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CDM-750 Advanced High-Speed Trunking Modem
Serial-based Remote Product Management
Command
Parameter
Number of
(Instruction
Type
Arguments
& Qualifier)
Unit Alarm
MSK=
36 bytes
Mask
Description of Arguments
Command or Query.
Set or return unit alarm masks in the form abcdefgxxxxxxxxxhijklmxxxxnopqrsxxxx, where:
Unit Alarm mask conditions, in form abcdefg, where:
a = Rx AGC Alarm***
b = Es/No Alarm***
c =
d = LNB
e = Reference alarm
f = Reserved
g = Rx decompression mismatch alarm***
xxxxxxxxx (9 spares)
PIIC1 Alarm mask conditions, in form hijklm, where:
h = Rx Buf PLL Alarm***
i = Rx Buf OverFlow Alarm***
j = rx Buf UnderFlow Alarm***
k = Ext Clk Act Alarm
l = Ext Clk In Range Alarm
m = input signal loss Alarm
n = Tx Symbol Clock PLL Alarm
xxx (3 spares)
PIIC2 Alarm mask conditions, in form nopqrs, where:
n = Rx Buf PLL Alarm***
o = Rx Buf OverFlow Alarm***
p = rx Buf UnderFlow Alarm***
q = Ext Clk Act Alarm
r = Ext Clk In Range Alarm
s = input signal loss Alarm
t = Tx Symbol Clock PLL Alarm
xxx (3 spares)
For PIIC1 And PIIC2
U = Uninstalled
X = Installed/Spare
Value of each mask:
*** indicates a 3 state mask where
0 = Unmasked Alarm (will not cause a redundant switch)
1 = Unmasked Fault (default, causes redundant switch)
2 = Masked (Ignore alarm or fault)
All other masks are 4 state masks where
0 = Unmasked Alarm (will not cause a redundant switch)
1 = Unmasked Fault (default, causes redundant switch)
2 = Masked (Ignore alarm or fault)
3 = Unmasked Fault Tx On (causes redundant switch but leaves Transmit output power on)
NOTE: Masks for alarms that are not applicable to various interface types (such as external clocks for OC3) are reserved as placeholders
and will not have any affect on operation.
Example: MSK=110010100000000000000000000000000000
7–20
Revision 2
MN-CDM750
Query
Response to
(Instruction &
Response to Query
Command
Qualifier)
MSK=
MSK?
MSK=
MSK?
abcdefgxxxxxxxxx
MSK*
hijklmxxxx
MSK#
nopqrsxxxx
(see Description of
Arguments)
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