Table 3-8 Specifications Of The Fxo Audio Relay Interface - Raisecom RC3000E Product Description

Raisecom
RC3000E (P100R001) Product Description
2-wire input impedance
2-wire to 4-wire gain
2-wire to 4-wire frequency feature
4-wire to 2-wire gain
4-wire to 2-wire frequency feature
Return loss
Balance degree
Common-Mode Rejection Ratio (CMRR) 60–70 dB
Power Supply Rejection Ratio (PSRR)
Idle Channel Noise (ICN)
FXO audio relay interface
Table 3-8 lists specifications of the FXO audio relay interface.

Table 3-8 Specifications of the FXO audio relay interface

Ring detection voltage
Ring detection frequency
Ring non-detection voltage
2-wire loopback impedance
2-wire to 4-wire gain
2-wire to 4-wire frequency feature
4-wire to 2-wire gain
4-wire to 2-wire frequency feature
Return loss
Balance degree
CMRR
PSRR
Idle Channel Noise (ICN)
Parameter
Parameter
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
Description
200+680 Ω
0± 0.5 dB
0± 0.2 dB
-3.5± 0.5 dB
0± 0.2 dB
30–40 dB
60–70 dB
 Vcc: 30 dB
 Vbat: 30 dB
< -67 dBm0p
Description
≥ 35 V
17–63 Hz
≤ 15 V
Off-hook status: 200+680 Ω

 On-hook status: 2 MΩ
On-hook status: -0.60 dB
On-hook status: 0± 0.2 dB
Off-hook status: 3.5± 0.5 dB
Off-hook status: 0± 0.2 dB
30–40 dB
60–70 dB
60–70 dB
30 dB
< -67 dBm0p
3 Technical specifications
11