Specifications

3-32 Reference Guide
Model No.
Running Head
Automatic Time Slot Assignment System Configuration and Operation
1. Reserve three vacant adjacent user card slots in the system chassis for T1 operation, or
four vacant adjacent user card slots for E1 operation. These slots must have voice cards.
2. Set the MODE of the desired WAN port to
term
.
3. Make sure all voice cards you intend to configure are of the same type.
4. Place the cursor on the first user card slot that will have a card. In Figure 3-19, slots U5
through U8 will be assigned to 30 time slots on the E1 WAN port.
5. Press “
c”
to begin the configuration process.
6. Select the type of voice card from the types listed above the bottom line of the screen,
as shown in Figure 3-19. In that screen,
e&m-6
is chosen as the card type (E&M, 600
ohms).
7. Select the WAN port to which you want to assign the voice cards (W1-1 or W1-2), as
shown in Figure 3-20.
8. The system automatically builds the necessary time slot structure. Since the user slots
are vacant, the system will register Out Of Service (OOS) alarms for each of the four
cards, as shown in Figure 3-21.
9. Insert the four voice cards into the chassis, to clear the OOS alarms.
Figure 3-19 shows the WAN Cross-Connect Screen with the correctly assigned time slots.