7.TIME SLOT ALLOCATION

One time slot of the last 24 time slots provided by the DAIA-DAIB connection is used for the control signaling channels. Figure 2-3shows an example of time slot allocation when mounting 8 port cards to the Small Platform PIM.

(1) When using 1 DAIA card and 1 DAIB card

Remote Site

Highway Channel

23 time slots for Line/Trunks

1time slot for control signaling

channel Note

LT00

LT01

LT02

LT03

LT04

LT05

LT06

LT07

LT08

LT09

LT10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00-23

DAIB

DAIA

Main Site

TDSW

(2) When using 1 DAIA card, 1 DAIB card, and 2 DAIC cards.

Remote Site

Highway Channel

24 time slots for Line/Trunks

 

LT00

LT01

LT02

 

 

LT03

LT04

LT05

LT06

LT07

LT08

LT09

LT10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00-23

 

 

 

24-47

 

 

 

 

23 time slots for Line/Trunks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAIC

 

 

 

DAIB

 

 

 

 

 

 

 

 

 

 

 

 

1time slot for control signaling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

channel

Note

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Max. 47 time slots for Line/Trunks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

per Remote Site

DAIC

DAIA

Main Site

TDSW

Note: The control signalling channel is set by SW2 of DAIA/DAIB. Refer to Chapter 3 sections 2.1.1 and 2.2.1 for the switch settings.

Figure 2-3 Time Slot Allocation

CHAPTER 2

ND-46550 (E)

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Revision 2.0

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NEC 151944 system manual Time Slot Allocation