NEC DS1000, Рабочая тетрадь для заочного курса

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DS1000/2000 Correspondence Course
DS2000 System Installation
88
◆
DS1000/2000 Workbook NEC America
❏
Install any additional 16DSTU PCBs
as required.
The 16DSTU provides connection for 16
digital telephones.
●
The first slot must be occupied by
a 16DSTU PCB.
●
No programming required to
install the card, but extensions
needs to be identified by circuit
type in Program 1801 - Extension
Port Description.
To install the 16DSTU PCB:
1. Plug in additional 16DSTU PCBs as
required. See System Configuration on page 19 for more information.
2. Set the mode switch on each installed 16DSTU to RUN.
❏
Install the 4ASTU or 8ASTU PCBs as
required.
The 4ASTU PCB provides connection
for 4 analog extensions. The 8ASTU
PCB provides connection for 8 analog
extensions.
●
No programming required to
install the card, but extensions
needs to be identified by circuit
type in Program 1801 - Extension
Port Description.
1. Plug the ASTU PCB as required for
your system configuration.
In U-Slot systems, see System
Configuration on page 19 for more information
An 8ASTU PCB provides analog extensions 316-323. A 4ASTU
PCB provides extensions 316-319.
2. Set the mode switch on the ASTU to RUN.
80
00
0 -
3
1
4-Slot Cabinet Shown
8000
0 - 3
1A
4-Slot Cabinet Shown