AT&T 2500 series, 7500 series, 7100 series manual Mtdm, System 85 or Generic 2 G2 to System 85 or G2

6-10DISTRIBUTED COMMUNICATIONS SYSTEM (DCS)

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_

PI

TN764

(DIGITAL LINE)

TN760

(TIE TRUNK)

TN722

OR TN767

(DS1)

SYSTEM 75/G1

	SIGNALING CHANNEL
DCP	MTDM	DCP
	MPDM
	RS232C MALE/MALE CABLE
	ANALOG OR DS1 VOICE CHANNEL

PI

TN764

(DIGITAL LINE)

TN760

(TIE TRUNK)

TN722

OR TN767

(DS1)

SYSTEM 75/G1

Figure 6-10.Short Haul Digital Signaling: System 75/G1 to System 75/G1 — Direct Via MPDM or

MTDM

System 85 or Generic 2 (G2) to System 85 or G2

DCIU

OR

TN760

(TIE TRUNK)

TN722

OR TN767

(DS1)

GENERIC 2

WITH

UNIVERSAL

MODULE

DCIU

SN232

(TIE TRUNK)

ANN11

(DS1)

SYSTEM 85/G2

WITH

TRADITIONAL

MODULE

SIGNALING CHANNEL

RS449			RS449
	RS232C	DSU	RS232C
		DSU
		RS449 TO RS232C
		CONVERSION
	ANALOG OR DS1 VOICE CHANNEL

DCIU

SN233

(TIE TRUNK)

ANN11

(DS1)

SYSTEM 85/G2

WITH

TRADITIONAL

MODULE

DCIU

OR

TN760

(TIE TRUNK)

TN722

OR TN767

(DS1)

GENERIC 2

WITH

UNIVERSAL

MODULE

Figure 6-11.Short Haul Analog Signaling: System 85/G2 to System 85/G2 Via DSU