Raisecom RC3000-15, Hardware Description

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Raisecom
RC3000-15 (P100R001) Hardware Description
8 Voice cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
75
8.2 FXS/FXO
8.2.1 Functions and appearance
Panel Function
The FXS/FXO card is a 16-way voice access card. It provides the
following functions:
 Provide 16 ways of voice services. There are four voice modules:
16FXS/16FXO, 8FXS/8FXO, and 8S8O.
 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.
 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 16FXS/8FXS 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
16FXS, 16FXO, 8FXS, 8FXO, and 8S8O cards.