NEC NDA-24298 Trunk DTI, etc Conference Trunk, Digital Signaling Trunk, Modem Trunk, Data Module

AFCD : Assignment of Fixed Connection-Nailed Down Connection-Data

AFCD: Assignment of Fixed Connection-Nailed Down Connection-Data

1.General

This command assigns (connect link), deletes (release link), and displays the data (linked LENS) pertaining to Fixed Connections (Nailed Down Connections).

2.Precautions

1. The Nailed Down connections available among the following circuit cards/terminals.

Single Line station	(Line circuit)
Dterm	(ELC/DLC)
Trunk	(DTI, etc.)
Conference Trunk	(CFT)
Digital Signaling Trunk	(DST)
MODEM Trunk	(MDMT)
Data Module	(DTL)

2.The status of the link is supervised periodically by the system. If the link is not in a “Nailed Down Connection,” the link is forcibly released and reconnected.

3.The port specified by the LENS-A parameter and LENS-B parameter are “Nailed Down,” with respect to the EAD-A parameter and EAD-B parameter.

4.The EAD-A parameter and EAD-B parameter should be entered by the hexadecimal value as explained in Table 4-19.

Table 4-19 EAD-A and EAD-B Parameters

KIND OF	BIT No.							CONTENTS							REMARKS
TERMINAL
	b0	PAD CONTROL													Note 1
	b1	b2		b1		b0			b2		b1		b0
		0	0		0		: by dip sw	1		0		0		: 11/15 dB
TRUNK	b2	0	0		1		: 2dB	1		0		1		:
		0	1		0		: 4dB	1		1		0		:
		0	1		1		: 11/12 dB	1		1		1		: PAD OFF
	b3	0/1: Note 2
	b4-b7	Not used

NDA-24298CHAPTER 4

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