Video Systems - AT&T MERLIN LEGEND Release 3.1 System Planning Manual

Assigning Extension Jacks
Users access the computer by placing a data call to the extension number for
either an ISDN terminal adapter or modem (or DHG) depending on the user's
type of data station that is assigned for communication with the local host
computer.
Planning Form Instructions
Record the extension jack assignments for access to a workstation on a LAN on
Form 2a, System Numbering: Extension Jacks:
1. For each digital extension jack used to connect an ISDN terminal
adapter:
a. In the Jack Type column, make sure there is a D next to the number
for each digital extension.
b. In the Person Location, or Function column, write
Adapter-LAN
2. For each basic telephone extension jack you plan to use to connect a
modem:
a. In the Jack Type column, make sure there is a B next to the number
for each basic telephone extension jack used to connect a modem.
b. In the Person, Location or Function column, write

Video Systems

Video systems may connect to an MLX port on the MERLIN LEGEND system
either directly through a BRI interface, or by way of a v.35 interface and an ISDN
terminal adapter.
Assign each video system that is connected directly to the MLX port, or
connected to an ISDN terminal adapter that supports 2B Data, to one digital
jack configured as a 2B Data port on an 008 MLX or 408 GS/LS-MLX module.
Assign each video system that is connected to an MLX port by way of an ISDN
terminal adapter that does not support 2B Data to two separate digital jacks
configured as 1B Data ports on an 008 MLX or 408 GS/LS-MLX module.
Planning Form Instructions
Record the extension jack assignments for video systems on Form 2a, System
Numbering: Extension Jacks:
1. In the Jack Type column, make sure there is a D next to the number for
each digital extension.
2. In the Person, Location, or Function column, enter the type of equipment
connected. Also make a note to indicate whether a passive bus MLX
telephone is connected if applicable.
.
Terminal
modem-LAN .
Data Communications
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