OVERVIEW DX-120 Installation and Maintenance Manual
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System Technology (continued)
AVAILABLE EQUIPMENT FOR THE DX-120
DEVICE PART # CHARACTERISTICS
KSU1 7201 8 digital extension ports
4 analog device ports
4 CID-ready CO line ports.
2 music source inputs, can be assigned as desired to CO lines for hold music/messages
1 power failure port (CO line 1).
1 control contact (LBC, Gate, External Page Control)
1 external paging equipment interface
2 serial ports
PC-DBA programming
SMDR (Station Message Detailed Recording)
OPTIONAL EQUIPMENT
KSU2 7202 • Used to expand the system capacity beyond KSU1 limits.
• 8 digital extension ports
• 4 CO line ports
• 1 power failure port (CO line circuit 1).
DPM8 7220 • Digital Port Module - 8 circuit
• Installs into KSU1 or KSU2
APM4 7230 • Analog Port Module - 4 circuit
• Always factory-installed into KSU1; can also be connected to KSU2 via dedicated cable
COM4 7210 • CO line Module - 4 circuit with one power failure port on first CO line circuit
• Installs into KSU1 or KSU2
MDM 7249 • Modem Module, for use with off-site programming.
• Installs into KSU1 only.
AAM 7240 • Automated Attendant Module
• 4 port, one menu for routing
• 10 announcements for various caller greetings. Installs into KSU1 only
DPM16 7221 • Digital Port Module - 16 circuit
• Installs into KSU1 or KSU2
T1 7290 • T1 Digital Trunking - 24 channels
ISDN
(T1/PRI)
7285 • ISDN (T1/PRI) Digital Trunking - 23 channels plus D-channel
CO DX FLASH
VM
7271C • Flash-based, 4-port Voice Mail (Corporate Office DX) with Auto Attendant.
• 1.5 hours storage and 100 mailboxes.
CO DX HD VM 7270C • Hard Drive-based, 4-port Voice Mail (Corporate Office DX) with Auto Attendant and on-
board modem.
• 100 hours storage and 100 mailboxes.
CO DX 4-port
Expansion VM
7273 • 4 port expansion to 7271C or 7270C.
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