| ▪ The shift change/emergency-call feature requires additional customer-supplied equipment master clock with a contact closure or pre-amplified microphone with built-in or external contact closure |
| ▪ Programmable all-call inhibit and privacy beep for talk back zones |
| ▪ Screw terminal block connections |
| ▪ Separate volume controls for tones, night ring and background music |
| ▪ Works with self-amplified or central-amplified paging systems |
| ▪ Terminals provided for connection to an additional 48 VAC power supply when 48 VAC talk battery operation required(Bogen PRS48 power supply recommended) |
| ▪ 0.9B ringer equivalence |
| ▪ 100 W (70/25 VAC) audio power capability |
| ▪ 25 dBm signal level, 10 dB twist limit, 40 ms tone duration and interdigit pause DTMF tones |
| ▪ 8 to 20 ppm dial pulse speed, 52 to 64% break zone selection |
| ▪ 0 to 125 deg F operating temperature |
| ▪ Three easily programmable zone groups (1 to 3 zones in each) |
| ▪ One way and two-way paging (talk back operation requires TBA15 talk back amplifier) |
| ▪ Direct connection to page ports (requires contact closures), loop-start and ground start trunks |
| ▪ Interfaces to station ports using TAMB telephone access module |
| ▪ Selectable pre-announce and confirmation tones signal back through the handset and over the paging system |
| ▪ Background music input |
| ▪ DIP switches select zone type (one way or talk back), talk battery (24/48 VAC) and tone options |
| ▪ Built-in night ringer in all zones or group of three user-selected zones |
| ▪ Shift change or emergency-call (with alert tone) in all zones or group of three user-selected zones |