AT&T MERLIN LEGEND Data Manual page 58

Planning
3-14
Assigning Lines to Data Stations
On digital stations, the personal line can be used to make and receive
outside data calls. For an outgoing call, dial the trunk number (801-880) to
select the trunk.
To allow the user at a digital station access to the digital network for making
and receiving calls to outside digital stations, assign ISDN-PRI trunks as
personal lines. If ISDN-PRI trunks are not available, the digital data station
user can make calls over the regular analog telephone network only by using
a digital-to-analog modem pool.
Notes:
You must use ISDN-PRI facilities with Accunet Switched Digital Data
service for digital stations.
ISDN-PRI trunks can also be used for analog data and voice calls and
can be assigned to telephones to allow the voice user to make and
receive voice calls using these types of facilities.
Pool— used when you want the data station to make and receive outside
data calls on a specific trunk pool (for example, a pool with ISDN-PRI
channels) without dialing a dial-out code. The Pool button is used to make
and receive only outside calls. To make an outside call, the data station user
selects the pool button and dials the telephone number.
Note: Do not assign System Access Voice buttons for data stations.
The following line button assignments are factory set for Hybrid/PBX mode and
are prerecorded on the "Button Diagram" on Data Forms 2a and 2b:
One System Access Originate Only button and two System Access Ring
buttons are assigned to all analog data equipment connected to a 012 or
008 OPT module.
One System Access Originate Only button and one System Access Ring
button is assigned to all data equipment connected to a digital station jack
on a 008 MLX module.
The factory settings can be changed; however, the settings should be adequate
to meet most user needs since System Access lines can be used to make both
inside and outside data calls. Each data station must have at least one System
Access button.
If you want a data station (digital only) to make and receive outside data calls on
a specific outside trunk, assign a Personal Line button. If you want the data
station to make and receive outside calls on a specific trunk pool, assign a Pool
button.
To allow users outside the system access to the modem pool, assign outside
trunks to the data hunt group that is assigned to the modem pool (you will
assign trunks to modem pools later). If a data hunt group is not assigned to the
modem pool, you must assign personal lines or pods to the modem for analog-
to-digital modem pools or to the ISDN 7500B Data Module for digital-to-analog
modem pools.