Quick Start Technical Support (800) 726-8663 61200334L1-13B
October 2001
Copyright © 2001 ADTRAN All rights reserved
SCU
ACO
C
R
A
F
T
ACO
1200334L1
ONLINE
ACTIVE
LINK
ALARM
FACEPLATE LEDS
ONLINE LED Description
Off Blown fuse
Green Online
Blinking Green Offline
Red Card failure
Blinking Red Self-test failure
Amber Self-test in progress
Blinking Amber Module update in progress
ACTIVE LED Description
Green Active SCU
Blinking Green Standby SCU - redundancy enabled
Blinking Red Standby SCU - cannot automatically become
the active SCU while the current active SCU is
installed
LINK LED Description
Off Ethernet link not detected
Green Ethernet link detected
ALARM LED Description
Off No system alarms active
Red System alarm(s) active
ACO LED Description
Off ACO switch/ACO external input has not been
asserted
Green ACO switch and/or ACO external input has
been asserted
INSTALLATION INFORMATION
• Insert the module into either the slot labeled SCU-A or
SCU-B.
• Connect a VT100 terminal configured for 9600 band (8N1) to
the female DB-9 craft port on the front of the SCU.
• After the SCU has booted, the LOGIN prompt will appear on
the VT100 terminal (if connected to the active SCU).
Otherwise, a message indicating connection to the Standby
SCU will be displayed if the VT100 terminal is so connected.
• Menu access to the Active SCU is also available through the
Admin port located on the backplane (J10).
• To configure the Ethernet port, use the arrow keys and Enter
key to navigate the following path:
SystemConfig/EthernetPort
SPECIFICATIONS
Menu Access VT100/Telnet
Ethernet 10/100 Base T
GR-303 Switch
Types
Lucent and Nortel
Compliance FCC Part 15, UL 60950, NEBS Level 3
Temperature Operation: 0°C to 50°C
Storage: –40°C to 70°C
Relative Humidity To 95% noncondensing
Power 18 watts
Warranty 10 years
TOTAL ACCESS
®
4303 SYSTEM CONTROLLER UNIT (SCU)
CLEI: SLC1LSZE_ _