Lucent Technologies Release 7 User Manual

Issue 4

June 1999

Maintenance Object Repair Procedures 

9-1675

TBRI-PT (TN2185 ISDN Trunk-Side BRI Port) 

TE

Terminal Equipment

U 

Basic Rate network-side 2-wire line interface.

1

TN556B ISDN-BRI 4-Wire S/T-NT Line (A-law)

2

TN 2185 ISDN-BRI 4-Wire S Interface (Trunk Side)

3

TN2198 ISDN-BRI 2-Wire U Interface

4

TN2198 ISDN-BRI 2-Wire U Interface

5

TN 2185 ISDN-BRI 4-Wire S Interface (Trunk Side)

1.

Network Termination 2 (NT2), that terminates Layer 1 and higher layers. PBXs, 
LANs, and terminal controllers typically provide NT2 functionality including 
protocol handling and multiplexing for Layers 2 and 3.

2.

Network Termination 1 (NT1), that terminates Layer 1 and monitors 
maintenance, performance, timing, power transfer, multiplexing, and multi-drop 
termination with contention resolution.

0

1

0

Any

Any

Any

test Port UCSSPP sh r 1

1 (a)

Level 1 Status Test 
(#1242)

MINOR

OFF

129

2

257(b)

 

513 (c)

46222

XMIT FIFO 
Overflow

MINOR

ON

514 (d)

XMIT FIFO 
Overflow (TDM)

MINOR

ON

769 (e)

Traffic 
Hyperactivity

MINOR OFF

1025 (f)

1281 (g)

NPE Crosstalk Test 
(#617)

MINOR

ON

1537 (h)

46210

CRC error 
(D-Channel)

MINOR

OFF

1538 (i)

CRC error (TDM 
D-Channel)

MINOR

OFF