A-1
Cisco 3200 Series Router Hardware Reference
OL-5816-10
APPENDIX
A
Smart Serial Port External Seal
The Smart Serial port is not sealed. When the Smart Serial port is not connected or otherwise in use, the
protective cover that is provided should be used to seal the port. When a Smart Serial port is connected
by means of a cable, protective heat-shrink tubing should be used to seal the port. We recommend 4:1
shrink-ratio tubing (one piece is provided).
To seal the Smart Serial ports, complete the following steps:
Step 1 Cut a 1.8-inch length of heat-shrink tubing.
Step 2 If the Smart Serial port cable is attached, remove it.
Step 3 Feed the cable through the heat-shrink tubing.
Step 4 Secure the cable back onto the Smart Serial port by using the jack screws of the cable assembly, as shown
in
Figure A-1.
Figure A-1 Securing the Smart Serial Port Cable
Step 5 Move and secure adjacent port protectors away from the smart serial port.
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