Raisecom
RC3000-15 (P100R001) Hardware Description
8 Voice cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
89
8.4.2 Version
Card
Version
RC3000-15-10E&M
A
8.4.3 Slots
Chassis version
Slot
E.30
1–6 and 9–13
8.4.4 Interfaces
Interface type
Table 8-25 lists interfaces on the 10E&M card.
Table 8-25
Interfaces on the 10E&M card
Name
Type
Description
1–10
RJ45
Each interface accesses 1 way of E&M voice
service.
Interface parameter
Table 8-26 lists parameters of the interface on the 10E&M card.
Table 8-26
Parameters of the interface on the 10E&M card
Parameter
Description
Coding scheme
A-law
Bit rate
64 kbit/s
Audio port impedance
2000 kΩ during on-hook
600+200//0.1 Ω during off-hook
Effective transmission
bandwidth
300–3400 Hz/600 Ω
Gain frequency features
The Rx (A/D) gain ranges from -3 to 27 dB. The default
value is controlled by an internal jumper. Its step is 0.1 dB.