GOMU
This describes the GSM Operation and Maintenance Unit (GOMU). It serves as the server in the BSC. It can be installed in slots 20-23 in the GMPS and work in active/standby mode.Functions of the GOMU
As theThe GOMU performs the following functions:
·
Controls the communication between the LMT
computer and the other boards in the BSC, facilitates the data configuration,
and collects and filters the performance and alarm data
·
Processes the commands issued by the LMT
computer/M2000, and then forwards the commands to the other boards in the BSC
for processing
·
Filters the results from the other boards in the
BSC, and then returns the results to the LMT computer.
Ports on the GOMU Panel
The ports on the GOMU panel consist of four USB ports (labeled USB0-1 and USB2-3), three GE ports (labeled ETH0, ETH1, and ETH2), one serial port COM-ALM/COM-BMC, and one VGA port.Table 1 describes the ports on the GOMU panel.
Port
|
Function
|
Connector
|
| USB0-1 and USB2-3 | It is used to connect the USB equipment. | - |
| ETH0 to ETH2 | These are the GE ports. | RJ45 |
| COM-ALM/COM-BMC | Serial port. They are used for system commissioning or general application. | DB-9 |
| VGA port | Video connector | - |
GSCU
The GSCU is the GSM Switching and Control Unit. It is installed in slots 6-7 in the GMPS/GEPS/GTCS. The GSCU is configured in pairs and work in active/standby mode.Functions of the GSCU
The GSCU provides anThe GSCU performs the following functions:
- Maintains and manages the subrack where the GSCU is located
- Provides a GE switching platform for the boards located in the subrack
- Provides clock information for the boards (excluding the GGCU, GXPUT, and GXPUM) in the subrack
Ports on the GSCU Panel
The GSCU panel provides fifteen ports, of which twelve ports are labeled 10/100/1000BASE-T, one COM, one CLKIN, and one TESTOUT.Table 1 describes the ports on the GSCU panel.
Port
|
Function
|
Port
|
| 10/100/1000BASE-T0 to 10/100/1000BASE-T9 | 10/100/1000 Mbit/s Ethernet ports, used to connect subracks | RJ45 |
| 10/100/1000BASE-T10 to 10/100/1000BASE-T11 | 10/100/1000 Mbit/s Ethernet ports, used to connect to the GBAM (Only the main subrack is connected to the GBAM/GOMU.) | RJ45 |
| COM | Debugging port | RJ45 |
| CLKIN | Clock source port, used to receive the 8 kHz clock signals from the GGCU panel | RJ45 |
| TESTOUT | Clock test signal port, used to generate clock signals | SMB male connector |
GTNU
The GTNU is the GSM TDM switching network unit in the BSC. It is installed in slots 4-5 in the GMPS/GEPS/GTCS. The GTNU is configured in pairs and work in active/standby mode.The GTNU serves as the switching center for the CS services of the entire system.
The GTNU performs the following functions:
- Provides 128Kx128K TDM switching
- Allocates TDM network resources, and sets up and releases network connections
Table 1 describes the ports on the GTNU panel.
Port
|
Function
|
Port
|
| TDM0 to TDM5 | TDM high-speed serial ports, used for GTNU interconnections between subracks | DB14 |
GEIUA
The GEIUA is the GSM E1/T1 Interface Unit for the A interface. It can be installed in slots 18-25 in the GMPS/GEPS/GTCS. The GEIUA can be configured in pairs and work in active/standby mode.Functions of the GEIUA
The GEIUA enables the E1/T1 transmission on the A interface.The GEIUA performs the following functions:
- Provides four E1/T1 electrical ports, which is used for TDM transmission
- Provides Tributary Protect Switch (TPS) function to enable switchover between the physical links of the active and standby boards.
- Transmits and receives 32 E1/T1 signals, and encodes and decodes the E1/T1 signals (The E1 transmission rate is 2.048 Mbit/s and the T1 transmission rate is 1.544 Mbit/s.)
