitepaper at this URL:
http://www.cisco.com/warp/public/cc/so/cuso/epso/sqfr/safe_wp.htm
Optimizing the Bridge link: Remember to configure the "distance in Kilometers" to reflect the
distance of the actual Bridge link.
Filtering: The1400 Series Bridge fully supports filtering which can be enabled to improve
performance or to improve security. To enable filtering simply browse into the unit choosing
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