| Speech |
Tested to the latest 951031 S NTR3 specification. Voice-switched (VOX) semi-duplex operation. Additional half-duplex mode controlled remotely (optional local push-to-talk button).
Send & Receive levels remote programmable (l dB step).
Receive volume control button(s) adjusts level by +/- 6dB.
Call timeout programmable from 1 to 42 minutes. Remote switch-off capability.
Euro-wide network matching (factory set) |
| Dialling |
LD impulse rate: 10 ips.
Mark/space ratio: 2:1.
MF dialling tones meet international standard requirements CCITT Q23.
Initial dialling and recall modes: DTMF or LD, TBR or ELR, Mute-Before-Dial (remote programmable). Other formats (factory set):- DTMF: 50ms or l 00ms. LD: 66:33 / (60:40 option factory set) 500ms / 800ms idp.
TBR: 100ms, 300ms or 590ms.
Full key-pad with 2 memories, Recall and Volume button |
| Safety |
Tested to EN41003 and EN60950 |
| Ringing and Remote Maintenance |
Dual tone ringing through loudspeaker >75dB @ 1 m REN 1.
Auto-answer for remote programming: 0 to 15 rings.
Speech disabled during remote programming; call cleared down in favour of user dialling |
| Power requirements |
Line powered only operation down to 25mA. Supplementary power 6 - 9Vdc 100MA, 12Vdc 250mA.
Below 35mA line current supplementary power is recommended to achieve full volume |
| Temperatures |
Operating: -20°C to +55°C.
Storage : -40°C to +70°C |
| Relative Humidity |
To 95% (non-condensing) |
| Ingress Protection |
Up to IP65 dependant on installation.
Please call for advice on application |
| Weight |
approx 1.1 Kg |
Dimensions
Fixing
Aperture |
H 352mm x W 181mm x D 48mm
H 307mm x W 166mm
H 275mm x W 100mm |
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| Approvals |
 |
This mark indicates compliance with the following directives;
R&TTE Directive 1999/5/EC
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Optional Induction Loop for hearing impaired
This mark indicates compliance for inductively coupling to Hearing Aids having a `T' switch position
Tested to ETS 300-381 and in accordance with ITU-T P37 |
For specific country approval, please call |