Purpose
VP-EXT22 extends functionality of the VP-30P IP phone. The device includes 22 additional keys with LED indication, color LCD, and 3 virtual pages, which increase the number of programmable keys up to 66.
Main specifications
| General parameters | |
|---|---|
| Power supply |
|
| Maximum power consumption | 2.8 W |
| Operating temperature range | from 0 to +40 °C |
| Relative humidity at 25 °С | up to 80 % |
| Dimensions (W × H × D) | 128 × 220 × 43 mm |
| Weight | 0.52 kg |
| Lifetime | no less than 5 years |
| RS-422 interface parameters for IP phone or console connection | |
| Number of ports | 2 |
| Electrical connection | RJ-25 (6P6C) |
| Data rate | up to 2 Mbps |
Design
VP-EXT22 is enclosed into 128 × 220 × 43 mm plastic case.
Top panel of the device
The figure below shows VP-EXT22 top panel layout.
The following controls are located on the device top panel:
| Top panel element | Description | Indicator state | Device state | |
|---|---|---|---|---|
1 |
| Programmable keys indicators | Depends on configuration | |
| 2 |  | Virtual pages switch keys | If the key is lit green, the corresponding virtual page is activated | |
Rear panel of the device
The figure below shows VP-EXT22 rear panel layout.
| Rear panel element | Description | |
|---|---|---|
| 3 |
| RJ-25 (6P6C) port for connecting the next extension console |
| 4 |
| RJ-25 (6P6C) port for connecting to the IP Phone or the previous extension console |
| 5 |
| port for connecting a power adapter, 12 V DC, 3 A |
