Raisecom
RC3000-15 (P100R001) Hardware Description
8 Voice cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
69
8.1 32FXS/32FXO
8.1.1 Functions and appearance
Panel
Function
The 32FXS/32FXO card is a 32-way voice access card.
It provides the following functions:
Provide 32 ways of voice services. There are three
voice modules: 32FXS, 32FXO, and 16FXS16FXO.
Support signaling occupation bits: a-bit and b-bit. By
default, it is a-bit.
Support configuring voice gain through software:
–
The A/D gain ranges from -10 to 16 dB, and is 0 dB
by default.
–
The D/A gain ranges from -13 to 10 dB, and is -3.5
dB by default.
–
The step is 0.1 dB.
Support configuring the signaling mode to
RAISECOM, user-defined mode, or other modes. By
default, it is RAISECOM.
Support querying signaling status.
Support reverse polarity switching.
Support CID.
Support lightning protection and overcurrent
protection.
The 32FXS card is of high power when multiple
ways of services are in off-hook status, so hot
swapping is prohibited.
To avoid abnormalities such as false ringing,
remove the cable of each voice interface before
hot swapping of the 32FXS or 32FXO card.