Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Installation For Adjuncts And Peripherals Manual

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
119 Loopback Testing with a Smart Jack 
9
5. End  the test. Enter 
test DS1-loop 
location end cpe-loopback-jack-test
6. Wait ab out 30 sec ond s for the DS1 to reframe on the inc oming  sig nal and 
c lear DS1 fac ility alarms. Condition Solution
The value of the Bit-error count
 field  is 
g reater than 1Rep lac e the ICSU, and  retest.
The value of the Bit-error count
 field is...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
120 Loopback Testing with a Smart Jack 
9
Restoring DS1 administration
1. At the manag ement terminal, op en the DS1 ad ministration form. Enter 
change DS1 
UUCSS
where UU is the c abinet numb er, C is the  c arrier number, and  SS is the 
slot number of the DS1 b oard .
2. Chang e to p ag e 2 of the DS1 ad ministration form. 
3. Change the value of the TX LBO
 field  to the orig...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
121 Loopback Testing with a Smart Jack 
9
NOTE:
This test c annot isolate the p roblem if there are p roblems in 
the wiring  b etween the far-end CO and  the far-end  ICSU. You 
must c oord inate this test with the DS1 servic e p rovider. 
1. From the manag ement terminal,  enter 
test DS1-loop 
UUCSS far-csu-loopback-test-begin
 
where 
UU is the c abinet numb er,C is the...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
122 Loopback Testing with a Smart Jack 
9
Figure 35. Network Interface at Extended Demarcation Point (Smart Jack Inaccessible)1. Sp an sec tion 1
2. Sp an sec tion 2
3. Sp an sec tion 3
4. 120A2 (or later) ICSU
5. RJ-48 to network interfac e (up  to 1000 ft 
[305 m] )6. Loop b ac k jac k
7. Dumb  b loc k (extend ed  d emarc ation)
8. Network interfac e smart jac k
9. Interfac e...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
123 Loopback Testing Without a Smart Jack 
9
Figure 36. Network Interface at Extended Demarcation Point (Smart Jack Accessible)
Loopback Testing Without a Smart 
Jack
When the loop b ac k jac k is ad ded  to a span that d oes not c ontain a smart jac k, 
the sp an is d ivid ed  into 2 sec tions: from the ICSU to the loop b ac k jac k and  from 
the loop b ac k jac k to the c...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
124 Loopback Testing Without a Smart Jack 
9
Figure 37. Network Interface at “Dumb” Block1. Sp an sec tion 1
2. Sp an sec tion 2
3. 120A2 (or later) ICSU
4. RJ-48 to network interfac e (up to 1000 ft [ 305 m] )5. Loopback jack
6. Dumb b loc k (d emarc ation p oint)
7. Interfac e termination or fib er 
multiplexer (MUX)
8. Central office 

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
125 Loopback Testing Without a Smart Jack 
9
Figure 38. Network Interface at “Dumb” Block with Repeater Line to Fiber MUX
You are resp onsib le for find ing  and  c orrec ting  p rob lems in the c ustomer wiring  
(sec tion 1 and  the loop b ac k c ab le p ortion of sec tion 2). The DS1 servic e p rovid er 
is resp onsib le for find ing  and  c orrec ting  p rob lems in the...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
126 Loopback Testing Without a Smart Jack 
9
n
The far-end  ICSU’s line loop b ac k. Ac tivate this test at the 
manag ement terminal b y entering  test DS1-loop 
location far-csu-
loopback-test-begin
. Terminate this test b y entering  test DS1-loop 
location end-loopback/span-test
. Bit error c ounts are examined  
as desc rib ed  in the “ DS1 Sp an Test”  sec tion. This test...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
127 Loopback Testing Without a Smart Jack 
9
loop b ac k on the “ p rob lem”  DS1 fac ility, ac tivate it after a suc c essful 
loop b ac k jac k test, and  use it to isolate p rob lems to the wiring  b etween 
the loop b ac k jac k and the MUX.
2. Be aware that there are installations that use rep eatered  metallic  lines 
b etween the MUX and  the “ d umb ”  b loc k. These lines...

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals  555-233-116  Issue 1
April 2000
DS1/T1 CPE Loopback Jack 
128 Loopback Testing Without a Smart Jack 
9