Lucent Technologies Comcode 108678723 manual Installing the splitter through an Icsu

DEFINITY ECS Release 8.2 ATM Installation,	Issue 1
Upgrades, and Administration 555-233-124	April 2000
3 Installing a DEFINITY ECS ATM-PNC
Synchronization Installation and Testing	3-21

Connected through an ICSU. Use the procedures in Table 3-9 to install the splitter between an ICSU and a DS1 circuit pack.

Table 3-9. Installing the splitter through an ICSU

√	Step	Action	Command	Description
	1.	Disable	disable	Prevent the system from switching synchronization
		synchronization	synchronization	sources.
		switch	-switch
	2.	Busyout DS1	busyout board	Busyout the designated DS1circuit pack.
		circuit pack	UUCSS
	3.	Remove cable		Remove the existing H600-307 cable from the backplane
		from DS1 circuit		slot corresponding to the designated DS1 circuit pack.
		pack
	4.	Remove ICSU		Remove the ICSU from the designated DS1 circuit pack’s
				amphenol connector.
				Re-use the existing cable attached to the ICSU.
	5.	Attach splitter		Plug the splitter into the same connector just vacated by
				the ICSU.
	6.	Attach ICSU		Plug the ICSU into the connector on the splitter.
	7.	Reconnect		Connect the H600-307 cable to the amphenol connector
		cable		on the ICSU.
	8.	Check		Check that all Amphenol connections are good.
		connections
	9.	Secure splitter		Secure the splitter to the carrier using the 4C retainer from
				the ICSU.
	10.	Secure ICSU		Secure the ICSU to the splitter with a long cable tie.
	11.	Terminate the		Insert a modular RJ45 plug in both ports J1 and J2. Do not
		splitter ports J1		connect port J1 to port J2, but leave the other end of both
		and J2		cords free. The modular RJ45 plug acts as an opening
				plug and removes the 100-Ωtermination from port J1 and
				J2 on the splitter.
	12.	Check DS1		After about 20 seconds the LEDs on the DS1 circuit pack
		Status 3 LED		should go out, leaving only the GREEN STATUS 3 LED on.
	13.	Test the DS1	test board	Test the circuit pack.
		circuit pack	UUCSS	If any one of Tests 138 - 145 fails, follow the repair
				procedures listed in DEFINITY ECS Maintenance for R8r
	14.	Clear the error	clear	Clear the error events counter.
		events counters	measurements
			ds1
			esf-error-events
			UUCSS