Ericsson 3810 Cards

Front 1

The PRU is mainly responsible for

Back 1

overall system control and call processing

Front 2

The PRU can be made to work as an blank by applying the appropriate software

Back 2

operation and maintenance processor (OMP) / resource management processor (RMP) and CLP

Front 3

The PRU Controls the bus access from blank

Back 3

subordinate controllers

Front 4

The PRU Monitors the faults causing EMA - i.e. blank

Back 4

clock disconnection / watchdog time overflow

Front 5

When the PRU detects a fault causing EMA - it performs

Back 5

an ACT/SBY switchover

Front 6

The PRU Provides the data transmission interfaces between the PRU and the input-output controllers which are

Back 6

( HUBI / supervisory controller (SVC) / and communication controller (COC)

Front 7

The HUBI thus configures the blank

Back 7

multiprocessor system.

Front 8

The HUBI Assembles the sending frames into blank and sends them to the blank.

Back 8

ATM cells / hub

Front 9

The HUBI Disassembles the ATM cells received from the blank and generates blank

Back 9

HUB / frames

Front 10

The blank Controls the cell synchronization.

Back 10

HUBI

Front 11

The HUBI also checks a on the receiver frame at the time of frame reception. The CRC discards the frame if it detects an error.

Back 11

CRC

Front 12

The blank generates the system clock signals

Back 12

clock

Front 13

The Clock Generates the system clock pulses and the

Back 13

Multi Frame Pulses

Front 14

The CLOCK Distributes the clock signals and MFPs to the eRNC components via the

Back 14

C-LSM

Front 15

The SCC controls the blank

Back 15

SCSI bus

Front 16

The SCSI bus is connected to the input-output devices - i.e. to blank

Back 16

disks (DKs) and Digital Audio Tape (DAT) units

Front 17

What does the COC acronym stand for

Back 17

Communication Controller

Front 18

The COC offers the following 1 blank and 4 blank connections

Back 18

LAN / RS-232C

Front 19

With the COC LAN and RS-232C ports. In addition - the COC is connected to the blank facilities via the LAN and RS-232C interfaces

Back 19

OAM

Front 20

A HUB link to the MSCL established via the LAN interface. The COC thus enables

Back 20

local control

Front 21

What does the MIF acronym stand for ?

Back 21

Maintenance Interface

Front 22

Regarding the MIF The collected alarm information is forwarded to the

Back 22

SVC

Front 23

The MIF Provides the hardware control route by connecting to the OMC via

Back 23

CNV (CNV: RS-232C and LAN conversion).

Front 24

What does the DK acronym stand for?

Back 24

Disk

Front 25

What does the acronym DAT stand for ?

Back 25

Digital Audio Tape

Front 26

The blank Terminates four lines of the TAXI interface.

Back 26

Transparent Asynchronous Transmitter Receiver (TAXI) Interface

Front 27

The TINF Multiplexes blank streams of ATM cells into a single stream or blank a single stream of ATM cells into four streams

Back 27

4 / demultiplexes

Front 28

What does the acronym HUBCTL stand for?

Back 28

Hub Control

Front 29

The HUB Composes the hub by controlling the

Back 29

subordinate TINFs

Front 30

The HUB multiplexes and demultiplexes the blank on the hub and switches hem.

Back 30

ATM cells

Front 31

The HUB Accommodates an RS-232C interface to connect to the

Back 31

COC

Front 32

What does the acronym WCMP stand for?

Back 32

Wideband Composite/Decomposite

Front 33

The WCMP assembles-disassembles blank to or from the core network or Node B via E1-J1 or STM-1 lines offering a high throughput capacity.

Back 33

ATM composite cells

Front 34

THE WCMP card is of type indirect connection-backyard and can be configured in redundant mode (default for blank) or non-redundant mode

Back 34

Iu/Iur traffic

Front 35

The LSW acronym stands for?

Back 35

Line Switch

Front 36

The line switch performs

Back 36

switching of the ATM cells

Front 37

The LSW rovides a buffer to deal with the blank that are transferred over

Back 37

traffic bursts / E1 / J1 lines.

Front 38

The LSW controls

Back 38

congestion

Front 39

The LSW monitors

Back 39

traffic

Front 40

What does the WLSC stand for

Back 40

Wideband Line Switch Controller

Front 41

The WLSC carries a

Back 41

RISC processor

Front 42

The WLSC controls the

Back 42

ATM switch

Front 43

What does the TINF acronym stand for ?

Back 43

Trunk Interface

Front 44

A TINF card provides up to blank ATM lines. Up to blank number virtual paths (VPs) can be set up via one TINF card.

Back 44

four 155 Mbps / 512

Front 45

How many ports of the TINF car are available for the IuR

Back 45

4

Front 46

Regarding the IuR interface via TINF provide blank number VPs per STM-1

Back 46

15

Front 47

Regardign the trunk interface the Iub occupies how may ports

Back 47

2

Front 48

With the Iub how many VPs can be configured per STM-1 port

Back 48

256

Front 49

Each Node B can be connected via one or more VPs depending on the intended blank

Back 49

traffic load

Front 50

TINF cards can be configured as blank or blank

Back 50

single or duplicate

Front 51

"TINF cards can be configured as single or duplicated to support the following configurations of STM-1 links:

Back 51

Iu interface: redundant or non-redundant

Front 52

What does the CMUX acronym stand for ?

