Install and Administer Trunks
Add DS1 Tie and OPS Trunks
SI Installation and Upgrades 671
June 2004
The TN722B DS1 Tie Trunk, TN767C (or later) DS1 Interface, and TN464GP or later DS1 Interface
circuit packs provide connections to a 1.544 Mbps or 2.08 Mbps DS1 facility as 24 independent 64-kbps
trunks.
Adding DS1 tie-trunk service may require a service interruption; notify the customer in advance as to
when the addition will be carried out.
Task List: Adding DS1 Tie and OPS Trunks
1 Upgrading from a TN722 to a TN767C on page 671
2 Disable Scheduled Maintenance and Alarm Origination to INADS (DS1 Tie and OPS Trunks) on
page 672
3 Save Translations (DS1 Tie and OPS Trunks) on page 672
4 Shut Down DEFINITY LAN Gateway System (DS1 Tie and OPS Trunks) on page 672
5 Shut Down DEFINITY AUDIX System (DS1 Tie and OPS Trunks) on page 673
6 Power Down System (DS1 Tie and OPS Trunks) on page 673
7 Add Circuit Packs (DS1 Tie and OPS Trunks) on page 674
8 Power Up System (DS1 Tie and OPS Trunks) on page 674
9 Enter Added Translations (DS1 Tie and OPS Trunks) on page 674
10 Save Translations (DS1 Tie and OPS Trunks) on page 674
11 Resolve Alarms (DS1 Tie and OPS Trunks) on page 675
12 Deliver or Install License file (DS1 Tie and OPS Trunks) on page 675
13 Adding TTC Japanese 2-Mbit Trunks on page 677
Return to Task List
Upgrading from a TN722 to a TN767C
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1 Remove all TN722 trunk members from affected trunk groups.
2 Type remove ds1 UUCSS (the slot containing the TN722).
3 Remove the TN722 circuit pack.
4 Put the TN767C circuit pack into the same slot.
5 Wait until the red LED goes off. The hardware tests take 12 to 20 seconds to run. When the red
LED goes off, the tests have completed.
6 If the red LED stays on, reseat the board and repeat this step.
7 Type add ds1 PCSS.
8 Continue with appropriate procedures to set up members of trunk groups.
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