Code of Maine Rules
65 - DEPARTMENT OF PUBLIC UTILITIES COMMISSION
625 - EMERGENCY SERVICES COMMUNICATIONS BUREAU
Chapter 2 - REQUIREMENTS FOR THE ENHANCED 9-1-1 SYSTEM SERVICE PROVIDER AND LOCAL EXCHANGE CARRIERS
Section 625-2-3 - CENTRAL OFFICE REQUIREMENTS

1. Host-remote central office technology shall not degrade E9-1-1 service.

2. In host-remote central office arrangements, LECs shall use emergency stand-alone technology, where technically feasible, and where the Bureau has provided an alternate routing number for the host-remote central office in question. When connectivity to the E9-1-1 network has been lost, LECs shall re-route 9-1-1 calls to the alternate number provided by the Bureau. The Bureau shall provide LECs with updated alternate routing numbers on an annual basis or as otherwise required.

1. All LECs shall provide notice to the Bureau of scheduled central office upgrades which may require any part of the 9-1-1 network to be out of service during the upgrade process, at least 10 days prior to the scheduled upgrade. Status of the upgrade shall be provided within one (1) hour of its completion.

2. E9-1-1 modifications in central offices shall be coordinated with general central office upgrades when practical, and where such coordination does not negatively affect E9-1-1 system implementation or operation.

3. When designing and scheduling central office upgrades, LECs shall take into consideration the following: