Raisecom RC3000E - 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 (P100R001) Product Description
3 Technical specifications
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
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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
Parameter
Description
AD gain
0 dB
DA gain
-3.5 dB
AD frequency feature (300-3400 Hz)
0±0.2 dB
DA frequency feature (300-3400 Hz)
0±0.2 dB
Output loopback impedance
600 Ω
Input loopback impedance
600 Ω
Balance degree
60–70 dB
Return loss
20 dB
Maximum common-mode withstand voltage
300 V
CCRR
30 dB
Idle Channel Noise (ICN)
< -67 dBm0p
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
Parameter
Description
AD gain
+14 dB
DA gain
+4 dB
AD frequency feature (300-3400 Hz)
0±0.2 dB
DA frequency feature (300-3400 Hz)
0±0.2 dB
Output loopback impedance
600 Ω
Input loopback impedance
600 Ω
Balance degree
60 dB
Maximum common-mode withstand voltage
300 V
CCRR
> 60 dB
PSRR
30 dB
Idle Channel Noise (ICN)
< -67 dBm0p