© 2019 Burnside Telecom Ltd.
Page 22 of 25
Rev 2.1
Technical Specifications
Operational Requirements
GSM Systems.
2G GSM Quad-band GSM phase 2/2+ 850/900 @ 33dBm max.,
1800/1900 MHz @ 30dBm max.
Signal sensitivity
-90dBm or better recommended for reliable operation
Not suitable for
connection to:
3G Networks
GSM-R Networks
Power supply
12VDC Standby 0.15W, On call 1.9W average.
AC adapter supplied 100
– 240Vac 50/60Hz.
Battery backup
User exchangeable 1900mAH AA size NiMH batteries
Over 50 hours standby or 5 hours talk time (TS.09-v7.6).
Indicators
Red, green and amber LEDs.
Speech codecs
HR, FR, EFR & AMR
GSM In-call features Call waiting, multiparty calls and explicit call transfer.
FXS specification
BT431A connector for UK model, RJ11 connector for EU model
DC loop current 20/25/30mA (user selectable, default 25).
Ringing signal 25Hz sinusoidal 60V RMS
Ringing load 3 REN
Dialling by DTMF
CLI passed through from FXO.
CLI generated from incoming Mobile call.
FXO specification
RJ11 connector
On-hook and off-hook line voltage monitor
3
A on-hook line current monitor
Loop current monitor
Parallel handset detection
Line polarity reversal detection
Greater than 3000V isolation
Antenna connection 50 Ohm SMA male connector
Monitored faults and
sensors
•
Power break
•
PSTN failure
•
Battery condition
•
Supply voltage
•
Ambient temperature
Monitoring method
•
Remote interrogation by SMS.
•
SMS sent on event.