AT&T DEFINITY 7200 series - Manual (Page 193)

DATA COMMUNICATIONS CONFIGURATIONS 9-3
_ ______________________________________________________________________________________
_ ______________________________________________________________________________________ _ ______________________________________________________________________________________
PSC OR DSC
S75/S85/G1/G2
PSC OR DSC
S75/S85/G1/G2
DIGITAL
LINE PORT
COMMUNICATION TYPE MUST BE AVD OR DATA)
(24TH-CHANNEL OR ISDN-PRI MOS SIGNALING
MULTIPLEXER
OR
COMPUTER
C. SYSTEM 75, SYSTEM 85 (R2V4), GENERIC 1 OR GENERIC 2 - PSC/DSC USING PRIVATE NETWORK DIGITAL FACILITIES
HIGH-USAGE
DATA TERMINAL
OR
MULTIPLEXER
MPDM MPDM
4-WIRE, E&M
TIE TRUNK
MODEM MODEM DTE DTE
S85/G2
DSC DSC
S85/G2
DS1
4-WIRE, PRIVATE-LINE
MODEMS
B. SYSTEM 85 (R2V3) TO SYSTEM 85 (R2V3 OR V4) OR GENERIC 2 OVER DS1
HOST
COMPUTER
OR
FRONT-END
PROCESSOR EIA
INTERFACE
A. SYSTEM 75 OR GENERIC 1 - PSC USING STANDARD BUILDING WIRING
PSC —
ALSO REFERRED TO AS "SOFTWARE
CONNECTION"
HIGH-USAGE
DATA
TERMINAL
MPDM
S75/G1
ORIGINATING
DATA MODULE
DIGITAL
LINE PORT
MADU SUPPORTS
ASYNCHRONOUS ONLY
MADU
Figure 9-1. Dedicated/Permanent Switched Connections — Configurations (Sheet 1-or-2)