Details
The Vertical DX-120 incorporates state-of-the art digital technology. It is a completely self-contained cabinet with an internal power supply. The initial configuration is 4-analog trunks x 8-digital stations x 4-analog stations and is expandable to 8-analog trunks x 40-digital stations x 4-analog stations. The DX-120 is designed for the small to medium sized business.
The DX-120 KSU1 (4x8x4) features:
▪ Configured 4-analog ports by 8-digital extension ports by 4-analog stations
▪ One – Central Processor Module (CPM)
▪ One – Analog Port Module (APM4)
▪ One – 408M Module
▪ Internal Power Supply
▪ Wall mountable
▪ Refurbished
▪ One year warranty
The maximum capacity of the DX-120 KSU1:
▪ Digital Trunks: 24
▪ Analog Trunks: 8
▪ Digital Stations: 40
▪ Analog Stations: 4
Total system capacity KSU1 (Main) and KSU2 (Expansion):
▪ Digital Trunks: 24
▪ Analog Trunks: 16
▪ Digital Stations: 80
▪ Analog Stations: 8
The basic DX-120™ system Highlighted Feature list:
• Built-In Caller ID
• Direct Inward Dialing (DID)
• Uniform Call Distribution (UCD
• Tenant Service
• Fax Detection
• Music-on-Hold
• Public Address Interface
• Door/Gate Control Interface
• Supports T1 and ISDN-PRI Trunking
• Corporate Office™ Voicemail Module
• Automated Attendant Module
• Modem Module
• Expansion Boards
• Expansion Cabinet
* Note – some of the above features may require additional hardware or software - call for details.
Additional Information
| Manufacturer | Vertical |
|---|---|
| Compatible With | DX-120, Vertical DX-120 |
| System Type | No |
| Integration Type | Digital |
Configuration ![]() |
4x8x4 |
VoIP ![]() |
Yes |
| Voice Mail Compatible | Yes |
| In Depth | No |







