Lucent Technologies Comcode 108678723 manual See ‘‘DEFINITY ECS configurations’’ on page 1-6 for

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

3Installing a DEFINITY ECS ATM-PNC

Equipment Installation 3-2

Slot restrictions for an ATM interface circuit packs are similar to expansion interface circuit packs:

■PPN: ATM interface circuit packs used for ATM-PNC must occupy the slots labeled EXPANSION INTERFACE.

■EPNs: ATM interface circuit packs used for ATM-PNC can occupy slot 1 (and 2 if duplicated) on carrier A, and slot 2 (and 3 if duplicated) on carrier

B

Follow the steps in Table 3-1 to ensure that

■the applicable equipment is installed correctly.

■the customer’s configuration is properly recorded (use worksheet in Appendix A, ‘‘Baselining the Customer’s Configuration)’’.

Table 3-1. General installation process

√	Step	Action	Description
	1.	Install DEFINITY ECS	Refer to the appropriate installation book
		switch	See ‘‘DEFINITY ECS configurations’’ on page 1-6for
			connection schematics.
	2.	Install ATM switch(es)	Refer to your ATM switch’s quick reference guide.
		or access
		concentrators

3.Check the distances from the ATM switch to the DS1 timing source

Use the information in Table 3-3 to determine the maximum cable run lengths for the configuration for more information.

4.	Install ATM interface	Insert the TN2305/TN2306 circuit pack(s) into the
	circuit pack	appropriate slot(s).
5.	Route the fiber optic	Follow the fiber pass-through procedure in the appropriate
	cables between the	installation book.
	ATM switch and the
	DEFINITY PPN and	! WARNING:
	EPNs.
			Be sure that the fiber optic cable is secured so that
			the door of the DEFINITY ECS switch does not pinch
			or bend the cable.
6.	Connect the fiber	Connect the fiber optic cables to the ATM switch.
	optic cables
			NOTE:

If the installation uses the customer’s existing fiber, you may need an ST-to-SC adapter (1 included in Fiber Pass-Through Kit).