Ports on the GEIUA/GEIUB/GEIUP/GEIUT(EIUa) Panel
The physical boards of the GEIUA, GEIUB, GEIUP, and GEIUT are the same. After being loaded with different software, the physical boards perform different functions. These boards have the same ports. Of the seven ports, four ports are labeled E1/T1, one 2MO, one 2M1, and one TESTOUT.Table 1 describes the ports on the GEIUA/GEIUB/GEIUP/GEIUT panel.
Port
|
Function
|
Port
|
| E1/T1 (0-7) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 0-7 | DB44 |
| E1/T1 (8-15) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 8-15 | DB44 |
| E1/T1 (16-23) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 16-23 | DB44 |
| E1/T1 (24-31) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 24-31 | DB44 |
| 2M0 and 2M1 | Output ports for the 2.048 MHz clock signals, used to export the extracted line clock for system reference | SMB male connector |
| TESTOUT | You can modify the register value to obtain different test clock signals. By default, the 2.048 MHz clock signals are the outputs from this port. | SMB male connector |
Ports on the GEIUA/GEIUB/GEIUP/GEIUT(EIUa) Panel
The physical boards of the GEIUA, GEIUB, GEIUP, and GEIUT are the same. After being loaded with different software, the physical boards perform different functions. These boards have the same ports. Of the seven ports, four ports are labeled E1/T1, one 2MO, one 2M1, and one TESTOUT.Table 1 describes the ports on the GEIUA/GEIUB/GEIUP/GEIUT panel.
Table 1 Ports
on the GEIUA/GEIUB/GEIUP/GEIUT panel
|
||
Port
|
Function
|
Port
|
| E1/T1 (0-7) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 0-7 | DB44 |
| E1/T1 (8-15) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 8-15 | DB44 |
| E1/T1 (16-23) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 16-23 | DB44 |
| E1/T1 (24-31) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 24-31 | DB44 |
| 2M0 and 2M1 | Output ports for the 2.048 MHz clock signals, used to export the extracted line clock for system reference | SMB male connector |
| TESTOUT | You can modify the register value to obtain different test clock signals. By default, the 2.048 MHz clock signals are the outputs from this port. | SMB male connector |
Ports on the GEIUA/GEIUB/GEIUP/GEIUT(EIUa) Panel
The physical boards of the GEIUA, GEIUB, GEIUP, and GEIUT are the same. After being loaded with different software, the physical boards perform different functions. These boards have the same ports. Of the seven ports, four ports are labeled E1/T1, one 2MO, one 2M1, and one TESTOUT.Table 1 describes the ports on the GEIUA/GEIUB/GEIUP/GEIUT panel.
Table 1 Ports
on the GEIUA/GEIUB/GEIUP/GEIUT panel
|
||
Port
|
Function
|
Port
|
| E1/T1 (0-7) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 0-7 | DB44 |
| E1/T1 (8-15) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 8-15 | DB44 |
| E1/T1 (16-23) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 16-23 | DB44 |
| E1/T1 (24-31) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 24-31 | DB44 |
| 2M0 and 2M1 | Output ports for the 2.048 MHz clock signals, used to export the extracted line clock for system reference | SMB male connector |
| TESTOUT | You can modify the register value to obtain different test clock signals. By default, the 2.048 MHz clock signals are the outputs from this port. | SMB male connector |
GEIUB
The GEIUB is the GSM E1/T1 Interface Unit for the Abis interface. It can be installed in slots 18-27 in the GMPS/GEPS. The GEIUB can be configured in pairs and work in active/standby mode.GEIUP
The GEIUP is the GSM E1/T1 Interface Unit for the Pb interface. It can be installed in slots 14-15 in the GMPS/GEPS. The GEIUP can be configured in pairs and work in active/standby mode.GEIUT
The GEIUT is the GSM E1/T1 Interface Unit for the Ater interface. It can be installed in slots 16-17 in the GMPS/GEPS and in slots 14-17 in the GTCS. The GEIUT can be configured in pairs and work in active/standby mode.GOIUA
The GOIUA is the GSM Optic Interface Unit for the A interface. It can be installed in slots 18-25 in the GMPS/GEPS/GTCS. The GOIUA can be configured in pairs and work in active/standby mode.Functions of the GOIUA
The GOIUA enables the STM-1 transmission on the A interface.The GOIUA performs the following functions:
- Provides one STM-1 port, which is used for TDM transmission
- Provides Automatic Protection Switching (APS) function to enable switchover between the optical channel links of the active and standby boards.
