Questions tagged [router]

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What would cause a router CPU to run 44x slower? [closed]

I have a TP-Link Archer C9 V5 router. After a recent power outage it did not come back up, so I am now trying to see if I can fix it. Occasionally it will still manage to boot and work normally, I was ...
sasodoma's user avatar
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2 answers
45 views

New to PCB design: Does routing a wire on a 2nd layer underneath a pad connection effect cause a connection issue?

I am designing a pcb with minimal room approximately 5.5mm wide, the power supply comes from one end of the board. The top layer has pad connections that take up most of the width of the board leaving ...
J_KILEY76's user avatar
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0 answers
141 views

Untraceable datasheets of DC-DC buck converter (5 pin SOT23-5 IC) used in TP-LINK WiFi Router TL-WR720N V2

I am trying to search the datasheets of DC-DC buck converters used in the TP-LINK WiFi Router TL-WR720N V2. LD5AX and TR5XF A couple of years ago, an above mentioned router, belonging to one of my ...
Zahid's user avatar
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1 answer
183 views

Help me identify this unknown SMD transistor

Could you help me identify this transistor? I have searched every SMD code decoder and can't find the exact type of this transistor: It apparently has CCE1X written on it, and has a SOT-23-6 package ...
Nandosuke's user avatar
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1 answer
66 views

SMT component marked 1917C GM4YD identification

Does anyone recognise this SMT component marked 1917C GM4YG? It's in the power input circuit for a 12 V, 1.5 A DC external power supply in my ZTE MC801A 5G modem/router. The 5.5/2.1 DC socket was ...
Waldemar Bęben's user avatar
2 votes
0 answers
100 views

How can I add a USB port to my router? [closed]

I want to add a USB female adapter to my Xiaomi 4c router. It has 5V, 1 ampere input. I did some research on it. They say that I need to add a 15k ohm resistor to it. Here's the circuit diagram for ...
Riasaat's user avatar
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1 answer
50 views

Will I risk damaging my dual-band router if I use 2.4G antennas?

I lost the antennas to my dual-band wifi router (2.4G/5G). Do I risk damaging the router if I install 2.4G antennas?
jackson.c's user avatar
-1 votes
1 answer
86 views

Which resistor will reduce 5V 2.5A to 5V 2.3A in a parallel connection? For Chinese router [duplicate]

I am working on iot project, and I have a problem. There's a router mi 4c (Chinese version). It used to start working only from outlet adapter. I tried using powerbank, accumulator (with 12V to 5V ...
YGreater's user avatar
0 votes
1 answer
67 views

What does T designator means in PCB?

I know Tdesignator normally means transformer, however i found t9 and t10 connected to a routers USB data line from ground. They could have been diodes for protection but diode's designator is D I am ...
SAM's user avatar
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-3 votes
1 answer
944 views

Can I use a 5G antenna on my 4G router and get 5G speeds or do I need a 5G router [closed]

I have a Huawei B535 4G router at home. The SIM card sitting in it and the subscription also supports 5G. Will it be enough to just add an external antenna like this one: https://triax.com/shop/en/o5a-...
Niels Kristian's user avatar
0 votes
1 answer
129 views

Repair USB on ASUS router [closed]

I have the following problem: The USB 3.1 female input on a ASUS RT-AX58U router was mechanically damaged (blue plastic bar.) I had taken it to a repair shop. They gave it back, claiming it's ok now, ...
Artem S.'s user avatar
  • 109
1 vote
1 answer
116 views

Can I power a router that requires 12V-DC via a 5,5mm input by using a powerbank that can output 12V DC over USB [closed]

I have a powerbank that can output 5V-3A/9V-2A/12V-1,5A over USB. The router I would like to power came with a 12V-1A adapter and uses less than 12W. If I were to buy a USB to 5,5mm adapter cable, ...
Gerjan Eigenraam's user avatar
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0 answers
509 views

UPS for WiFi router (automatic switching between battery and DC adapter )

I want to make a UPS for a WiFi router. Following is the schematic I am thinking to implement. My idea is to implement the following: The input DC adapter will provide power to the two converter ...
Deba168's user avatar
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1 answer
410 views

Problem with using power bank for modem with dc dc booster

I want to run a modem that needs 12 volts with a power bank. I've used a DC-DC booster to increase the voltage of my power bank which is 5 volts up to 12 volts and there is no problem with that. After ...
pouya rahgozar's user avatar
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2 answers
786 views

Should I wire my CNC limit switches as NC or NO?

