AT&T 7300 series, 7500 series, 7100 series, 2500 series, 7200 series, 7400 series manual Dsu, Mpdm

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Figure 6-3.	Direct Link DCS Connections	6-5
Figure 6-4.	Minimized Link Connections	6-6
Figure 6-5.	DCIU/PI Linkage in a DCS Cluster	6-7
Figure 6-6.	Short Haul Analog Signaling: System 75/G1 to System 75/G1 Via DSU	6-8
Figure 6-7.	Long Haul Analog Signaling: System 75/G1 to System 75/G1 Via Modem	6-9
Figure 6-8.	Long Haul Digital Signaling: System 75/G1 to System 75/G1 Via AVD DS1	6-9
Figure 6-9.	Long Haul Digital Signaling: System 75/G1 to System 75/G1 Via ISDN PRI	6-9
Figure 6-10.	Short Haul Digital Signaling: System 75/G1 to System 75/G1 — Direct Via MPDM
	or MTDM	6-10
Figure 6-11.	Short Haul Analog Signaling: System 85/G2 to System 85/G2 Via DSU	6-10
Figure 6-12.	Long Haul Analog Signaling: System 85/G2 to System 85/G2 Via Modem	6-11
Figure 6-13.	Long Haul Digital Signaling: System 85/G2 to System 85/G2 Via ISDN PRI	6-11
Figure 6-14.	Short Haul Analog Signaling: System 85/G2 to System 85/G2 — Direct Via IDI
	(Isolating Data Interface)	6-11
Figure 6-15.	Short Haul Analog Signaling: System 75/G1 to System 85/G2 — Direct Via
	DSU	6-12
Figure 6-16.	Long Haul Analog Signaling: System 75/G1 to System 85/G2 — Direct Via
	Modem	6-12
Figure 6-17.	Long Haul Digital Signaling: System 75/G1 to System 85/G2 Via AVD DS1	6-13
Figure 6-18.	Long Haul Digital Signaling: System 75/G1 to System 85/G2 Via ISDN PRI	6-13
Figure 6-19.	Short Haul Digital Signaling: System 75/G1 to System 85/G2 — Direct Via
	MPDM	6-14
Figure 6-20.	AUDIX in a DCS Network	6-20
Figure 7-1.	Possible Data Connections	7-3
Figure 7-2.	Synchronous vs. Asynchronous Communication	7-5
Figure 7-3.	Modes of Link Operation	7-6
Figure 7-4.	Serial vs. Parallel	7-7
Figure 7-5.	Off-PremisesData-Only Extension — Configurations	7-12
Figure 8-1. PC/PBX and PC/ISDN 3270 Emulation Connections		8-4
Figure 8-3.	External Modem Pool Using Intelligent Modems (Hayes-compatible)	8-11
Figure 8-4.	Integrated Modem Pool	8-11
Figure 8-5.	Modem Pooling over a DS1 Channel	8-12
Figure 8-6.	Outside DTE Access to LAN	8-15
Figure 8-7.	Outside PC Access to a LAN Operating with StarGROUP Software	8-17
Figure 8-8.	Asynchronous Communications from LANs Operating with StarGROUP
	Software	8-17