R&S®ACCESSNET

The expandable Trunked Radio System for professional users

Specifications in Brief

Mobile Exchanges MMX -4 plus/ MMX -8/ MMX -24/ MMX -64

General Information:

  • Signalling Standards: Mpt-1327, MPT-1343, ZVEI Regionet 43, CNET 2424
  • Node Controller: 1 to 4
  • Dimensions (WxHxD):
    • 550 x 490 x 440 mm (MMX-8)
    • 600 x 2200 x 600 mm (MMX-64)
  • Weight:
    • 36 kg (MMX-8)
    • 170 kg (MMX-64)

    Characteristics:

  • Plug-In slots: 8 to 64
  • Interfaces: Serial (RS232), Alarm I/O (optional), Radio clock, Radio channels (optional)
  • Connection lines: CON 912, PSTN, ISDN S0, S2m, PABX, PCM30 (optional), PRI-100 (optional)
  • Power Supply:

  • AC Power supply: 230 VAC at 50Hz
  • DC Power supply: 36 to 72 VDC (optional)
  • approx. Power consumption (AC):
    • 72 VA (MMX-8)
    • 230 VA (MMX-64)
  • approx. Power consumption (DC):
    • 60 Watt (MMX-8)
    • 230 Watt (MMX-64)
  • Mean Power Consumption
    • per LIA: 1.7 Watt
    • per PIA: 2.0 Watt

Radio Base Stations ND950/951/953

General Information:

  • Signalling Standards: MPT-1327, MPT-1343, ZVEI Regionet 43, CNET 2424
  • Frequency ranges:
    • 300 to 530 MHz
    • 800 to 900 MHz
  • Temperature range: -10°C to +55°C
  • Relative humidity: 20 to 75 %
  • Dimensions (WxHxD): 550 x 1010 to 1800 x 440 mm
  • Characteristics

  • Number of channels: 4 to 32
  • Bandwidth: 5 or 10 MHz, adjustable in the specified frequency band
  • Frequency accuracy: < ± 1000 Hz
  • Operating mode: Duplex
  • RF output power: 1.5 to 50 Watt adjustable
  • Permitted power per channel: 50 Watt
  • Channel spacing: 12.5, 20 or 25 kHz
  • Duplex spacing: 10 MHz
  • Impedance: 50 Ohm
  • Interfaces: 4-wire (E&M), Alarm I/O, 2 Mbit/s CCITT G703 (optional)
  • Power Supply:

  • AC Power supply: 230 VAC ±15 % at 47 to 63 Hz
  • DC Power supply: 36 to 72 VDC (optional)
  • Power consumption per channel:
    • AC model: max.140 VA
    • DC model: max. 140 Watt
  • Total power consumption:
    • 4 channel unit, AC model: max. 650 VA
    • 4 channel unit, DC model: max. 650 W