User manual

17 Chapter 3
3.2 Alarm Board Specification
Input Power: +5V, +12V
Input Signals:
• 7 FAN connectors (GND_+12V_FAN)
• One thermal board connector (up to 8 thermal boards in a roll)
• One power good input
• One alarm reset input.
• One voltage signal connector (connect from backplane, includes ±12V,
±
5V, 3.3V)
• One ATX power connector (connect from CPU card)
• One system reset connector (connect from CPU card)
• One Hard Disk LED connector (connect from CPU card)
Output Signals:
• One LED board connector
• One LCM board connector
• SNMP daughter board connector (connect to SNMP-1000 mainboard)
• One Buzzer output
• ATX power connector (connect to chassis)
• System reset connector (connect to chassis)
Other Interfaces:
• One pair of Watch dog input/output signals
• One pair of I2C Bus signals (DATA and CLK)
• One LAN connector
• One COM connector
• One Battery pack connector
Pin Definition