Telecommunications Training portal
This is an educational channel related to Telecommunication so lets share the technical knowledge related to telecom field with each other.
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Telecommunications Training portal
A short summary for alarm scenarios of Metro & Long-haul Network. (Interview questions for fresh graduates).
#Metro
#longhaul
#PTN#DWDM#OTN
7 months ago (edited) | [YT] | 6
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Telecommunications Training portal
Special thanks to our Labour community on the occasion of Labour day . I faced a similar situation while working in a field job with our technicians and riggers , Rigger is one of the tough jobs with a lot of life risk & safety issues .I was also a part of the field team during the 2016-2022 tenure. There is no comfort zone in the field but I appreciate that still people are working hard 24/7 to feed their families.
8 months ago | [YT] | 6
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Telecommunications Training portal
Bandwidth is the maximum data transfer capacity of a network link or how much data can flow through a network at any given time.
#Bandwidth
@telecommunication training portal
8 months ago (edited) | [YT] | 7
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Telecommunications Training portal
OptiX OSN 1500 main Cards:
EFSO
CLX16 card (with 1 SFP module)
SMR
ETFB card (Ethernet service card)
D12S
PIU (Power Input Unit)
1. EFSO Card
Type: SDH Service Card
Function:
Provides STM-1 optical interfaces
Used for SDH (Synchronous Digital Hierarchy) transmission
Handles optical signal input/output
🔹 2. CLX16 Card (with 1 SFP module)
Type: Cross-Connect/Service Interface Card
Function:
Provides electrical cross-connect functions
The version with SFP allows for optical service interface
Can aggregate multiple E1/low-speed services and send them via an SFP-based STM link
.3. SMR Card
Full Form: Switch Mode Rectifier
Type: Power Module
Function:
Converts AC or DC input power into stable DC output power (usually -48V DC)
Supplies power to the system's internal components
Works in combination with the PIU (Power Input Unit)
4. ETFB Card
Type: Ethernet Service Card
Function:
Provides Fast Ethernet (FE) and Gigabit Ethernet (GE) interfaces
Used for packet-based services like IP/MPLS
Supports bridging Ethernet traffic into SDH or packet domains
🔹 5. D12S Card
Type: SDH Service Aggregation Card
Function:
Offers 12-port E1 electrical interfaces
Used to carry multiple E1 signals into the SDH system
Converts and maps low-speed signals to higher-speed SDH paths
🔹 6. PIU Card (Power Input Unit)
Type: Power Supply Card
Function:
Accepts external DC power input (commonly -48V)
Distributes regulated power to all boards in the OSN 1500
A critical part of system powering and protection
8 months ago | [YT] | 6
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Telecommunications Training portal
It's not easy to do a field job in Saudia Arabia especially in night time , You must have a strong heart. At sites first check the snakes around ,wear tight clothes & leather shoes . Keep stick or rode in your hand & then proceed for troubleshooting..😄
9 months ago | [YT] | 7
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Telecommunications Training portal
L1 (Physical Layer ) Link aggregation
9 months ago | [YT] | 5
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Telecommunications Training portal
Difference between single mode & multimode ?
One major difference|| Single mode is used for long-haul transmission & multimode is used for short distance metro Network. In our radio remote unit & Base band unit mostly we used single mode SFP.
9 months ago (edited) | [YT] | 13
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Telecommunications Training portal
Q: Why we used blue tip fiber connector over green tip?
Blue tip fiber connectors are commonly used in fiber optic communication systems, specifically for Single-Mode Fiber (SMF) connections. The blue color of the connector tip typically indicates that it is designed for use with single-mode fiber, which has a smaller core diameter ,But green tip connector give more loss over blue tip that is why blue tip connector is always preferred .
#Fiber connector
#SC
#LC
#FC
9 months ago | [YT] | 7
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Telecommunications Training portal
Success Starts with Teamwork, Integrity & Customer Focus!
Integrity ensures we uphold ethical standards and build lasting trust with clients and colleagues. Embracing a Growth mindset, Teamwork, and Customer focus fuels innovation and drives success, delivering value to both our organization and customers.
#integrity #teamwork #growthmindset #customerfocus#teamwork #growthmindset #customerfocus
10 months ago | [YT] | 2
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Telecommunications Training portal
Microwave link aggregation type
1 year ago | [YT] | 7
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