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IPmux-1/1E Installation and Operation Manual Chapter 1 Introduction
Technical Specifications 1-35
Interfaces
FXS: Loop start for direct connection to a 2-wire
telephone
Nominal level: 0 dBm
Nominal impedance: 600Ω
Return loss (ERL): Better than 20 dB
Frequency response: (Ref: 1020 Hz)
• ±0.5 dB, 300 TO 3000 Hz
• ±1.1 dB, 250 to 3400 Hz
Signal to total distortion, G.712, G.713 method 2:
• 0 to -30 dBm0, better than 33 dB
• +3 to -45 dBm0, better than 22 dB
Idle channel noise: Better than -70 dBm0 (+20 dBrnc)
Transformer isolation: 1500 VRMS
Ringing - 22 Hz, sine wave
Diagnostics
Remote analog loopback towards the remote side,
activated from local side
1kHz tone injection towards analog side Activity indicators
ISDN S0
Interface
Number of Ports
4
Compliance
ETS 300012, I.430, NTT, 5ESS, DMS-100, NI1
Bit Rate
192 kbps
Line Coding
Pseudo-ternary
Line Termination
100Ω ± 5%
Connector
RJ-45
Echo
Canceller
Compliance
G.168
8 ms tail support
External Clock
E1
Compliance
ITUa-T Rec. G.703, G.706, G.732, G.823
Connector
Balanced: RJ-45 8-pin
Unbalanced: TBNC 75Ω (an external adapter cable from
TBNC to BNC is required)
Data Rate
2.048 Mbps
Line Code
HDB3
Line Impedance
Balanced: 120Ω; Unbalanced: 75Ω