Nortel Networks NN43001-301 manual QMT8 switch settings, QMT21C switch settings

188ISL installation

•Modem/Network, Modem

•Auto Answer, On

•Loopback, Off

Note 1: Set only one side of the interface to originate the hot line.

Note 2: Forced Data Terminal Ready (DTR) automatically reinitiates a dropped hot line call.

QMT8 switch settings

If the QMT8 Asynchronous Data Module (ADM) is used, set the switches as follows:

Switch 1:	Switch 3:		Switch 4:
	1.	not used	1.	on
set to zeros (no VFDN)	2.	not used	2.	on (hot line*)
	3.	FDX (full duplex)	3.	off (DTR-data
	4.	modem		terminal
				ready-required)
	5.	internal clock	4.	on (synchronous)
	6.	no echo		U5 and U7 must be
	7.	auto answer		jumpered
	8.	off (no loopback)
			* Only one side of the
			interface should be set to
			originate the hot line.

QMT21C switch settings

If using the QMT21 HSDM, set the dip switches, located on top of the unit under the flip-up, as follows.

•Hotline, On; See Note 1.

•Forced DTR, On; See Note 2.

•FDX (full duplex), On

•SYNC, On

•INTernal CLK, On

•Modem/Network, Modem

•Auto Answer, On

•Loopback, Off

Note 1: Set only one side of the interface to originate the hot line.

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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