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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Administering ATM-PNC and ATM-CES
5-9Administering DEFINITY ECS
5
The D channel must be in a port between
009 and 032.
Type
display signaling-group
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
up to 248 ports for trunking.
A circuit pack has 256 ports, but ports 1
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
group (B channel)
Signaling groups per
TN2305/TN2306 (D-channel)
Total ports
used
1
1. The circuit pack provides 256 ports, but ports 1 through 8 are reserved for future use.
T1:
23
E1
: 30
8
8
192
248
Table 5-5. ATM-CES administration rules — Continued
Rule How to administer or confirm
Continued on next page