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3-4 Switched EIA RS-232 Networks
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AUDIX System Requirements For Switched RS-232 Using Modems
Each AUDIX system must be running R1V5 or later software. Each AUDIX system must be equipped
with a TN539 or TN539B ACCE circuit pack. The AUDIX Networking Breakout cable (H600-331, Group
2) is required at each AUDIX system.
H600-331
GROUP 2
H600-331
GROUP 2
H600-331
GROUP 2
H600-331
GROUP 2
ALL CONNECTIONS
TO ANALOG PORTS
AUDIX
AUDIX
MODEM
RS-232
MODEM
AUDIX
RS-232
MODEM
T/R
T/R
T/R
T/R
RS-232
AUDIX
SWITCH
MODEM
RS-232
Figure 3-2. Switched RS-232 Network for a Single Switch
Switch (or Customer) Requirements For Switched RS-232 Using
Modems
Each switched RS-232 channel requires one of the following Hayes-compatible modems:
• AT&T 2296A
• AT&T Paradyne 3820
• AT&T Paradyne DM424
• MICROCOM QX 3296/C (not orderable through AT&T)