Back 52

Cell Multiplexer

Front 53

The CMUX performs the blank of ATM cells

Back 53

switching

Front 54

Multiplexes ATM cells into the 155 Mbps data stream - and demultiplexes ATM cells from the 155 Mbps data stream between the blank (i.e. blank) and the trunk cards

Back 54

ATM Switch / C-LSM

Front 55

What does the C1HWM acronym stand for ?

Back 55

C1 Highway Interface Multimode

Front 56

The C1HWM connects to the ATM switch (i.e. the C-LSM) via the blank. Blank number of cards are installed to provide duplicate redundancy. Each card is connected to both CMUX systems

Back 56

STM-1 interface / 2

Front 57

Whats does the MHC acronym stand for?

Back 57

MAC Header Handling Controller

Front 58

The MHC controls the blank offered by the MAC sub-layer of layer 2

Back 58

logical channels

Front 59

The logical channels support transparent and blank modes.

Back 59

unacknowledged transfer

Front 60

"The MHC terminates logical channels such as the

Back 60

Common Control Channels (CCCH) /

Front 61

The MHC Provides the MAC-C functionality via CCCHs - BCCHs and PCCHs. The MAC-C function maps logical channels to blank

Back 61

transport channels.

Front 62

The MHC creates blank messages and blank modifications

Back 62

paging and BCCH

Front 63

What does the DHT acronym stand for ?

Back 63

Diversity Handover Trunk

Front 64

The DHT performs what 2 general tasks related to radio link diversity and handovers:

Back 64

forwards orcoess / backwards process

Front 65

Explain what the backwards process is

Back 65

The DHT selects and combines the ATM cells that are transmitted from WCMPs on a user basis. The combined ATM cells are transmitted to the C-M2CM

Front 66

Explain what the forward process is

Back 66

The DHT copies the ATM cells that are transmitted from the C-M2CM. The original and copied ATM cells are transmitted to the WCMPs.

Front 67

What does the GMUX acronym stand for?

Back 67

GTP Packet Multiplexer

Front 68

The GMUX is used to

Back 68

transmit user plane packets between the eRNC and the SGSN

Front 69

A Permanent Virtual Circuit (PVC) connects the GMUX and the blank

Back 69

SGSN

Front 70

The GMUX Receives the user plane packets from the blank - assembles the packets on uplinks into a PVC - and transmits the packets to the blank via the PVC

Back 70

PRLC / SGSN

Front 71

The C-GTPM can accommodate up to 2 blank cards (redundant).

Back 71

GMUX

Front 72

The ANC acronym stands for?

Back 72

ATM Adaptation Layer for UNI/NNI Controller

Front 73

The ANC terminates the blank of the NNI that connects the eRNC to the MSC. The eRNC receives control signals from the MSC via the NNI interface

Back 73

Service-Specific Coordination Function (SSCF)

Front 74

The ANC also terminates blank that connects the eRNC to the Node B - and SSCF-NNI that connects the eRNC to its neighbor RNC and the eRNC to the MSC-SGSN

Back 74

SSCOP / SSCF-UNI

Front 75

The MFG acronym stands for

Back 75

Multi-Frame Generator

Front 76

The MFG serves as a

Back 76

master clock for mobile frame synchronization

Front 77

The MFG generates clock signals by synchronizing with the system clock signals received from the blank

Back 77

CLK

Front 78

The MFG distributes the generated blank to the eRNC cards. The clock signals are used for blank (Radio Frame Number synchronization).

Back 78

clock signals / mobile frame synchronization

Front 79

The M2C acronym stands for

Back 79

M2C

Front 80

The M2C receives signals from the blanks and terminates the Radio Link Control (RLC) of layer-2 as well as the C-plane (RRC) traffic for dedicated channels (DCCH).

Back 80

UEs

Front 81

The M2Calso terminates MAC -d (DCCH) - FP and blank protocols

Back 81

AAL2d

Front 82

The M2C provides blank for DCCH

Back 82

ciphering functions

Front 83

Each C-M2CM module can accommodate up to 12 blank

Back 83

M2C cards

Front 84

Each C-M2CM module can accommodate up to blank number M2C cards. Each M2C card supports a maximum of blank control channels

Back 84

12 / 1024

Front 85

What does the PRLC acronym stand for ?

Back 85

Packet Radio Link Controller

Front 86

The PRLC terminates both the RLC protocol of layer 2 and the blank protocol between the UE and the eRNC.

Back 86

PDCP

Front 87

The PRLC Terminates the Internet Protocol (IP) - the User Datagram Protocol (UDP) - and the General Packet Radio Service (GPRS) Tunnelling protocol-User (GTP-U) between the blank and blank .

Back 87

eRNC and the Serving GPRS Support Node (SGSN)

Front 88

The RPCL Monitors the traffic between the

Back 88

eRNC and the SGSN

Front 89

Each B-PRM can accommodate what number of PRLC cards

Back 89

8