I built a CNC router about a year back and have had intermittent limit switch triggering for a good while. After doing everything I could to remove any EM interference from the system (run the signals ...
Max Peglar-Willis's user avatar
0 votes
1 answer
89 views

Could power cycling a modem 24 times a day for over 3 years (>30,000 times) cause the modem to lose its settings? [closed]

Could power cycling a modem 24 times a day with it being on for 10mins at a time for over 3 years (>30,000 times) cause the modem to lose its setting and revert to factory? This modem.
Josh Alton's user avatar
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0 answers
406 views

4g router not working after powering it with a 12V battery

I needed to power a Huawei router with a 12V power supply as this will be living in my garage where there is no power available. My current setup is a 12V car battery hooked up to a small fuse box. I'...
Sal's user avatar
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2 votes
0 answers
190 views

Home Router - How do routers use multiple antennas and MU-MIMO?

I have few practical questions regarding classic home routers like TP-Link Archer C2 or modern AX10. I welcome longer explanations if it's necessary. Which type of antennas do home routers use? Are ...
Terminus Technicus's user avatar
1 vote
1 answer
284 views

Relay not switching immediately if mains off to battery like UPS

Relay not switching immediately if mains off to battery like as backup power. I'm looking for zero cross SPDT relay switching for my project. please help. design is simple two power sources (mains and ...
Zoals's user avatar
  • 29
0 votes
2 answers
826 views

LED indicators intensity standards

I am trying to find any resources on the LED parameters (i.e. preferred intensity and luminosity ranges) that are used as indicators in various home appliances, such as Networked devices (i.e. routers)...
Łukasz Przeniosło's user avatar
3 votes
1 answer
307 views

Will this DC UPS with off-the-shelf components for home network and laptop work?

I am trying to build a DC UPS to power a modem and a router which have power requirements of 12 V, 2 A and a laptop which has power requirement of 20 V, 3.5 A. I am planning to use a AC to DC SMPS ...
rej's user avatar
  • 31
0 votes
1 answer
240 views

How does a router send different data to different devices simultaneously?

How does a WiFi router send different data to different devices at the same time? Since all devices connected to it pick up the same signal being emanated by the router, how do they get the data meant ...
Peter Kapteyn's user avatar
-1 votes
1 answer
1k views

What will happen, in my router, if I connect 9V, 0.85A Power adapter to a 12V, 1 A adapter slot? [closed]

I have NETLINK HG323RGW GPON ONT Router, it uses 12V,1A, AC-DC power adaptor. ( Power consumption ≤9W ) I also have TPLINK ADSL Router which uses 9V, 0.85A power Adapter. ( https://www.tp-link.com/...
IndiGo's user avatar
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1 vote
1 answer
123 views

How are LAN routers, WAN routers and eNodeBs connected to each other (TCP/IP)? [closed]

I'm new to telecommunication, and from what I understand, an user equipement is either connected to a LAN router or an eNodeB, and a LAN router is connected to a WAN router, and routers send the ...
qwerty_99's user avatar
  • 123
0 votes
1 answer
99 views

High bulk capacitance (100.000 uF) discharge time on Wifi router supply

I want a WiFi router, those supplied with 12V x 1~1.5A AC-DC wall adapter, to remain ON for a short time (maybe one second or a little more) after the AC mains gets its energy interrupted, when AC ...
abomin3v3l's user avatar
-1 votes
1 answer
249 views

How many routers can the Powerbank power and how long?

I have a power bank, Capacity: 27000mAh/99.9WH Input: 19V/1.6A AC output: 220V/50Hz 100w Max Router (MR600) Input: 100-240v 50/60hz 0.6A output 12v 1.5A
Daeng Isnoorfaris's user avatar
-2 votes
1 answer
288 views

What's the difference between ethernet and serial cable?

I am confused about the difference between ethernet and serial cable? Do they do different things or not? If so, what's the difference? Also, I would like to know the cable that is suitable for long-...
kunkung palakaung's user avatar
0 votes
0 answers
297 views

How to connect to the PCB of an Alcatel Linkhub HH40

I recently bought an Alcatel Linkhub HH40 4G router. Unfortunately, the web interface doesn't provide the functionality I was hoping for (e.g., automatically disabling the radio functionality over ...
user1252280's user avatar
0 votes
1 answer
122 views

How to extend router wire?

