3019 Switched 56 Kilobit Service (Bell Atlantic Region Specific)

Switched 56 Kilobit Service enables subscribers to transmit and receive data at
the rate of 56 kilobits per second.  Customers requiring InterLATA/Interstate 
transport can subscribe to an Interexchange Carrier that has Switched 56 Kilobit
Service connectivity.  The telephone company may offer Switched 56 Kilobit 
Access Service using Feature Group D arrangements.

Generic Name of ONA Service 	Product Name			BSE or CNS
============================================================================
Switched 56 Kilobit Service	BA - Switched 56 Kilobit Service	BSA

FEATURE OPERATION:
Customers establish calls by dialing 7 or 10 digits as they would for a POTS 
call.  Calls can only terminate to another Switched 56 line and cannot be used 
for normal voice communications.

TECHNOLOGICAL AND FEATURE INTERACTION CONSIDERATIONS:
1. This feature is available in the following central office switches:

Switch Type			1A ESS
Earliest Generic Release	1AE8

2. This service is offered from specially equipped 1A ESS switches 
   using facilities that are designed to accommodate 56 kilobits per second, 
   full duplex, synchronous transmission.  Remote access arrangements are
   available for customer locations not within the local wire center area
   of the specially equipped 1A ESS switches.

3. Subscriber loops from the local central office to customers' premises must 
   be 4-wire, non-loaded facilities that can be designed to meet the 
   specifications of Digital Data Service.

4. Interoffice facilities are specially equipped and are dedicated to the 
   transport of Switched 56 Kilobit Service traffic.  Access facilities are
   also specially equipped and dedicated to Switched 56 Kilobit Service.

5. Customers' CPE must be Accunet Compatible.

6. References:
   o TR-NPL-000334 and Revision 1, Voice Grade Switched Access Service.
   o Publication 62310 Digital Data System Channel Interface Specifications.
