Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario

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 NT5D11 and NT5D14 Lineside T1 Interface cards
 Page 229 of 894
Display History
Enter the Display History (D H) command set to display performance 
counters for each hour for the past 24 hours. A screen similar to the following 
will appear:
Use the pause command to display a full screen at a time by entering D H P.
Clear Error
Reset the error counter to zero by entering the Clear Error (C E) command set. 
The error counter provides a convenient way to determine if the T1 link is 
performing without errors since it can be cleared and examined at any time.
Testing
The Test Carrier (T C) command set enables tests to be run on the lineside T1 
card, the T1 link, or the CPE device. These three tests provide the capability 
to isolate faulty conditions in any one of these three sources. See Table 86 on 
 for additional information on these three test types.
After entering the T C command set, select which test to start. The prompt 
appears, similar to the following:
Test 1: Local Loopback Test
Test 2: External Loopback Test 
Test 3: Network Loopback Test
(1,2,3 or S to cancel):
LTI T1 Interface History Performance Log
 3/03/95 1:35
Hour
Errore
d
Bursty
Unavaila
ble
Loss 
Frame
Frame 
Slip
Error
Endin
g
Second
s
Second
s
Seconds
Seconds
Seconds
Counte
r
20:00
139
0
129
139
23
162
19:00
0
0
0
0
0
0
18:00
0
0
0
0
0
0
17:00
0
0
0
0
0
0
16:00
0
0
0
0
0
0