American Dynamics 3200 Installation And Service Manual page 5

Indicators, Settings, and Connections
1
Front
2
Front Panel (left to right)
1 Heart Beat Upon power up or reset, blinks once for
ROM and RAM test completion (stays lit
and operation halts if either test fails).
Otherwise, blinks steadily to show
processor is operating.
2 Broken Heart Blinks once upon power up or reset. Then
only blinks when a fault occurs (along with
a beep). An error code displayed by the
Message Center indicates the fault.
3 Message Displays MPCPU error codes and the
Center following symbols:
FULL BEATING HEART = MPU is
communicating
• BROKEN HEART = MPU not
communicating
• NONE = no MPU in a hot switch setup
is communicating.
• UP arrow = the selected unit in a hot
switch set up.
• DOWN arrow = the backup unit, if used.
• CLEAR circle = normal operation.
• DARK circle = a fault in the MPCPU.
• CIRCULAR arrow = MPCPU with
ribbon cable connected to itself.
• OPPOSING arrows = two MPCPUs hot
switched together.
• NONE = CPUs are not communicating.
• Rx/Tx levels (show data activity). Bars
= maximum levels reached.
Rx Tx
MEGAPOWER CPU
INSTALLATION AND SERVICE GUIDE
MPU Module
5
Rx Tx
3 4
or or NONE
or
or
or or NONE
Port Module
6 7
4 Network
Indicators
5
Power Reset
Switch
6
RS-232
COM Port
Module
Select
7
8
RS-232
COM Port
Activity
9
Data Line
Activity
3 of 30
8
Indicates activity on the network.
• GREEN solid (Ethernet connectivity) or
flashing (Ethernet activity)
• AMBER ON (Ethernet 100Base-T) or
OFF (Ethernet 10Base-T)
Recessed button is used to reset the
MPCPU. Use a paper clip to press.
LEDs blink to show the COM ports
selected by a slide switch on the rear
panel: 1–16 or 17–32.
Note: If two units are hot switched
together, do not set both to the same
COM ports.
Recessed button is used to select the
CPU that drives a dual unit hot switch
setup.
The message center displays the up
arrow to indicate the selected CPU.
LEDs show activity of COM ports 1–16 or
COM ports 17–32.
Indicates data sent on the AD data lines
selected by a slide switch on the rear
panel: AD1–2 or AD3–4.
9
8200-0421-01, REV. D