Documentation
Specifications
| Item | Description |
| Dimensions & Weight | |
| Dimensions | Width: 2-5/8" (67mm) Length: 4-3/16" (106mm) Height: 1-1/8" (29mm) |
| Weight | 100g (3.5 oz.) |
| Telephony | |
| Ring voltage | 60 Vrms Sinewave |
| CLID Type | GR-30-CORE (North American Standard) |
| Analog Port | Two-wire RJ11 |
| Loop Current | 41 mA |
| Talk Battery | 48 Vdc |
| Ringer Equivalency No. | 1 REN |
| Compatibility | |
| PC | Windows 2000 or Windows XP; One available USB port required |
| USB | Version 1.1 or greater |
| USB Power | High power device (500mA); If connected to USB Hub, USB Hub requires line power |
| Softphone | Nortel IP Softphone 2050 – Version 2 B254 or newer Note: The Nortel USB Audio Adapter, and Nortel Mobile USB Headset Adapter cannot be used at the same time as the 4900 USB ATA |
| 1100-Series IP Phones | Compatible with 1120E, 1140E, and 1150E models when used with a powered USB Hub. Minimum firmware required on phones is UniStim 3.1 |
| Relay Output | |
| Alert Output | Isolated solid state relay |
| Connection | 2.5mm jack |
| Voltage | Max 30V SELV |
| Current | Max 50mA non-inductive |
| Function | Ring and Message Waiting (triggers whenever either event occurs) |
| Regulatory Approvals, Declaration & Warranty | |
| Compliance | FCC, CSA, CE, ROHS |
| Warranty | 24 Months |
