Table 3-9 Specifications Of The E&M 2-Wire Audio Relay Interface; Table 3-10 Specifications Of The E&M 4-Wire Audio Relay Interface - Raisecom RC3000E Product Description

Raisecom
RC3000E (P100R001) Product Description
E&M 2-wire audio relay interface
Table 3-9 lists specifications E&M 2-wire audio relay interface.
Table 3-9 Specifications of the E&M 2-wire audio relay interface
AD gain
DA gain
AD frequency feature (300-3400 Hz)
DA frequency feature (300-3400 Hz)
Output loopback impedance
Input loopback impedance
Balance degree
Return loss
Maximum common-mode withstand voltage
CCRR
Idle Channel Noise (ICN)
E&M 4-wire audio relay interface
Table 3-10 lists specifications of the E&M 4-wire audio relay interface.
Table 3-10 Specifications of the E&M 4-wire audio relay interface
AD gain
DA gain
AD frequency feature (300-3400 Hz)
DA frequency feature (300-3400 Hz)
Output loopback impedance
Input loopback impedance
Balance degree
Maximum common-mode withstand voltage
CCRR
PSRR
Idle Channel Noise (ICN)
Parameter
Parameter
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3 Technical specifications
Description
0 dB
-3.5 dB
0± 0.2 dB
0± 0.2 dB
600 Ω
600 Ω
60–70 dB
20 dB
300 V
30 dB
< -67 dBm0p
Description
+14 dB
+4 dB
0± 0.2 dB
0± 0.2 dB
600 Ω
600 Ω
60 dB
300 V
> 60 dB
30 dB
< -67 dBm0p
12