I have a router with 2m wire, and it would be really useful to extending it a little. I was thinking about cut in somewhere and add 2 'nipple' (not sure if proper word) to connect them with new 3m ...
Piotr Wójcik's user avatar
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0 answers
38 views

Connecting a 12v router to a 12v battery [duplicate]

can I connect a 12v router directly to a 12v battery which normally will be at 13-14v (because most of the time it’ll be charging)? The router is a TP LINK Archer MR200 rated at 12V 1A
FlavioM's user avatar
0 votes
1 answer
271 views

5 seconds power supply backup for 12V 0.5A router

My country has a problem with the mains electricity supply, which cuts off and comes back straight away. My router restarts every time that happens. What I like to know is: What would be the most ...
Autobot's user avatar
0 votes
0 answers
43 views

What happens if I use a 1A power supply in a router that requires 1.2A? [duplicate]

I have this d-link router, it's original power supply was 5V and 1.2A, but I found a 5V 1A supply. It is working, but does it represent a risk to use it? What could happen?
rafael.js's user avatar
  • 101
0 votes
3 answers
3k views

Powering a router with a USB power bank [duplicate]

I have a usb powerbank(w 1.1 & 2A outputs) and I would like to power a router since I have no access to a power source. My issue is the least I've seen routers rated for are 9v min. usually 12v. ...
user20554's user avatar
  • 101
3 votes
2 answers
1k views

UPS for home router [duplicate]

Sometimes we have power outages that last about 100 ms that are long enough to discharge capacitors inside router, when that happens we need to wait about 10-15 minutes for DNS, which is pretty ...
Oxmaster's user avatar
  • 157
0 votes
2 answers
464 views

Why do ADSL router capacitors bulge after a few months?

This commentator writes: if the modem is many years old, the capacitors can leak electrolyte and go out of spec and instead of just blocking the 'low notes' of a telephone conversation, it might ...
hawkeye's user avatar
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0 votes
0 answers
3k views

Arduino TTL level converters 5V -> 3.3V

I am trying to interface a WRT54G serial port directly with an arduino pro micro's hardware UART by connecting RX to TX and TX to RX between the devices. I have a simple code running on the arduino ...
qlesk's user avatar
  • 69
0 votes
4 answers
589 views

What is this amber like substance on capacitor and inductor?

What is the mysterious substance on the inductor and (failed) capacitor? What is its purpose, and how do I replace the failed capacitor with it there? The substance is hard and translucent, but I can ...
Commanderjsoc's user avatar
0 votes
2 answers
645 views

Questions on powering a router with 9V alkaline battery

I have a Linksys router which I want to power with batteries so it can be a portable router. The original power supply for the router is rated 12V DC 0.5A maximum. I've tried powering the router with ...
Xios's user avatar
  • 111
1 vote
2 answers
2k views

How to prevent eagle from attempting a specific route?

I'm using the eagle autorouter to route my PCB because it makes cleaner tracks than if I did it myself. One problem I have is that sometimes it insists on attempting to make the same connection over ...
user avatar
1 vote
1 answer
1k views

replacing ceramic capacitors in a wifi router [closed]

We had a thunderstorm a few days ago and our Asus DSL-N14U modem router stopped working. I opened it up and as far as I can see everything on the PCB is in good shape except two ceramic capacitors ...
Apache's user avatar
  • 31
0 votes
1 answer
97 views

Connecting 12v 1A device [duplicate]

I have a 12V 7Ah battery can I directly connect it to my device having rating 12v 1A? Will my device extract 2.25 amp current as it is betterys initial current or it will only extract 1 amp current. ...
Syed Faheem's user avatar
3 votes
1 answer
157 views

What punch down tool should I use on this ethernet jack?

As you can tell this does not have the vertical lines like a regular keystone jack. So i was wondering what punch down tool should i use? ...also what are these called?
fer's user avatar
  • 31
2 votes
2 answers
201 views

Bluetooth based Sensors to the Cloud, processor choice?

This is a pretty broad question, but I'm curious to hear how people would go about this and what parts they would use to do the heavy lifting. Imagine you had a bluetooth module, it works fine and ...
Sensors's user avatar
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