NEC NDA-24298 manual TRK Ineffective Hold Check function of the periodic test, Assignment = 50 HEX

ASYD : Assignment of System Data

SYSTEM	SYSTEM	DATA		BIT
			CORRESPONDING
	DATA
DATA		(DATA)		DATA
	INDEX							SYSTEM DATA CONTENTS
TYPE		00 - FF
	(INDEX)
(SYS)		(Hex)	DATA		BIT
	0 - 511
			0/1
						No. 7 CCIS Control System Interoffice Audit Test
						0/1 = Required/Not Required
					b0	Note 1: This system data becomes valid only when activating
						TRK Ineffective Hold Check function of the periodic test.
						Note 2: In No. 7 CCIS service, IAI signal is sent out to the called
						side office in an outgoing connection.
						MJ/MN lamp on a display panel in the Main office is controlled by
	188				b1	error information from Satellite office.
						0/1 = Not Required/Required
					b2
					b3
					b4	Not used
					b5
					b6
					b7
1			0		b0
			0		b1	Not used
			0		b2
			0		b3
					b4	ACM, UMB Signal “No-Receiving” Timer
					b5
					b6		b7 b6 b5 b4 b3 b2 b1 b0
									SY189
	189							MTC
						MTC: MISC TIMER COUNTER
						Timer Value = 2 sec ⋅ MTC
					b7	(The timer value is the default value 4 seconds when MTC = 0.)
						Note 3: If the IAI signal reaches the called side office, the ACM
						signal is received from the called side office. This timer is
						to be set when the arrival of the ACM signal may be
						delayed in a tandem connection, etc. (Standard
						Assignment = “50 HEX”)

CHAPTER 4 NDA-24298

Page 134

Issue 1