NEC 2400 ipx - page 29

CHAPTER 3 NDA-24318

Page 22

Issue 1

OFFICE DATA PROGRAMMING

2.3 Service Conditions

1. To send/receive speech and CCIS signals, each node will use an IPTRK circuit card. At this time, the

IPTRK circuit cards in the self-node and each of its connected node can be in either 1-to-1 ratio, or in 1-

to-n (n=2 or more) relations. This is referred to as Point-to-Multipoint connection.

2. A maximum number of two IPTRK circuit cards per UNIT are allowed. Accordingly, a total of 16 IPTRK

circuit cards can be accommodated per IMG.

3. Only voice and FAX (G3) information can be sent/received via the IPTRK circuit card.

4. An IPTRK circuit card assigned as CCH by the ACSC command is assumed as the D-channel controlling

card. The IPTRK circuit card is used as th e speech circuit c ard as well. It is not ne cessary t o assign the

trunk data for a time slot as a controlling cha nnel.

5. An IPTRK circuit card can control the B-channels of the same card and a maximum of seven other IPTRK

circuit cards. See the following figure.

Note 1: An IPTRK circuit card can be accommod ated in th e shaded sl ots (a maxi mum of two car ds per UNIT). HW

indicates Highway Block.

Note 2: Be sure to assign a B-channel n the first time slot of the controlling card.

Bch

PBX

IPTRK

.....

(max. 16 ports) (max. 16 ports) (max. 16 ports)

Bch

a maximum of 8 IPTRK cards

HW0HW1HW2

HW3

HW4

HW5 HW6HW7

HW8

HW9

HW10

HW11

PWR

PIM

Port accommodation for the IPTRK circuit card is shown below. As CCIS signal channel is a logical assignment, a single time slot need not

be exclusively kept by a D-channel. For 16-port Slot

HW For 32-port Slot

An IPTRK circuit card, assigned as CCH by the ACSC command, can control the B-

channels of the card and a maximum of seven other cards.

Intranet

Symbols:

IPTRK: IP Trunk

: Bch (Speech)

POWER

Router

Note 1

Note 2

ACSC