Analog Subscriber UA5000 Dslam ADSL2+ Board A32 HUAWEI HASL
Short Description:
| Abbreviated Name | |
| Full Name | Functions |
| PVM | |
| Packet voice processing board | The PVM board is also called the narrowband control board of the master shelf. The PVM board supports the following functions: Controls the narrowband service boards. Converts the TDM voice traffic into IP packets. Supports the H.248/SIP protocol. Provides one FE port for transmitting the IP-based voice service. Supports the V5 interface to provide the V5 voice service. The PVMB board can provide four E1 ports. The PVMD backplane provides four E1 ports, and the panel of the PVMD board provides one GE optical port and one FE optical/electrical port. |
| A32 | |
| Analog service board | The A32 board provides 32 POTS ports. |
| A64 | |
| Analog service board | The A64 board provides 64 POTS ports. |
| ASL | |
| Analog service board | The ASL board provides 16 POTS ports. |
| CDI | |
| Direct-dialing-in subscriber interface board | The CDI board provides 16 DDI ports, through which the analog service is transparently transmitted. |
| DSLD | |
| Digital service board | The DSLD board provides 16 ISDN BRI ports. |
| EDTB | |
| E1 trunk board | The EDTB board provides 16 E1 trunk ports. |
| SDLE | |
| TDM G.SHDSL board | The SDLE board provides eight TDM G.SHDSL ports and eight E1 ports. |
| SRX | |
| Sub-rate board | The SRX board provides five V.24 synchronous sub-rate ports or three V.24 asynchronous sub-rate ports. |
| HSL | |
| High-speed synchronous line interface board | The HSL board provides two V.35 ports and two FE1 ports, each with the rate of N x 64 kbit/s (1≤N≤31). |
| VFB | |
| Audio frequency interface board | The VFB board provides sixteen 2-wire audio frequency ports or eight 4-wire audio frequency ports. |
| ESC | |
| Environment monitoring board | The ESC monitors the power supply, temperature, humidity, door status, fan, battery, and other analog and digital parameters, and also reports the monitored information to the control board through the serial port. |
| PWX | |
| Secondary power supply board | One PWX board occupies one slot. One master shelf can be equipped with two PWX boards. The PWX board supports inter-board and inter-shelf load-sharing and mutual aid function. |
| VMS | |
| Message LED analog service board | The VMS provides 16 analog service ports. |
| ATI | |
| Analog trunk interface board | The ATI board provides six channels for the access and transparent transmission of E&M audio frequency signals. |
| SCS board | |
| Sub-rate centralized cross board | The SCS board provides the sub-rate centralized cross function. |
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