Installation Guide

8 QPSK (Release A63) Software Upgrade and Installation Instructions 4002804 Rev C
About This Upgrade, Continued
CR Number
Subscriber
Cable Service Provider
6888
Temporary inability to get or use
two-way connection. The QPSK
modulator will reboot when it
has exhausted its available
buffers. This may occur due to
heavy traffic load, such as when
there are a large number of
DHCTs signing on. After the
QPSK modulator reboots, all of
its DHCTs attempt to sign on.
No impact
8885
No impact
The QPSK demodulator may not
correctly download new
software when the terminal
server is connected to the craft
port.
8887
No impact
Poor QPSK upstream reservation
mode performance.
Note: This mode is rarely used.
11644
Temporary inability to get or use
two-way connection. The QPSK
modulator may spontaneously
reboot without warning to the
operator.
No impact
11654
Temporary inability to get or use
two-way connection. QPSKs
may experience spontaneous
reboots and/or abnormally slow
sign-on rates.
No impact
12250
No impact
The Element Management
System may display alarms for a
QPSK Demodulator that are no
longer active alarms (if the
Demod was reset or rebooted).