- Provides one channelized STM-1 port with the data rate of 155.52 Mbit/s
GOIUB
The GOIUB is the GSM Optic Interface Unit for the Abis interface. It can be installed in slots 18-27 in the GMPS/GEPS. The GOIUB can be configured in pairs and work in active/standby mode.GOIUP
The GOIUP is the GSM Optic Interface Unit for the Pb interface. It can be installed in slots 14-15 in the GMPS/GEPS. The GOIUP can be configured in pairs and work in active/standby mode.GOIUT
The GOIUT is the GSM Optic Interface Unit for the Ater interface. It can be installed in slots 16-17 in the GMPS/GEPS and in slots 14-17 in the GTCS. The GOIUT can be configured in pairs and work in active/standby mode.GGCU
The GGCU is the general clock unit of the BSC. Two GGCUs should be installed in slots 12-13 in the GMPS and should work in active/standby mode.Functions of the GGCU
The GGCU provides synchronization clocks for the BSC.The GGCU performs the following functions:
- The GGCU traces, generates, and retains the synchronous clock signals.
- The standby GGCU traces the clock phase of the active GGCU. It also ensures that the clock phase is smooth when an active/standby switchover occurs.
Table
1 describes the ports on the GGCU panel.
Port
|
Function
|
Port
|
| CLKOUT 0 to CLKOUT 9 | Synchronization clock output port, used to provide the 8 kHz clock signals to the CLKIN port on the GSCU panel | RJ45 |
| COM0 and COM1 | Reserved | RJ45 |
| TESTOUT | Reserved | SMB male connector |
| TESTIN | Input port for testing external clock signals | SMB male connector |
| CLKLIN0 and CLKLIN1 | Synchronization clock input port, used to receive the 2.048 MHz clock signals or 2.048 Mbit/s code stream signals | SMB male connector |
GXPUM
The GXPUM is the GSM eXtensible Processing Unit for Main service in the BSC. It can be installed in slots 0-1 in the GMPS/GEPS and work in active/standby mode.Functions of the GXPUM
The GXPUM processes the primary services of the BSC.The GXPUM performs the following functions:
- Provides paging control
- Provides System Information management
- Provides channel assignment
- Provides BTS public service management
- Provides voice call control
- Provides packet service control
- Provides handover control
- Provides power control
- Interfaces with the Cell Broadcast Center (CBC) on behalf of the BSC
- Stores cell broadcast messages
- Schedules cell broadcast messages, which are transmitted on the Cell Broadcast Channels (CBCHs)
- Processes signals according to the LAPD protocol
Table 1 describes the ports on the GXPUM/GXPUT/GXPUI panel.
Port
|
Function
|
Port
|
| 10/100/1000BASE-T0 to 10/100/1000BASE-T3 | Provides 10M/100M/1000M Ethernet ports | RJ45 |
GXPUT
The GXPUT is the GSM eXtensible Processing Unit for Transmission in the BSC and processes signals according to the LAPD protocol and SS7 MTP3 protocol. When the number of TRXs to be supported by the GMPS/GEPS is greater than 256, the GXPUT can be installed in slots 2-3 in the GMPS/GEPS and work in active/standby mode.Functions of the GXPUT
The GXPUT processes the signals according to the Link Access Procedure on the D channel (LAPD) protocol and the SS7 MTP3 protocol.The GXPUT performs the following functions:
- Processes signals according to the LAPD protocol
- Processes signals according to the SS7 MTP3 protocol
Table 1 describes the ports on the GXPUM/GXPUT/GXPUI panel.
