Cisco DNCS System Release 2.7 3.7 4.2 Guide De Montage

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Chapter 5    SR 7.0 Post Upgrade Procedures 
 
 
 
60 
OL-31613-01 
 
If no, go to Reset QPSK Modulators (on page 63). 
 
Resetting Modulators Through the Modulator Panel 
When you reset the modulators, the modulators download their new SR 7.0 code. 
Follow these instructions to reset the modulators through the modulator panel. 
1  Follow these instructions to record the Session Count, the Program Count, and 
the IP address of your modulators. 
Note: Skip this step for any modulator that is used for video-on-demand (VOD). 
a  Press the Options button on the front panel until the Session Count total 
appears. 
b  Record the Session Count on a piece of paper. 
c  Press the Options button on the front panel until the Program Count total 
appears. 
d  Record the Program Count on a piece of paper. 
e  Press the Options button on the front panel until the IP address appears. 
f  Record the IP address on a piece of paper. 
Note: Press the RF Select button to access each component of the MQAM 
and GQAM. 
g  Repeat steps a through f for all of your QAM, MQAM, and/or GQAM 
modulators. 
2  Choose one of the following options: 
 
To reset an MQAM or GQAM modulator, go to step 3. 
 
To reset a QAM modulator, go to step 4. 
3  To reset an MQAM or GQAM modulator, follow these instructions. 
a  Press the Options button on the front panel until the Reset option appears. 
b  Follow the instructions that appear alongside the Reset option. 
c  Go to step 5. 
4  To reset a QAM modulator, turn off the power switch on the back of the QAM 
modulator, wait a few seconds, and turn it back on. 
5  Repeat steps 3 and 4 for up to three additional modulators, and then go to step 6. 
Important: Never reset more than four modulators at once, or you may overload 
the EC. 
Note: In step 7, you will have the opportunity to reset additional modulators. 
6  Wait a few minutes and then from a remote terminal window on the EC, type 
ping [IP address]
 and press Enter to ping each modulator you just reset. 
Example:  
ping 192.0.2.4
 
Result: The ping command displays a message similar to Device is alive when 
the modulator has been reset.