Mitel SX-2000 User Manual

Industry-standard rotary dial and DTMF telephones are supported; ONS and OPS lines provide 
an interface to the bay for these sets. The rotary telephone is not supported on the SX-200 
SPINE.

SUPERSET 4001 Telephone: The SUPERSET 4001 telephone is a single-line digital 
telephone. It has a Flash key, a Message key, a Hold/Retrieve key, seven Speed Dial keys, a 
hold lamp, and a message indicator lamp, as well as keys for adjusting the ringer and handset 
receiver volume. On incoming calls, the message lamp flashes in cadence with ringing of the set.

SUPERSET 4015 Telephone: The SUPERSET 4015 telephone is a multi-line digital telephone. 
In addition to its 10 fixed function keys, the SUPERSET 4015 has six keys that can be 
programmed as Speed Call keys, Feature Access keys or Line Appearances. The set also has 
a Message key and Microphone key with indicator lamps. On incoming calls, the message lamp 
flashes in cadence with ringing of the set.

SUPERSET 4025 Telephone: The SUPERSET 4025 is a multi-line digital telephone. It has 14 
programmable keys with associated LCD indicators. These keys can be programmed as Speed 
Call keys, Feature Access keys or Line Appearances. One key must be reserved for the prime 
line. Above the 14 programmable keys are a 2x20 alphanumeric bitmap graphics display and 
three softkeys. The display comes with backlighting or without backlighting. The three softkeys 
allow set users to select command prompts that appear in the display. The set also has a 
Message key and Microphone key with indicator lamps, and eight fixed function keys without 
indicator lamps. On incoming calls, the message lamp flashes in cadence with ringing of the 
set.The SUPERSET 4125 offers half-duplex functionality with the speaker phone.

SUPERSET 4090 Telephone: The SUPERSET 4090 telephone is a digital cordless telephone 
equipped with a backup battery charging system and an extra battery. A belt clip and a 
wall-mounting adapter are also included. The SUPERSET 4090 cordless may be used with  
another 4000 Series set. You can set up Call Forward on the desk phone to send calls to the 
SUPERSET 4090 when you are away from your desk. You can also use a line appearance key 
on the SUPERSET 4090 to answer calls to the Prime Line on your desk phone.

SUPERSET 4125 Telephone: The SUPERSET 4125 telephone is similar to the SUPERSET 
4025 telephone. The difference between the two is that the SUPERSET 4125 can be connected 
to a PC. The SUPERSET 4125  has a built-in RS-232 serial port to accomodate the connection 
to a PC serial port.  
The SUPERSET 4125 telephone, like the SUPERSET 4025 telephone, has 14 programmable 
keys with associated LCD indicators. These keys can be programmed as Speed Call keys, 
Feature Access keys or Line Appearances. Above the 14 programmable keys are a backlit, 
2x20 alphanumeric bitmap graphics display and three softkeys. The three softkeys allow set 
users to select command prompts that appear in the display. The set also has a Message key 
and Microphone key with indicator lamps, and eight fixed function keys without indicator lamps. 
On incoming calls, the message lamp flashes in cadence with ringing of the set. The set also 
has a headset jack that allows the user to have a headset and handset plugged in at the same 
time. The SUPERSET 4125 offers half-duplex functionality with the speaker phone.