AT&T 2500 series Network Router User Manual


 
9-4 DATA COMMUNICATIONS CONFIGURATIONS
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PSC
OR
DSC
MADUMADU
S75/S85/G1/G2
HOST
COMPUTER
UP TO
19.2-KBPS
ASYNC
D. SYSTEM 75, SYSTEM 85, GENERIC 1, OR GENERIC 2 - PSC/DSC USING PRIVATE
NETWORK DIGITAL FACILITIES AND EIA PORTS
(24TH-CHANNEL OR ISDN PRI MOS SIGNALING
COMMUNICATION TYPE MUST BE AVD OR DATA)
EIA
INTERFACE
COMPUTER
OR
PRINTER
EIA
DS1
SWITCHSWITCH
CHANNEL
INTERFACE
UNIT
"829A"
MODEM
TIE
TRUNK
SN233
DCIU
DS1
SYSTEM 85, R2V3
"T1"
TRANSMISSION
FACILITIES
E. SYSTEM 85 (R2V3) TO SYSTEM 85 (R2V3) - DSC USING DS1 FACILITIES
TIE
TRUNK
SN233
DCIU
DS1
SYSTEM 85, R2V3
CHANNEL
INTERFACE
UNIT
"829A"
RS-449
MODEM
DSC
CONNECTION
ROBBED-BIT OR
24TH-CHANNEL SIGNALING
GPP
SN270
DCIU
DS1
S85/G2
MPDM
"T1"
24-CHANNEL SIGNALING
RS-232C
SOFTWARE
CONNECTION
TRADITIONAL MODULE
DS1
S75/G1
SCI/PI
(SEE FIGURE 6-17 FOR CONNECTION TO THE GENERIC 2 UNIVERSAL MODULE)
F. SYSTEM 85 (R2V4) OR GENERIC 2 TO SYSTEM 75 OR GENERIC 1 - SOFTWARE CONNECTION USING DS1 FACILITIES
MTDM
MODEMMODEM
SYSTEM 85/G2
DCIU
RS-449/232 RS-232
DIGITAL
LINE PORT
SOFTWARE
CONNECTION
TN754
SYSTEM 75/G1
SCI/PI
G. SYSTEM 85 OR GENERIC 2 TO SYSTEM 75 OR GENERIC 1 - DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) CONNECTION
USING ANALOG FACILITIES AND SOFTWARE CONNECTION (NOT A PSC/DSC CONNECTION)
Figure 9-1. Dedicated/Permanent Switched Connections — Configurations (Sheet 2-of-2)