ADC HDSL4 Bedienungsanleitung PDF herunterladen (Seite 28)

required test.

•

Actual pair loss for HDSL4 should not exceed -44 dB at 196 kHz using a 135 # termination for circuits not using a

regenerator or on the first link ( CO to regenerator) of a circuit using regeneration. Actual pair loss on the second

link ( regenerator to premise) should not exceed -41 dB at 196 kHz using a 135 # termination.

•

Sync light should be green for Adtran units. For ADC/Pairgain, reading should be between -64 to +64 for good

synchronization.

ATT Midwest Only: H4TU-C for Soneplex

There are currently 2 versions of the H4TU-C card used for Soneplex and these cards use different technology and

cannot be swapped out from first generation to second generation and vice versa without reprovisioning.

. When a card is pulled from a slot and replaced with a card of a different technology the first card must be de-

provisioned and the slot must be made unequipped before pulling the old card and replacing it with the new. The slot

with the new card must be set equipped at this time and the card also needs to be placed in-service and provisioned.

This same procedure needs to be applied when changing 1st generation H4TU-C cards with 2nd generation H4TU-C

cards and vice versa, even though the cards are seemingly the same technology.

Not following this procedure will cause a loss of communication to the card and will need a dispatch to the location of

the card with a customer release to take down the circuit to resolve the problem. Until the problem is corrected, the

SCU will see the slot as having a mismatch. Tech Support states if there are too many mismatches, communications

can be lost to the entire shelf.

•

T1L6CDLBAA and T1L4XNJCAA - First generation cards

•

T1L6CDFBAA Second generation card ( different technology from first generation cards)

After a card is replaced, technicians must log into the Soneplex shelf and check the equipment status of the card on

the Trouble Isolation screen located in the System Maintenance menu. If the status shows a Comm Failure there is a

problem and the card was most likely not provisioned when it was changed. A mismatch can also be checked on the

Configuration Validation screen located in the Unit Configuration menu. A mismatch will be indicated by "mis" in the

card field.

See Tech

http://tst.ameritech.com/tst_tsb/Tab06_digital_facilities(DS1_Hi-Cap)/TAB_06-67_Adtran%20H4TU-C%20Sone

Bulletinplex%20LEC.txt for additional information.

AT&T Practice ATT-TP-000-000-006

Issue 1, 08/25/06

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 37 38

Keine Kommentare

ADC HDSL4 Bedienungsanleitung Seite 28