C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
For more information, refer to the MX2820 Manual (P/N 61186003L1-1) available online at www.adtran.com.
MX2820 SCU
P/N 1186003L2
CLEI: M3C3S4OA_ _
MX2820 System Controller Unit
C
R
A
F
T
1186003
SCU
ACO
ALM
ACT
INSTALLATION AND TURNUP
After unpacking the unit, inspect it for damage. If damage is found, file a claim with
the carrier and then contact ADTRAN Customer Service.
This module occupies the SCU slot in the MX2820 chassis.
Pull the ejector tab into the down position and gently but firmly push the SCU into
the SCU slot. Simultaneous thumb pressure at the top and at the bottom of the unit
will ensure a good seat of the SCU into the backplane connector. Push the ejector tab
up and closed against the front panel. Upon installation, the SCU will begin a self-
test. This is followed with the LEDs reflecting the true state of the hardware.
OPERATIONAL SPECIFICATIONS
Operates from A or B input voltage power feeds.
♦–48 VDC Systems: –42 VDC to –56 VDC
♦–24 VDC Systems: –22 VDC to –27 VDC
♦+24 VDC Systems: +22 VDC to +27 VDC
Operates over extended temperature range:
♦–40ºC to +50ºC without fans,
♦–40ºC to +65ºC with fans.
Storage –40ºC to +85ºC. Relative humidity to 95 percent, noncondensing.
SECURITY ADMINISTRATION
The MX2820 SCU provides a security account management system that allows a
user with “Admin” access privileges to view which users are currently logged on to
the system; edit, create, disable, and restore default settings to the user accounts; and
adjust security settings. A RADIUS client is included that allows remote
authentication of user sessions.
Default Username Default Password Access Rights
ADTRAN PASSWORD Admin
ADMIN PASSWORD Admin
TEST PASSWORD Test
READWRITE PASSWORD Read/Write
READONLY PASSWORD Read
Security Option Type Description
Enable SNMP Security Account
Access
Yes/No Allows accounts to be modified with
SNMP
Lock-Out User on Login Failure Yes/No Lock-Out user when login failures
exceed defined number
Case Sensitive Password/User-ID Yes/No Passwords and user-ID’s case sensitive
Null Password Accepted Yes/No Null passwords will be accepted
Number of Login Failure Before
Lock-Out
Enumerated Enter number of login failures allowed
before lock-out
Lock-Out Duration in Seconds Enumerated Enter time in seconds that a user is
locked-out
FRONT PANEL LEDS
ACT !Green..................Normal (all OK)
!/!Green/Amber .....Normal (all OK)
(alternating)
!Red.....................Self-test failed
!Amber ................Software update in progress
!/!Red/Amber.........Self-test failed and console open
(alternating)
4Red Flashing......SCU module has failed
ALM !Green..................No critical, major, or minor alarms
!Red.....................Major or minor alarm in progress
4Red Flashing ......Critical alarm in progress
!Amber ................Major or minor alarm was highest priority alarm
...........................suppressed by ACO
4Amber Flashing .Critical alarm was highest priority alarm
...........................suppressed by ACO
DESCRIPTION
The MX2820 SCU is a plug-in unit for the MX2820 chassis that acts as an interface
between the user and the modules in the MX2820 system. The MX2820 SCU also
allows provisioning of IP, security, and craft port settings via a front panel craft
interface (DB-9 connector).
RS-232 DB-9 CONNECTOR
♦Used to provision the MX2820 via VT100 terminal or VT100 terminal emulation
software such as HyperTerminal or ProComm Plus.
♦Provision terminal port as follows:
♦Data Rate – 9600 bps
♦Asynchronous Data Format – Eight data bits, no parity (none), one stop bit, and
no flow control
♦The default username and password are ADMIN and PASSWORD in all caps.
COMPLIANCE
♦The MX2820 SCU complies with UL 60950, NEBS Level 3, and GR-1089-CORE.
♦The MX2820 SCU is intended for installation in restricted access areas only.
♦The MX2820 SCU is intended for installation in a Type “B” or “E” enclosure.
This device complies with Part 15 of the FCC rules. Operation is subject to the
following two conditions: This device may not cause harmful interference, and this
device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by ADTRAN could void the user’s
authority to operate this equipment.
Code Input Output
Power Code A –
Telecommunication Code (TC) – X
Installation Code (IC) F C
61186003L2-22C
0503
