NEC Aspila Topaz Programming Manual page 18

Introduction to Programming
Before You Start Programming
3. Concept of Slot Number
Slot Number will be fixed as followings and EXIFU Slots has no slot number.
4. Concept of Trunk/Extension Port
The system decides the regulation of software port calculation as below;
- 308M/308ME Unit = Up to 3 Trunk Ports and 8 Extension Ports
- 008E Unit = Up to 8 Extension Ports
5. Port Calculation for Trunk and/or Extension
In case the Trunk and/or Extension Interface Card (308M,308ME or 008) is Installed to a slot, the
system will automatically be detected the type of Interface card, then assign the Trunk port and/or
Extension port to a slot.
6. Port Calculation for ISDN BRI
The 4BRIU card supports for both T-Bus connection and S-bus connection.
Example) Port Calculation
Slot No.
Slot1
Slot2
Slot3
Slot4
Slot5
Slot6
Programming Manual
Unit Name Port Configuration
Trunk port 1-3
308M
Extension port 1-8
Trunk port 4-6
308ME
Extension port 9-16
008E Extension port 17-24
2PGDU
4BRIU(T/S) Trunk port 7-10
Circuit 1-2: T Extension port 25-28
Circuit 3-4: S
4BRI(T) Trunk port 11-18
Circuit 1-4: T
10