American Dynamics ADMPCPU User Manual

MEGAPOWER CPU 

8200-0421-03, REV. G 

ADMINISTRATOR’S GUIDE 

26 of 82

 

If only one MegaPower CPU IP address is specified, 
the status of that MegaPower CPU is shown. If no 
MPCPU A or B IP address is specified, the status of 
the Edit => Preferences default IP address is shown 
as MPCPU A. 

Click on the Status – Passive Hot Switch Status link 
in the Explore menu to begin. The following screen 
appears (Figure 56). 

 

The Passive Hot Switch Status screen provides the 
following information: 

•  MPCPU – Shows the names of the MegaPower 

CPUs. 

•  Site # – Site number assigned to the MegaPower 

CPUs. The site number is configured in the 
System – Options dialog box. Range: 0-30. 

•  Site Name – Site name assigned to the 

MegaPower CPU. The site name is configured in 
the System – Options dialog box. 

•  DHCP Host Name – MegaPower CPU Host 

name for DHCP IP communications. 

•  IP Address – Ethernet communications IP 

address. 

•  MAC Address – MAC Address of the 

MegaPower CPU Ethernet interface. 

•  Selected Status: 

−  Selected – indicates actively driving the AD 

Data Lines and the RS-232 port transmitters. 

−  Backup – indicates standby MegaPower CPU 

is in the dual hot switch system. 

•  Port Range: 

−  High 17–32 – MegaPower CPU rear slide 

switch is up selecting com ports 17-32 & 
ADDL 3-4. 

−  Low 1–16 – MegaPower CPU rear slide switch 

is down selecting com ports 1-16 & ADDL 1-2. 

•  Firmware Version – Displays the MegaPower 

CPU firmware version number. 

•  Last Selected: 

−  Yes – MegaPower CPU was switched to 

Selected by pushing recessed button on unit. 

−  No – MegaPower CPU was not the last unit set 

to Selected status. 

•  Mating CPU Port Range: 

−  High 17–32 – MegaPower CPU rear slide 

switch is up selecting com ports 17-32 & 
ADDL 3-4. 

−  Low 1–16 – MegaPower CPU rear slide switch 

is down selecting com ports 1-16 & ADDL 1-2. 

•  Mating CPU Status: 

−  Good – Mating MegaPower CPU operational 

with heartbeat. 

−  Bad – Mating MegaPower CPU has faults. 

−  None – MegaPower CPU ribbon cable 

connected to itself. 

−  Open – MegaPower CPU ribbon cable not 

connected. 

−  Off – Mating MegaPower CPU not 

communicating. 

•  Mating CPU IP Address – Ethernet 

communications IP address of a paired unit in hot 
switch configuration. 

•  Alarm Relay: 

−  Normal – Relay center pin connected to NC 

(normally closed) pin. 

−  Active – Relay center pin connected to NO 

(normally open) pin. 

You can view the status of the Error Log by selecting 
on the Error Log Status screen. The information is for 
reference only and cannot be edited. 

Click on the Status – Error Log Status link in the 
Explore menu to begin. The following screen 
appears.