View source for SMG1000 Technical Specifications

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| Dimensions || 440×44×267 mm<sup>3</sup>
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| Weight || About 4 kg
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| Environment || Operating temperature: 0℃—55℃

Storage temperature: -20℃—85℃

Humidity: 8%— 90% non-condensing

Storage humidity: 8%— 90% non-condensing
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| LAN || Amount: 2 (10/100 BASE-TX (RJ-45))

Self-adaptive bandwidth supported

Auto MDI/MDIX supported
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| FXS/FXO Port || Amount: 8/16/32

Type: RJ11, RJ21, RJ45

Maximum transmission distance: 1500m
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| Impedance || Input impedance:≥1MΩ/500V DC; ≥10kΩ/1000V AC

Insulation resistance of telephone line from PC:≥2MΩ/500V DC

Telephone line impedance: Compliant with the national standard impedance for three-component network
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| Console Port || Amount: 1 (RS-232)

Baud rate: 115200bps

Connector: RJ45 to DB-9 Connector

Data bits: 8 bits

Stop bit: 1 bit

Parity unsupported

Flow control unsupported

Note: Follow the above settings to configure the serial port; or it may work abnormally.
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| Power Requirements || Input power: 100~240V AC
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| Signaling & Protocol || SIP signaling

Supported protocol: SIP V1.0/2.0, RFC3261
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| Audio Encoding & Decoding || G.711A : 64 kbps
  
G.711U :  64 kbps
  
G.729A/B : 8 kbps
  
G723 : 5.3/6.3 kbps
  
G722 : 64 kbps
  
AMR : 4.75/5.15/5.90/6.70/7.40/7.95/10.20/12.20 kbps
  
iLBC : 13.3/15.2 kbps
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| Sampling Rate || 8kHz
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| Safety || Lightning resistance: Level 4
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