Lucent Technologies Comcode 108678723 manual Type display signaling-group, 192 248

DEFINITY ECS Release 8.2 ATM Installation,			Issue 1
Upgrades, and Administration 555-233-124			April 2000
5 Administering ATM-PNC and ATM-CES
		Administering DEFINITY ECS	5-9
	Table 5-5. ATM-CES administration rules —
		Rule	How to administer or confirm
		The D channel must be in a port between	Type display signaling-group
		009 and 032.	siggrpnbr and press Enter; go to screen 2
			to verify.
			The D channel is automatically populated
			in channel 24 (T1) or in channel 16 (E1).
		The TN2305/TN2306 circuit packs provide	A circuit pack has 256 ports, but ports 1
		up to 248 ports for trunking.	through 8 are reserved for future use. Of
			the 248 available ports, 8 are for
			D-channels, and 240 are for B-channels.
			See Table 5-6 and Table 5-7 for details
			about port and trunk group capacities for
			the TN2305/TN2306 circuit pack and the
			DEFINITY ECS switch.
		A trunk group may contain either ISDN
		trunks or ATM trunks, but not both

Table 5-6. TN2305/TN2306 CES trunk capacities

Bearer ports per signaling	Signaling groups per	Total ports
group (B channel)	TN2305/TN2306 (D-channel)	used 1
T1: 23	8	192
E1: 30	8	248

1. The circuit pack provides 256 ports, but ports 1 through 8 are reserved for future use.