NEC DS1000 Correspondence Course Workbook page 88

DS1000/2000 Correspondence Course
DS2000 System Installation
88 DS1000/2000 Workbook
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.
4-Slot Cabinet Shown
4-Slot Cabinet Shown
NEC America