SCS100/200/400 User Guide 3: The SCS200
LEDs
LEDs indicate serial port and PC card activity. The SCS200 has five LEDs on the top of
the unit. A red LED during boot mode typically signals an error, but red LED patterns
during normal operations do not signal an error. Refer to the following tables for an
understanding of LED functions:
SCS200 Serial and Network LED Functions
LED Function
Serial Blinks green to indicate serial activity.
OK
Blinks green, or yellow to indicate network activity.
Green: Flashes every two seconds when booted.
Red: Indicates incoming network traffic.
Yellow: Indicates outgoing network traffic.
100 Glows green to indicate a 100 Mb Ethernet connection.
Link
Glows green while the SCS is connected to a wired 10BASE-T or 100BASE-T Ethernet
network.
The PC Card LED varies in meaning depending on what kind of card is currently
installed.
SCS 200 PC Card LED Functions
LED 802.11 Cards ATA Cards Modem Cards
Not lit No card in slot No card inserted No card inserted
Green solid Ready Ready Ready
Green
blinking
Negotiating settings with AP or ad-hoc peer PC card not formatted n/a
Red solid PC card failure PC card failure PC card failure
Red blinking PC card not read or supported
PC card not read or
supported
PC card not read or
supported
Yellow solid Initialization in progress
Initialization in
progress
Initialization in progress
Yellow
blinking
Scanning for Access Point (AP) or ad-hoc peer n/a Initialization problem
3-3
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