• Product
  • Suppliers
  • Manufacturers
  • Solutions
  • Free tools
  • Knowledges
  • Experts
  • Communities
Search


MENU

Pinout Sim Card

Description

A detailed guide to the pin configuration and function of standard SIM cards (including mini, micro, and nano variants).

Sim Card 

     ┌─────────────┐
     │ 1   5       │
     │ 2   6       │
     │ 3   7       │
     │ 4   8       │
     └─────────────┘

Connector at the card

Pin Configuration & Description

Pin Description
1 [VCC] +5V or 3.3V DC power supply input
Provides operating voltage to the SIM chip.
2 [RESET] Card reset, used to reset the card's communications (optional)
Sends a reset signal to restart communication protocol.
3 [CLOCK] Card clock
Synchronizes data transfer between the mobile device and SIM card.
4 [RESERVED] AUX1, optionally used for USB interfaces and other uses
Not used in standard GSM/UMTS/LTE SIMs; reserved for future or specialized applications.
5 [GND] Ground
Common ground reference for all signals.
6 [VPP] +21V DC programming voltage input (optional)
Used during manufacturing to program the SIM chip; not active in normal operation.
7 [I/O] Input or Output for serial data (half-duplex)
Bidirectional data line for exchanging information between the phone and SIM.
8 [RESERVED] AUX2, optionally used for USB interfaces and other uses
Reserved for future use or special applications such as smart card emulation.

Give a tip and encourage the author!
Recommended
More
Ethernet wiring(RJ-45)
Ethernet wiring(RJ-45)
Standard cable-EIA/TIA-5688(Top view) Standard cable-EIA/TIA-568A(Top view) Crossover cable-(Top view)
Pinout Ethernet with PoE
Pinout Ethernet with PoE
IEEE 802.3af using data pairs IEEE 802.3af using spare pairs Cisco (Old old standard) Apple Maclntosh AirPort PoE,Extreme 3Com AirConnect Alvarion VL
RJ-9,11,14,25,48
RJ-9,11,14,25,48
A complete guide to RJ-11, RJ-14, RJ-25, RJ-48, and RJ-9 connectors with color-coded diagrams and technical descriptions. RJ-48 – E1 and T1 Plug (8P8C) Connector Type: 8P8C (8 positions, 8 conductors) Color Code: Orange, Green, Blue, Brown, White, Black Application: Used in digital telecommunications for T1/E1 lines in carrier networks and PBX systems. Pin Functions: Each pair (1–2, 3–4, 5–6, 7–8) carries a separate tip and ring signal for high-speed data or voice channels. Standard: ANSI/TIA-568-B RJ-25 – 6P6C Plug Connector Type: 6P6C (6 positions, 6 conductors) Color Code: White, Black, Red, Green, Yellow, Blue Application: Designed for multi-line telephone systems supporting up to three independent phone lines. Pin Functions: Pairs (1–2), (3–4), and (5–6) each carry a separate line (Tip/Ring). Usage: Found in business telephony and legacy PBX installations. RJ-14 – 6P4C Plug Connector Type: 6P4C (6 positions, 4 conductors) Color Code: White, Black, Red, Green Application: Used for dual-line residential or office telephones. Pin Functions: Pins 1–2 for Line 1 (Tip/Ring), Pins 3–4 for Line 2 (Tip/Ring). Note: Compatible with standard RJ-11 jacks when only one line is used. RJ-11 – 6P2C Plug Connector Type: 6P2C (6 positions, 2 conductors) Color Code: White, Red Application: The most common connector for single-line analog telephone service worldwide. Pin Functions: Pin 1 = Tip (T), Pin 2 = Ring (R) – carries the voice signal and power for the phone. Compatibility: Widely used in home phones, fax machines, and modems. RJ-9 – 4P4C Plug (Inside the Handset) Connector Type: 4P4C (4 positions, 4 conductors) Color Code: Black, Red, Green, Yellow Application: Connects the handset to the telephone base, carrying microphone and speaker signals. Pin Functions: Pin 1 (Black): Ground / MIC return Pin 2 (Red): Microphone (MIC) Pin 3 (Green): Speaker (SPKR) Pin 4 (Yellow): Ground / SPKR return Internal Circuit: Often includes a ~500Ω resistor between MIC and SPKR to prevent feedback oscillation.
Pinout IO-Link
Pinout IO-Link
M5 (Class A), M8 (Class A), M12-4 (Class A), M12-5 (Class B).
About experts
Master Electrician
Master Electrician
Electrical Engineer
10Year<
China
Seek power experts and partners to explore grid and energy solutions.
Send inquiry
Download
Get the IEE Business Application
Use the IEE-Business app to find equipment, obtain solutions, connect with experts, and participate in industry collaboration anytime, anywhere—fully supporting the development of your power projects and business.
Google Play App Store HUAWEI XIAOMI VIVO OPPO Palm Store SAMSUNG
DownloadQr