DUAL T1/E1 LIU
CLEI: VACJC90C _ _
DESCRIPTION
The T1/E1 LIU is a common module designed for use in the Total Access 1000 DSLAM.
The T1/E1 LIU features:
■ Provides up to two T1/E1 interfaces ■ Local, Payload, and Network loopbacks
■ SF and ESF data framing formats ■ FAS and FAS+CRC framing for E1
■ B8ZS line code format ■ HDB3 line code for E1
TURNUP STEPS
Unpack the Total Access 1000 T1/E1 LIU card and inspect for damage. If damage is
apparent, refer to your carrier or supplier for remedy.
Insert the T1/E1 LIU card into the Total Access 1000 slot marked LIU. To insert, hold
the LIU card by the front panel while supporting the bottom edge of the card. Align
the card edge with the guide groove in the Total Access 1000 chasis. Insert into
chassis until the edge card connector seats firmly into the chassis backplane. Lock
the unit in place by pushing in on the locking levers.
There are two LED indicators on the LIU front panel, one for each T1/E1 network
loop. They function as follows:
T1/E1 LIU LEDS
LOOP 1 - 2 ● RED Alarm present on loop
● YELLOW Loop in a test mode
● GREEN No alarm conditions
Connect VT100 compatible terminal to BCU front panel ADMIN port.
4a. Connect straight through DB-9 cable
4b. Run terminal emulation program
4c. If using Windows HyperTerminal, open by selecting
Programs/Accessories/Hyperterminal
NOTE: To ensure proper display background, select VT100 Terminal Emulation under
settings.
Proceed through menus to the T1/E1 LIU
5a. LOGIN (default login: ADMIN, PASSWORD)
5b. select Line Interface Unit (2)
5c. select Provisioning (2)
5d. select Loop to Provision (N/P)
5e. select Provisioning item (1-3)
NOTE: To traverse through the menus, select the desired entry and press Enter. To work
backward in the menu, press ESC (escape key).
Testing – to access the test menu for an access module, select test
(item 4 after 5b).
TESTING
■ Remote Line Loopback – T1/E1 data is looped back to the remote network with
framing and line coding unchanged.
■ Remote Payload Loopback – T1/E1 data is looped back toward remote network
with framing and line code regenerated by the LIU.
■ Local Network Loopback – Customer data is looped back from the LIU.
COMPLIANCE
This product is intended to be installed in a Total Access 1000 chassis providing a
Type “B” or “E” enclosure, with Restricted Access.
This device complies with Part 15 of the FCC rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and
(2) 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.
WARRANTY
ADTRAN will replace or repair this product within the warranty period if it does not
meet its published specifications or fails while in service. Warranty information can
be found at www.adtran.com/warranty. USA and Canadian customer Faxback:
(877) 457-5007, Document 414.
■ For a complete Installation and Maintenance Practice (P/N 61179010L1-5): (877) 457-5007, Faxback Document 893. Please have your fax number ready. ■
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OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.