AT&T 555-600-736 manual Module LINE/TRUNK Station Type Specifications

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LEGEND SYSTEM CONTROL UNIT MODULES

MODULE	LINE/TRUNK	STATION TYPE	SPECIFICATIONS
	TYPE
008	n/a	Analog multiline	Capacity: 8 analog stations
		telephone; Call	Signaling: analog multiline
		Management System;	telephone protocol (40 kbps)
		analog data with	Loop range: 1000 ft in-building
		a general purpose	or in-range out-of-building
		adapter	with analog IROB protectors)
			service only
008 MLX	n/a	MLX telephone; digital	Capacity: 8 digital stations,
		data service (the	each with 1 or 2 endpoints.
		ISDN 7500B Data	including the following station
		Module)	types:
			*digital voice only
			*digital voice with Voice
			Announce to Busy
			*digital voice and digital data
			(via ISDN 7500B Data Module)
			*digital voice and MFM
			*digital data only (ISDN 7500B
			Data Module)
			Signaling: ISDN-BRI S/T
			protocol (2 64-kbps B channels,
			one 16-kbps D channel), on a
			passable bus.
			Power: 48-VDC phantom power to
			telephone: 48 VDC over a separate
			pair (7-8) to an operator DSS console
			Loop range: 1000 ft. in-building
			and in-range out-of-building (with
			MLX IROB protectors) service only
008 OPT	n/a	on-premises or off-	Capacity 8 T/R stations on
		premises single-line	2-way voice transmission path
		telephone	with support for telephones with
			message-waiting LEDs: 2 TTRs
			Ringing current: 105-Vrms.
			30-HZ sinusoidal ringing super-
			imposed cm -48 VDC; a ring
			generator must be installed in
			the power supply module of each
			carrier that has a 008 OPT module.
			REN: <1.0 per port
			.
			Disconnect signal: 900 ms
			(T/R short for answering machines,
			G3 Fax, etc.)
			Switchhook flash detection
			300-1200 ms
			Loop Resistance: Serves 2-wire
			loops to 1300 ohms, including
			stations
			Notice to Telco: Meets FCC
			Class c