Nortel Networks 553-3001-211 manual Testing, Display History, Clear Error

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:

	LTI T1 Interface History Performance Log
		3/03/95		1:35
Hour	Errore	Bursty	Unavaila		Loss	Frame	Error
	d		ble		Frame	Slip
Endin	Second	Second	Seconds		Seconds	Seconds	Counte
g	s	s					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

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 page 230 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):

Circuit Card Description and Installation