AT&T 518-600-016 Far End, Merlin II System, Standard Unit Network, Either Interface Type Standard

TABLE 1-4 Tie Line Preferred Signaling Formats (continued)

Insulation Situation				Preferred Signaling Format
	From				Far End
MERLIN II System			MERLIN II System
			Signaling	Protected	Signaling	Protected
			Mode and	or	Mode and	or
To		Location	Type	Unprotected	Type	Unprotected
Other		Inter-	E&M	Protected	E&M	Requires a
		building	Type 1		Type 1	protection
			Compatible		Standard	unit
Network		…	E&M	Unprotected	Either	Either
interface			Type 1
			Standard

Theory of Operation 1-51