5
DECserver 900GM Installation
Front Panel–DECserver 900GMx
1)
Power LED — Lights when the module has
power.
2)
Module OK LED — Lights when the
module passes self-test.
3)
Network OK LED — Lights when the module
has an active network connection.
4)
Network Activity LED — Indicates network
traffic level.
5) Seven-Segment Display — Provides error and
status information. For more information, see the
section titled Problem Solving Using the Seven Seg-
ment Display.
6) Flash RAM Slot — Provides an opening in which to
insert the Flash RAM card.
7) Address Label — Contains the module’s 48-bit
Ethernet Hardware Address.
8) Reset Switch — Resets the module to factory de-
faults. To reset: while turning on the power, press and
hold the reset switch until the Module OK LED
flashes, or if the DECserver 900GMx is in operational
mode (the seven-segment display shows the “race
track” pattern), hold the switch for 10 seconds. The
module reboots with factory defaults.
9) Bulk Connectors — Two 68-pin connectors, each
providing 4 full modem control ports or 8 partial mo-
dem control ports. When using all four connectors,
you can configure these cables to provide ports in the
following combinations:
Full
0
4
8
Partial
16
8
0
1
2
4
3
A
B
9-16
1-8
5
6
7
8
9
LKG-09727–94I
