Specifications

•    MAPLE-4C(V4) is a modular chassis with hot- swappable modules :
     I/O modules: 4E1, FXO, FXS, Hot-line, 2/4W E&M, RS232/V.24, ETH
     Chassis (height): 1U, 19-inch wide
      Number of Service-slots: 3 slots for I/O modules
      Telnet port: 10/100Mbps (RJ-45), Ethernet
•   Power supply:   AC: 100V ~ 240V
      DC: -18V ~ -72V
     Power consumption: =50 W
     Ringing generator: 75V, 25 Hz
•    Environment of operation
      Operating Temperature: -5° to 50°c
      Air pressure: 86 to 106 KPa
     Humidity: 5% to 95% RH, non-condensing
•   Data Interfaces
     Low speed data interface: RS232, V.24
     Characteristic: ITU-T V.24
      Data Format: Asynchronous, Bit rate Asynchronous data: upto 19.2Kbps
•    Uplink Interface: E1(4)
     Supports 512×512 cross-connect based on 64K with signaling
     Bit rate : 2048 +/- 50 ppm
     Code : HDB3
     Impedance : 120 Ohms Balanced
      Electrical characteristic : ITU-T G.703
      Transfer characteristics : ITU-T G.823
      Jitter performance : ITU-T G.823
•   Voice Interfaces
     Channel sampling rate : 8 KHz
     Companding law : A-law
     Voice Interface : 2W, 4W,
     Signalling, FXO, FXS, E&M Frequency : 300 to 3400Hz
     Impedance : 600 Ohms
     Ring current voltage : 75 + 15V AC, 25 + 3 Hz
•   Ethernet Data interface
     Characteristic: IEEE 802.3
     Bit Rate: N x 64 Kbps, N=1~31