3026 High Capacity Digital Hand-Off Service (Bell Atlantic Region Specific)

High Capacity Digital Hand-Off Service carries voice grade local exchange and
Channel Services between the customer's serving central office and the 
customer's compatible premises equipment using a DS1 facility with the D4
format.  Up to 24 local exchange voice and Channel Services can be supported
on the facility.  The facility is handed-off to the customer in the D4 format.

Generic Name of ONA Service
 	Product Name					BSE or CNS
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High Capacity Digital Hand-Off Service
	BA - High Capacity Digital Hand-Off Service 	BSE

FEATURE OPERATION:

At the time the service is ordered the customer must designate which services 
are to be carried on each of the 24 channels in the DS1 facility.  Future
additions and changes to channel assignments must be coordinated with the
Telephone Company.

Where the serving central office is a digital switch, the facility may run from
the customer's high capacity interface directly into the central office switch.
Only DID trunks may be carried over this directly connected facility.

TECHNOLOGICAL AND FEATURE INTERACTION CONSIDERATIONS:

1. The High Capacity Digital Hand-Off facility is a digital channel operating
   at a transmission speed of 1.544 Mbps.  It is a simultaneous two-way
   transmission media using serial, bipolar, return-to-zero, isochronous,
   alternating mark inversion format.

2. 1000 Channel metallic services and Digital Data Service may not be
   transported over these facilities.

3. Reference: Technical Publication TR 000054 at the Digital Signal-1 level,
   PUB 62411, PUB 43801.

This service is a BSE associated with the Dediated High Capacity Digital
(1.544 Mbps) Basic Serving Arrangement.