Table 1 Ports
on the GXPUM/GXPUT/GXPUI panel
|
||
Port
|
Function
|
Port
|
| 10/100/1000BASE-T0 to 10/100/1000BASE-T3 | Provides 10M/100M/1000M Ethernet ports | RJ45 |
GXPUI
The GXPUI is the GSM eXtensible Processing Unit for Computation service in the BSC and implements the IBCA algorithm. It can be configured in slots 2-3 in the GMPS/GEPS and does not work in active/standby mode.Functions of the GXPUI
The GXPUI performs the following functions: Implements the IBCA algorithm.The GXPUI performs the following functions:
·
Implements the IBCA algorithm.
Table 1 describes the ports on the GXPUM/GXPUT/GXPUI panel.
Table 1 Ports
on the GXPUM/GXPUT/GXPUI panel
|
||
Port
|
Function
|
Port
|
| 10/100/1000BASE-T0 to 10/100/1000BASE-T3 | Provides 10M/100M/1000M Ethernet ports | RJ45 |
GFGUA
The GFGUA is the GSM Fast ethernet and Gigabit ethernet Unit for the A interface. It can be installed in slots 18-27 in the GMPS/GEPS. If the BSC need not process packet services, the GFGUA can be installed in slots 14-15. The GFGUA can work in active/standby mode and work independentlyFunctions of the GFGUA
The GFGUA enables the FE/GE transmission on the A interface.The GFGUA performs the following functions:
·
Provides IP routing
·
Provides the routing-based backup and load
sharing
·
Provides eight FE ports or two GE ports
logically, which are used for IP transmission
·
Provides Tributary Protect Switch (TPS) function
to enable switchover between the physical links of the active and standby
boards.
·
Supports virtual local area network (VLAN)
·
Supports the bidirectional forwarding detection
(BFD) of a single hop link
Table 1 describes the ports on the GFGUA/GFGUB/GFGUG panel.
Port
|
Function
|
Port
|
| FE | The 10/100 Ethernet ports are used to transmit 10/100 Mbit/s signals. | RJ45 |
| FE/GE | The 10/100/1000 Ethernet ports are used to transmit 10/100/1000 Mbit/s signals. | RJ45 |
| 2M0 | Reserved | - |
| 2M1 | Reserved | - |
GFGUB
The GFGUB is the GSM Fast ethernet and Gigabit ethernet Unit for the Abis interface. It can be installed in slots 18-27 in the GMPS/GEPS. If the BSC need not process packet services, the GFGUB can be installed in slots 14-15. The GFGUB can work in active/standby mode and work independently.GFGUG
The GFGUG is the GSM Fast ethernet and Gigabit ethernet Unit for the Gb interface. It can be installed in slots 14-15 in the GMPS/GEPS. The GFGUG can work in active/standby mode and work independently.GOGUA
The GOGUA is the GSM Optic Gigabit ethernet Unit for the A interface. It can be installed in slots 18-27 in the GMPS/GEPS. When the BSC need not process packet services, the GOGUA can also be installed in slots 14-15. The GOGUA can work in active/standby mode and work independently.Functions of the GOGUA
The GOGUA enables the GE transmission on the A interface.The GOGUA performs the following functions:
·
Provides two GE optical ports, which are used
for IP transmission
·
Provides Automatic Protection Switching (APS)
function to enable switchover between the optical channel links of the active
and standby boards.
·
Supports virtual local area network (VLAN)
·
Supports the bidirectional forwarding detection
(BFD) of a single hop link
Table 1 describes the ports on the GOGUA/GOGUB panel.
