INSTALLATION
CERTIFICATION (Optional)
EN55022: emissions EN55024: immunity
Ingress Protection: GB4208-93 IP66 FCC ITU-T Recommendations K21
EMC: EN50121(Railway application-Electromagnetic Compatibility)
PACKAGING
KNZD-05 LCD
Vandal proof telephone
NMS-X1 SNMP
Unified network management system
KNZD-14
Hotline telephone
KNZD-13
Call box
1.PSTN analogue telephone
2. DTMF dialing
3. MTBF:100000hours
4. MTTR: 2 hours
5. Connection: RJ11 screw terminal pair cable
6. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V.
7. Ambient temperature:-30 ~ +60 degree. Relative humidity:10%~95% Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)
8. Sound level of ringing:over 70dB(A).
9. Standard frequency:low frequency group:697. 770. 852. 941Hz, high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5% 10. Call transmission index:(5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm. maximum distance: 7KM
10. Super strong function is available for dialing 4 groups of numbers stored in the memory (maximum length of each number is 16 digits)
11. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request) with stainless