DSX-40 4x8x2 Key Telephone System with 2 Door Box Ports and Caller-ID
P/N 1090001
Digital extension ports: Built-in: 8
Fully expanded: 24
Analog line ports: Built-in: 4 Total: 8
Analog extension ports: Built-in: 2
Fully expanded: 18
Expansion slots:
Station expansion slots: 2 Line expansion slots:1
Built-in door box ports: 2
Built-in door box control relays: 2 Audio outputs: 1
Audio inputs: 2
Total Ports: 40 CompactFlash interface: Yes Ethernet port: Yes (auto sensing) USB connector: Yes

DSX-40 is a compact, wall-mountable, more economical member of the DSX family that offers many of the features and options of the larger DSX-80/160 in a smaller, self-contained cabinet. In its off-the-shelf basic conīŦguration, DSX-40 supports 4 CO (outside) lines with Caller ID, 8 DSX digital keyset extensions, and 2 analog (single line) extensions with power failure. Additionally, the basic DSX-40 provides:
• CompactFlash card interface (for IntraMail, software loading, and database backup)
• Conference circuits, DTMF receivers and DTMF generators
•NAND Flash for storing the system database
•Battery for short term (14 day) backup of the internal Real Time Clock and station parameters
•Two audio inputs for Background Music and Music on Hold (1/8” mono minijacks)
•One audio output for External Paging (1/8” mono minijack)
•Ethernet and USB ports for local and remote PC Programming
• RS-232 serial port for Station Message Detail Recording
•2 DSX Analog Door Box ports with associated relays
• Built-in V.32BIS 14.4K BPS modem for remote maintenance
Tips to remember:
1. The CPU also has a reset switch that provides the following three functions:
• System reset (when momentarily pressed).
•System initialization (when held down as power is turned on).
•Software update (when held down for a few seconds while a software update CompactFlash card is installed).
2. DSX-40 provides FSK Message Waiting. It does not provide high voltage Message Waiting.
Even with all the value built into the basic off-the-shelf DSX-40, the system is easily expandableFor AVAYA, NORSTAR, NEC, SAMSUNG, MITEL, PANASONIC, TOSHIBA telephone systems and voicemail call (866)206-2316 or email MasterTelephone@gmail.com