Port
|
Function
|
Port
|
| RX | Optical ports, used to receive and transmit optical signals. TX indicates the transmitting optical port and RX indicates the receiving optical port. | LC/PC |
| TX | ||
| 2M0 | Reserved. | - |
| 2M1 | Reserved. | - |
Parent topic: GOGUA
GOGUB
The GOGUB is the GSM Optic Gigabit ethernet Unit for the Abis interface. It can be installed in slots 18-27 in the GMPS/GEPS. When the BSC need not process packet services, the GOGUB can also be installed in slots 14-15. The GOGUB can work in active/standby mode and work independently.GEHUB
The GEHUB is the GSM E1/T1 High level Data Link Control Unit for the Abis interface. It can be installed in slots 18-27 in the GMPS/GEPS. When the BSC need not process packet services, the GEHUB can also be installed in slots 14-15. The GEHUB can work in active/standby mode and work independently.Functions of the GEHUB
The GEHUB enables the E1/T1 transmission on the Abis interface.The GEHUB performs the following functions:
·
Provides four E1/T1 electrical ports, which are
used for HDLC/Hub BTS transmission
·
Provides Tributary Protect Switch (TPS) function
to enable switchover between the physical links of the active and standby
boards.
·
Transmits and receives 32 E1/T1 signals, and
encodes and decodes the E1/T1 signals (The E1 transmission rate is 2.048 Mbit/s
and the T1 transmission rate is 1.544 Mbit/s.)
Ports on the GEHUB/GEPUG(PEUa) Panel
The physical boards of the GEHUB and GEPUG are the same. After being loaded with different software, the physical boards perform different functions. These boards have the same ports. Of the six ports, four ports are labeled E1/T1, one 2MO, and one 2M1.Table 1 describes the ports on the GEHUB/GEPUG panel.
Port
|
Function
|
Port
|
| E1/T1 (0-7) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 0-7 | DB44 |
| E1/T1 (8-15) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 8-15 | DB44 |
| E1/T1 (16-23) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 16-23 | DB44 |
| E1/T1 (24-31) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 24-31 | DB44 |
| 2M0 | One of the two clock signal output ports, used to extract the 2 MHz line clock signals from the upper-level devices, send them to the GGCU, and take them as the system clock source. | SMB male connector |
| 2M1 | One of the two clock signal output ports, used to extract the 2 MHz line clock signals from the upper-level devices, send them to the GGCU, and take them as the system clock source. | SMB male connector |
GEPUG
The GEPUG is the GSM E1/T1 Packet Unit for the Gb interface. It can be installed in slots 14-15 in the GMPS/GEPS. The GEPUG can work in active/standby mode and work independently.Functions of the GEPUG
The GEPUG enables the E1/T1 transmission on the Gb interface.The GEPUG performs the following functions:
·
Provides four E1/T1 electrical ports, which are
used for FR transmission
·
Provides Tributary Protect Switch (TPS) function
to enable switchover between the physical links of the active and standby
boards.
·
Transmits and receives 32 E1/T1 signals, and
encodes and decodes the E1/T1 signals (The E1 transmission rate is 2.048 Mbit/s
and the T1 transmission rate is 1.544 Mbit/s.)
Ports on the GEHUB/GEPUG(PEUa) Panel
The physical boards of the GEHUB and GEPUG are the same. After being loaded with different software, the physical boards perform different functions. These boards have the same ports. Of the six ports, four ports are labeled E1/T1, one 2MO, and one 2M1.Table 1 describes the ports on the GEHUB/GEPUG panel.
Table 1 Ports
on the GEHUB/GEPUG panel
|
||
Port
|
Function
|
Port
|
| E1/T1 (0-7) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 0-7 | DB44 |
| E1/T1 (8-15) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 8-15 | DB44 |
| E1/T1 (16-23) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 16-23 | DB44 |
| E1/T1 (24-31) | E1/T1 port, used to transmit and receive the E1/T1 signals on routes 24-31 | DB44 |
| 2M0 | One of the two clock signal output ports, used to extract the 2 MHz line clock signals from the upper-level devices, send them to the GGCU, and take them as the system clock source. | SMB male connector |
| 2M1 | One of the two clock signal output ports, used to extract the 2 MHz line clock signals from the upper-level devices, send them to the GGCU, and take them as the system clock source. | SMB male connector |
GDPUC
The GDPUC is the CS service processing unit in the BSC. When E1/T1 interface boards are installed in the GTCS, the GDPUC can be installed in slots 9 to 13. When STM-1 interface boards are installed in the GTCS, the GDPUC can be installed in slots 1 to 3 and slots 8 to 13.Functions of the GDPUC(DPUa)
The GDPUC processes voice services and data services.
