Ericsson F251m User Manual page 40

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• Analog Data: V.90, V.34, V.32bis, V.32, V.22bis, V.22,
V.23, V.21, Bell 212A & 103
• CLI: ETSI DTMF and V.23; Bellcore FSK
• Line Impedance: 600 ohm (default)
•
Loop Current: 25 mA (off-hook)
•
Open loop voltage: 48 V (on-hook)
•
Loop resistance: < 900 ohm (off-hook)
•
Ringing voltage: 45 Vrms
•
Ring Load: 3 REN; up to 3 telephone devices
• Call Control signaling: polarity reversal and loop-break
RS232 INTERFACE
•
Data services: all applicable GSM 7.07 AT commands
• SMS: all applicable GSM 7.05 AT commands
ANTENNA (included)
• Frequency Bands: Triple-Band E-GSM 900, GSM 1800
and GSM 1900
• Characteristics: omnidirectional
POWER SUPPLY (included)
•
AC Input: 100 - 240 Vac; 47 - 63 Hz 3 pole AC inlet
connector (IEC 320 power inlet)
•
Available plugs: EU, UK, USA, and AU
ENVIRONMENTAL
•
Operating Temperature: -10ºC to +55ºC
•
Operating Humidity: 20 – 75 %
•
Storage Temperature: -40ºC to +85ºC
•
Storage Humidity: 5 - 95%