Telecommunications Training portal

🔌 **Fiber Optic Connectors – Types & Applications**

Fiber optic connectors are used to connect optical fibers with network equipment, ODFs, patch panels, and transmission systems while maintaining accurate fiber alignment and low optical loss.

🔹 Common Fiber Optic Connectors:
• SC – Subscriber Connector
• LC – Lucent Connector
• ST – Straight Tip
• FC – Ferrule Connector
• MPO/MTP – High-density multi-fiber connector

📡 **Applications:** FTTH, DWDM, OTN, Data Centers, Telecom Networks & Fiber Backbones.

#FiberOptics #FiberOpticConnector #SC #LC #FC #ST #MPO #DWDM #OTN #FTTH #Telecom #Networking

1 month ago |[YT] | 9

Telecommunications Training portal

Fiber Splicing –

Fiber Splicing is the process of joining two optical fibers to create a continuous path for high-speed data transmission. In this video, we cover the basic fiber splicing process, including fiber preparation, stripping, cleaving, alignment, fusion splicing, and splice protection.

🔹 Fiber Optic Splicing
🔹 Fusion Splicing Process
🔹 Fiber Preparation & Cleaving
🔹 Optical Fiber Alignment
🔹 Splice Loss & Quality
🔹 FTTH / FTTx / Telecom Networks

#FiberSplicing #FusionSplicing #OpticalFiber #FiberOptic #FTTH #Telecom #FiberNetwork #NOC #Transmission

1 month ago (edited) |[YT] | 5

Telecommunications Training portal

The Microwave ODU is installed outdoors and is responsible for transmitting and receiving microwave radio signals between telecom sites.

#Microwave #ODU #MicrowaveRadio #Telecom #Telecommunications #Transmission #Backhaul #NOC

1 month ago |[YT] | 7

Telecommunications Training portal

RSSI

1 month ago |[YT] | 9

Telecommunications Training portal

CSU = Control & Supervisory Unit

Ye rectifier system ke different modules ko monitor aur control karta hai:

🔋 DC Output Voltage monitoring — image mein approx. 52.2 V
⚡ Load Current monitoring — image mein approx. 17.4 A
🔌 Rectifier modules ki status monitoring
🚨 Alarm monitoring — Power failure, rectifier fault, high/low voltage, overload etc.
🌡️ Temperature aur system parameters monitoring
🔄 Rectifier modules ko control/coordinate karna
📡 NMS/remote monitoring ke liye communication interface provide karna
⚙️ Battery charging/discharging status aur DC system health monitoring

2 months ago |[YT] | 8

Telecommunications Training portal

Understanding Key Performance Indicators (KPIs) is essential.
hashtag#2G (hashtag#GSM) KPIs
✅ CSSR – Call Setup Success Rate
✅ DCR – Drop Call Rate
✅ HOSR – Handover Success Rate
✅ TCH Congestion Rate
✅ SDCCH Congestion Rate
✅ Cell Availability
✅ RxLev (Signal Strength)
✅ RxQual (Signal Quality)

hashtag#3G (hashtag#UMTS) KPIs
✅ RRC Connection Success Rate
✅ RAB Setup Success Rate
✅ CS Accessibility
✅ PS Accessibility
✅ CSSR
✅ DCR
✅ Handover Success Rate
✅ RSCP (Signal Strength)
✅ Ec/No (Signal Quality)
✅ User Throughput

hashtag#4G (LTE) KPIs
✅ RRC Connection Success Rate
✅ E-RAB Setup Success Rate
✅ Attach Success Rate
✅ Handover Success Rate
✅ VoLTE CSSR
✅ VoLTE Drop Call Rate
✅ Cell Availability
✅ RSRP (Signal Strength)
✅ RSRQ (Signal Quality)
✅ SINR (Signal-to-Interference-plus-Noise Ratio)
✅ PRB Utilization
✅ CQI (Channel Quality Indicator)
✅ DL Throughput
✅ UL Throughput

2 months ago (edited) |[YT] | 3

Telecommunications Training portal

An RJ45 connector is the standard plug used to terminate Ethernet cables for wired computer networks.

Here are the basics:

RJ45 connector: An 8-pin (8P8C) modular connector that plugs into Ethernet ports on computers, routers, switches, and other networking devices.
Ethernet cable: The cable (such as Cat5e, Cat6, Cat6a, or Cat7) that carries network data. An RJ45 connector is attached to each end of the cable.
Common uses:
Connecting a computer to a router or switch.
Connecting gaming consoles, smart TVs, printers, and IP cameras to a network.
Providing fast and reliable internet access.
RJ45 pinout

An RJ45 connector has 8 pins arranged in a specific order. The two most common wiring standards are:

T568A
T568B

Both work the same electrically; the difference is the order of the colored wires. Most modern installations use T568B.

Ethernet cable categories
Cat5e: Up to 1 Gbps (100 m)
Cat6: Up to 10 Gbps (up to 55 m)
Cat6a: Up to 10 Gbps (100 m)

In short, RJ45 is the connector, while Ethernet is the networking technology and cable that uses the connector.

2 months ago |[YT] | 9

Telecommunications Training portal

Huawei RRU explained: For Telecom Engineers.

3 months ago |[YT] | 4

Telecommunications Training portal

Huawei RRU explained in English language

3 months ago |[YT] | 3

Telecommunications Training portal

Technical Component Description
1. Power Distribution Unit (PDU) & DC Input
PDU-1A and PDU-1B: Located at the top of the rack, these modules manage the dual power feeds to ensure hardware redundancy.
DC Power Input Terminal Blocks: Heavy-duty terminal blocks that feed raw DC power into the subrack system using blue and black power cables.
DC Power Indicators: Status LEDs and circuit breakers used to monitor input voltages and power line health.
2. Main Chassis (OptiX OSN 9800 M24 Subrack)
Subrack Identification: The central hardware frame is a Huawei OptiX OSN 9800 M24, a high-capacity OTN (Optical Transport Network) platform used for core data transmission.
Service Card Slots: Vertical slots housing various line cards, such as the Slot 3: N1SSN440 Service Card (400G/100G), which handles high-bandwidth optical signals.
Client-side Interfaces: Sub-modules containing optical transceivers (like SFP+/QSFP+) to connect external client networks such as STM-1, STM-4, or 10GE links.
3. Cabling & Cable Management
Fiber Optic Cords: The bright yellow cables running vertically represent Single-mode Fiber Cords used for transmitting high-speed laser signals across distances.
Management Cables: The grey Ethernet/serial cables connected to the lower-central cards act as a Dual-active pair, providing management path redundancy to the network controller.
Card Ejector/Extraction Handles: Located at the top and bottom of each blade card, these physical latches allow engineers to safely install or hot-swap modules without tools.
Status LED & Indicator Legend
Status Indicator (Green): Indicates that a specific circuit card or power feed is fully operational and healthy.
ACT (Active - Green): Shows which management or controller unit is currently active and controlling the subrack system.
ALM (Alarm - Amber/Red): Highlights active hardware faults, fiber disconnections, or voltage irregularities that require immediate maintenance.
#Networking
#NetworkEngineering
#DataCenter
#Telecom
#Telecommunications
#FiberOptics
#ITInfrastructure
#OpticalNetwork
#HuaweiNetwork

3 months ago |[YT] | 14