 
                                    
                                | TP09D | |
|---|---|
| Line impedance | Complex or real 600 Ohms (Order Option) | 
| Over voltage protection | Over voltage protected | 
| Over current protected | Max. Line current 120 mA | 
| Line detect voltage window | 4 V DC - 75 V DC | 
| CLIP mode | V.23, DT-AS | 
| Pulse Dialing | Rate: 10pps +/-5% Ratio: 40/60, 33/66 Selectable Interdigit Pause 800 ms | 
| Tone Dialing | Freq. Error: <+/- 1% | 
| Level | High group -6 dBm low group -8 dBm DTMF Tone duration 84 ms DTMF Pause 125 ms | 
| Direct Button Flash Durations | 100ms, 270ms, 600ms | 
| Pause Duration | 2 sec / per key in | 
| Memory | 4 direct buttons (2 programmable, 1 LNR, 1 CID RCL) 24 digits each, 10 indirect locations 24 digits each | 
| Monitor impedance | > 500 Kohm at 4 KHz > 120 Kohm at 100 KHz | 
| Power supply | 9 Volt Alkaline Automatic Timeout 10 min / no Line | 
| Display | Graphical reflective LCD | 
| Display Languages | English, German, any other by request | 
| Housing | Heavy duty water resistant housing made from ABS, Mylar push button switches. | 
| Test leads | 60” (150 cm) durable wire leads with solid alligator clips, field replaceable Optional 6A clips, others by request Strain relief Separate battery compartment with captive screw | 
| Dimensions | 9.8” x 3.1” x 1.2/2.8” (250 x 80 x 30/70 mm) | 
| Weight | 15.8 oz wth battery (450 g with battery) | 
| Drop test | 20 ft (7 m) |