O
VERVIEW
DX-120 Installation and Maintenance Manual
- 10 -
System Technology (continued)
A
VAILABLE
E
QUIPMENT
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
• Installs into KSU1 or KSU2
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.
Summary of Contents for comdial DX-120
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