Telecom Applications Dataline and DC Signal Surge Suppressors
Last Updated: April 1, 2025
Description
Telecom Applications Dataline and DC Signal Surge Suppressors are devices designed to protect communication and data lines from voltage spikes and surges. These suppressors ensure that the signals transmitted over these lines remain intact and free from interference caused by electrical surges, which can be detrimental to sensitive electronic equipment.
Working Principle
Dataline and DC Signal Surge Suppressors operate by diverting excess voltage away from the protected lines and into the ground. This is typically achieved using components such as gas discharge tubes (GDTs) or metal oxide varistors (MOVs), which become conductive when a surge is detected, thereby shunting the excess energy away from the signal lines. This mechanism is crucial for maintaining the integrity of the signals and preventing damage to connected equipment, especially in environments prone to lightning strikes or other high-voltage events.
Applications
These surge suppressors are commonly used in various communication systems and DC power applications. Specific examples include protecting programmable logic controllers (PLCs), PLC networks, and computer circuits from high voltages. They are also used in communication devices such as modems, wireless LANs, cellular phones, and pagers to ensure uninterrupted service and data integrity.
Advantages over other Dataline and DC Signal Surge Suppressors
One of the key advantages of using these suppressors is their ability to protect multiple signal lines simultaneously, which is essential in complex communication networks. Additionally, the use of technologies like gas tube technology allows for the protection of several communication lines, offering a robust solution against high voltage surges.
Limitations
A notable limitation of these suppressors is their dependency on the correct specification matching for effective protection. If the suppressor's maximum surge current rating is not adequately matched to the predicted overcurrents, it may fail to protect the system effectively. Furthermore, while they provide excellent protection against high voltage surges, they may not be as effective against low-energy, high-frequency transients.
Considerations
When selecting a dataline or DC signal surge suppressor, it is important to consider factors such as initial costs, operating expenses, and durability. The initial cost can vary depending on the complexity and capacity of the suppressor. Operating expenses are generally low, but regular maintenance and replacement of components like GDTs may be necessary to ensure continued protection. Durability is a critical factor, as these devices must withstand repeated surges over their operational lifetime. Additionally, accuracy in selecting the appropriate suppressor for the specific application is crucial to avoid unnecessary replacements and ensure optimal performance.
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 2250-700 from Transtector is an outdoor style SPD that utilizes state of the art technology to protect critical equipment in protocol data networks while remaining transparent to data throughput. This surge protector provides effective... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from CITEL SURGE PROTECTION
CITEL's DLC series is a compact, stackable din rail surge protector designed to protect your sensitive PLC I/O signals in addition to telephone, datacom & other instrumentation equipment from harmful lightning surges and electrical transients. It combines a fast response time & high power... [See More]
- Application: Network Applications; Telecom. Applications
- Connection: Connection By Spring - Max. Cross Section 1.5 mm²
- Mounting: DIN Rail
- Standards: UL 497B Rating; UL
from MCG SURGE PROTECTION
The DLP H & HH series provides superior surge protection for data and signal line applications. Using higher capacity components, these units offer an improved level of reliability than other similarly priced products. To cover a broader range of applications, four different styles of protection... [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications; Audio & Video Applications; Medical Facilities; Computer Rooms; PLC I/O Ports, 4-20mA loops
- Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Connection: Screw Down Terminals; 0
from Schneider Electric Surge Protection
Retrofit ready, application flexibility, compact design, versatility [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications
- Mounting: Plug-in
- Technology: Metal Oxide Varistor
- Surge Current: 160000
from Surge Suppression Incorporated
12 and 24 Ciorcuit RJ45 Rackmount Series - UL497B Listed [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications
- Mounting: DIN Rail (optional feature); Device Mount; In-line or Integrally Attached
- Technology: Hybrid; Sidactor, Up to 100Mbs
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-1144 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/24V PoE protocol data networks while remaining transparent to data throughput. [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from CITEL SURGE PROTECTION
B180, B280 & B480 series wall mountable surge protectors have been designed to protect your sensitive telephone, datacom and instrumentation equipment against harmful lightning surges and electrical transients. [See More]
- Application: Network Applications; Telecom. Applications
- Mounting: Wall/Panel
- Technology: Gas Tubes; Hybrid; Diode
- Connection: Screw Down Terminals
from MCG SURGE PROTECTION
MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached; Plug-in
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Connection: RJ21X
from Surge Suppression Incorporated
Compact DIN Rail mountable [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications
- Mounting: DIN Rail; Device Mount; In-line or Integrally Attached
- Technology: Hybrid; Up to 100Mbs
- Connection: RJ11, RJ13 or RJ14 Phone Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-933 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/60V PoE protocol data networks, while remaining transparent to data throughput. [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from CITEL SURGE PROTECTION
The E280 concept is based on the use of plug-in modules to protect. telecom and data lines. The E280 line covers all multi-line telephone. (PBX) and data installation configurations: there is an E280 module that is suitable to support for every type data line and/or ac power line to 220Vac. [See More]
- Application: Network Applications; Telecom. Applications
- Mounting: Wall/Panel
- Technology: Gas Tubes; Hybrid; Diode
- Connection: Brass Male Pin
from MCG SURGE PROTECTION
MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; Device Mount; In-line or Integrally Attached; Plug-in
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Connection: Screw Down Terminals; Terminal Blocks or Punch down
from Surge Suppression Incorporated
RJ45 All 8 Pins Protected Series - UL497A Listed [See More]
- Application: Data Acquisition; Network Applications; Telecom. Applications
- Mounting: Device Mount; In-line or Integrally Attached