lThe
GDPUC performs the following functions:
- Encodes and decodes voice signals
- Provides data service rate adaptation
·
Provides Tandem Free Operation (TFO) functions
When the calling and called MSs use one voice
coding scheme, the voice signals are encoded only once at the originating MS
and decoded only once at the terminating MS. This reduces repeated encoding and
decoding and improves the quality of speech services.
- Provides voice enhancement function
- Detects voice faults automatically
GDPUX
The GDPUX is the GSM Data Processing Unit for eXtensible services. It can be installed in slots 8-11 in the GMPS; slots 0-3, 8-13, and 14-27 in the GEPS; and slots 0-3, 8-13 in the GTCS.Functions of the GDPUX(DPUc)
The GDPUX processes voice services and data services.The GDPUX inherits all the functions of the GDPUC. It performs the following functions:
·
Provides format conversion for 3740 IP speech
paths and HDLC optimized speech paths as well as data forwarding
The GDPUX in the GMPS/GEPS performs the function
mentioned above in any of the following configuration modes: BM/TC combined, A
over IP and Abis over IP, or A over IP and Abis over HDLC.
·
Encodes and decodes the signals transmitted over
a maximum of 960 speech paths
The GDPUX in the GMPS/GEPS performs the function
mentioned above in any of the following configuration modes: BM/TC combined, or
A over IP and Abis over TDM. The GDPUX in the GTCS performs the function
mentioned above in the BM/TC separated configuration mode.
·
Provides Tandem Free Operation (TFO) function
When the calling and called MSs use one voice
coding scheme, the voice signals are encoded only once at the originating MS
and decoded only once at the terminating MS. This reduces repeated encoding and
decoding and improves the quality of speech services.
·
Provides voice enhancement function
·
Detects voice faults automatically
GDPUP
The GDPUP is the GSM Data Processing Unit for PS services. It can be installed in slots 8-13 in the GMPS/GEPS.Functions of the GDPUP(DPUd)
The GDPUP processes the packet services for the BSC.The GDPUP performs the following functions:
·
Processes the packet services on up to 1,024
simultaneously active PDCHs where signals are coded in MCS9
·
Processes packet links
·
Detects packet faults automatically
PFCU
The PFCU is the fan control unit. It is installed in the front of a fan box. Each fan box must be configured with one PFCU.Functions of the PFCU
The PFCU is used to monitor the fan box.The PFCU performs the following functions:
- Monitors the operating status of the fans and indicates the current status of the fan box through the LEDs
- Communicates with the GSCU and reports the working status of the fan box
- Detects the temperature of the fan box and collects temperature data through a temperature sensor
- Provides Pulse-Width Modulation (PWM) control signals for fan speed adjustment
- Reports the operating status and alarms of the fan box through the LEDs
PFCB
The PFCB is the fan control board. It is installed in the front of a fan box. Each fan box must be configured with one PFCB.Functions of the PFCB
The PFCB is used to monitor the fan box.The PFCB performs the following functions:
- Monitors the operating status of the fans and indicates the current status of the fan box through the LEDs
- Reports the operating status of the fan box and receives the instructions on adjusting the fan speed
- Adjusts the fan speed intelligently according to the temperature data collected by the temperature sensor
- Provides Pulse-Width Modulation (PWM) control signals for fan speed adjustment
- Reports the operating status and alarms of the fan box through the LEDs
No comments:
Post a Comment