User's Manual

Screen Service SDT 200UB – SDT 500UB ARK-1 ATSC Operations
July, 2009 v 1.0 Page 3 - 36
Each trap carries a 32 bits word in which each alarm represents one bit (0: Off, 1: On). The
following table shows the bit-to-alarm association.
Table 5.
Bit-to-trap association map
Alarm Bit Alarm Bit
Up converter Osc. Unlock 0 Signal 10 MHz Lock 16
PS Voltage out range 1 Signal 129 MHz Lock 17
PS Current out of range 2 Signal 960 MHz Lock 18
Absolute Power Limiter 3 Down Converter Osc. Unlock 19
Up converter communication error 4 No RF Input 20
Temperature High Alarm 5 RF Input Squelch 21
Temperature Level-3dB 6 RF Digital Ber. Alarm 22
Temperature High Warning 7 File System Error 23
Forward Power High 8 Bad File in File system 24
Forward Power Low Warning 9 No TS Input 25
Forward Power Low Alarm 10 FPGA Boot alarm 26
Reflex Power High 11 Warm Up 27
Fan Speed 12 Not used 28
S/N Level 13 Not used 29
GPS Lock 14 Not used 30
GPS Communication Error 15 Not used 31
E.g. A trap carring the decimal value 33,570,816, corresponding to a binary value of
0000 0010 0000 0000 0100 0000 0000 0000, means GPS Lock (bit 14) and No TS Input (bit
25) alarms raised.
The Community shown in trap messages can be set from Java interface in the Community
box within the Network window (refer to Network
paragraph).