- Technology: Hybrid; Sidactor, Up to 100Mbs
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-859 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/90V PoE protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: 110 Punch Down Block
from CITEL SURGE PROTECTION
Citel DLA/DLA2 series DIN Rail mountable surge protectors have been designed to protect your sensitive telephone, datacom and instrumentation equipment against harmful lightning surges and electrical transients. [See More]
- Application: Telecom. Applications
- Connection: Screw Down Terminals
- Mounting: DIN Rail
- Operating Temp: -58 to 185
from MCG SURGE PROTECTION
MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]
- Application: Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); In-line or Integrally Attached
- Technology: Silicon Avalanche Diode; Gas Tubes; Hybrid
- Connection: RJ11, RJ13 or RJ14 Phone Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-934 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/90V PoE protocol data networks, while remaining transparent to data throughput. [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from MCG SURGE PROTECTION
MCG's rack-mount surge protectors (512H, 516H, etc.) are already internally con-. nected to the rack's metal framework. An additional ground wire is provided. for connection to the frame rack to insure continued excellent protection. [See More]
- Application: Telecom. Applications; Medical Facilities; Computer Rooms
- Mounting: Wall/Panel; DIN Rail (optional feature); In-line or Integrally Attached
- Technology: Silicon Avalanche Diode; Silicon Thyristor Diode; Hybrid
- Connection: RJ11, RJ13 or RJ14 Phone Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-887 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: 110 Punch Down Block
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-640 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: 110 Punch Down Block
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-656 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks; Screw Down Terminals
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-932 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/PoE+ protocol data networks, while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-580 from Transtector is an outdoor style SPD that utilizes state of the art technology to protect critical equipment in 2 Ethernet and 1 DC Pair protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks; Screw Down Terminals
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-656-1 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 100 Base-T Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks; Screw Down Terminals
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-935 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in Gigabit Ethernet protocol data networks, while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-998 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in Gigabit Ethernet/PoE Injector protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode; Gas Tubes
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-778 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in Gigabit Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: 110 Punch Down Block
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-1158 from Transtector is an outdoor style SPD that utilizes state of the art MOV/GDT technology to protect critical equipment in Gigabit Ethernet/PoE+ Injector protocol data networks while remaining transparent to data throughput. [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Metal Oxide Varistor; Gas Tubes
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) ALPU-L130 from Transtector is an outdoor style SPD that utilizes state of the art GDT technology to protect critical equipment in Gigabit Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Gas Tubes
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) DPR-B120 from Transtector is an indoor style SPD that utilizes state of the art GDT technology to protect critical equipment in Gigabit Ethernet PoE protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; DIN Rail; Rack
- Technology: Gas Tubes
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-971 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in Gigabit Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-959 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in Gigabit Ethernet/PoE++ protocol data networks while remaining transparent to data throughput. This surge... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
EMP protector (also known as HEMP/NEMP protector) HT-NO-ALPU-GBEP from Transtector is a specially designed high-performance surge protector that has been tested to the most extreme early time and intermediate time High Altitude Electromagnetic Pulse environment from MIL-STD-188-125. This EMP... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Government Facilities, Military Installations and Mobile Equipment, Backup Power Systems, Emergency Management Systems, First Responder Sites
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) ALPU-F140 from Transtector is an outdoor style SPD that utilizes state of the art SASD/GDT technology to protect critical equipment in Gigabit Ethernet/PoE++ protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel; Pole
- Technology: Silicon Avalanche Diode; Gas Tubes
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-613 from Transtector is an indoor CCTV style SPD that utilizes state of the art SASD technology to protect critical equipment in CCTV protocol data networks while remaining transparent to data throughput. This surge protector... [See More]
- Application: Network Applications; Telecom. Applications; Audio & Video Applications; Computer Rooms
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: Screw Down Terminals; Coaxial Cable Connectors (BNC, F Type etc.)
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-607-1 from Transtector is an indoor style SPD that utilizes state of the art SASD technology to protect critical equipment in CCTV PTZ protocol data networks while remaining transparent to data throughput. This surge protector... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: Screw Down Terminals; Coaxial Cable Connectors (BNC, F Type etc.)
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1101-805 from Transtector is an outdoor style SPD that utilizes state of the art SASD technology to protect critical equipment in 10/100 Base-T Ethernet/PoE+ protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: RJ41, RJ45 or RJ48 Data Jacks
from Transtector Systems, Inc.
Data surge protector (also known as SPD or lightning protector) 1100-988-1 from Transtector is an indoor style SPD that utilizes state of the art SASD technology to protect critical equipment in CATV Repeaters/Amplifiers protocol data networks while remaining transparent to data throughput. This... [See More]
- Application: Network Applications; Telecom. Applications; Computer Rooms; Control Lines and Sense Loops, Oil & Gas
- Mounting: Wall/Panel
- Technology: Silicon Avalanche Diode
- Connection: Wire Nut