Lucent Technologies Comcode 108678723 manual Through 145. If these tests pass and this is

DEFINITY ECS Release 8.2 ATM Installation,	Issue 1
Upgrades, and Administration 555-233-124	April 2000

3Installing a DEFINITY ECS ATM-PNC

	Synchronization Installation and Testing			3-27
Table 3-13. Splitter installation to DS1 —
√	Step	Action	Command	Description
	11.	Check for CSU		Verify that no alarms are against the CSU (the
		alarms		OK, SIG, SIG LEDs are lit).
	12.	Test the circuit	test board	Verify that the DS1 circuit pack passes Tests
		pack	UUCSS	138 through 145. If these tests pass and this is
				a new installation, go to Step 14.
				If any one of Test 138 through 145 fails, follow
				the repair procedures listed in DEFINITY ECS
				Maintenance for R8r.
				After clearing all errors, retest the circuit pack.
	13.	Run error	list	Wait 15 minutes. Check the error report and
		report	measurements	verify that the DS1 circuit pack is free of any
			ds1 summary	errors.
			UUCSS	To interpret the periodic list measurements
				report.
	14.	DTE and RLB		Perform both DTE and RLB loopback test at the
		loopback tests		316X CSU or DSU/CSU to verify that the DS1
		(new		board can successfully transmit and receive a
		installations)		DS1 signal through the splitter to the 316X and
				back to the DS1 board.

Go to the ‘‘DTE loopback procedure’’ on page 3-27 and ‘‘RLB loopback procedure’’ on page 3-28

DTE loopback procedure. To start the Data Terminal Equipment (DTE) loopback at the 316X CSU or DSU/CSU, use the procedures in Table 3-14.

Table 3-14. DTE loopback testing for the 316X DSU/CSU

√	Step	Action	Command	Description
	1.	Begin the		Press the double-up arrow button.
		loopback test
	2.	Go through the		Press the button under “Test.”
		readout steps
	3.	Continue		Press the button under “Lpbk.”