Table: Main Components; D20Eme Leds; Memory Expansion Card - GE D20 Installation And Operation Manual

D20/D200
Installation and Operations Guide
Connections and Configuration
Table: Main This table identifies some of the D20EME main board's important components.
Components
Component
BT1, BT2
D11-A
D11-B
D12-A
D12-B

D20EME LEDs

For LED operation See "D20EME LEDs", page 116.
The Memory Expansion card has no user-configurable options.
Memory
Expansion
Card
80
, continued
Name
JP5 Battery
disconnect jumper
Lithium batteries
J1, J2 Connectors
P4 Connector
BATT 1 LED
BATT 2 LED
POWER LED
ACCESS LED
994-0078-2.00-7
Function
Removable jumper when storing board for
extended periods.
Maintain NVRAM in the event of a power
failure.
To connect the optional memory expansion
daughter board.
Power and communication link to MIC.
Lights when battery voltage drops below 3
Volts. Replace battery immediately.
+5 Volts power is available.
Indicates D20EME is being accessed from
VME bus.
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