RLH provides high voltage isolation through our Fiber Optic Link systems. Our card systems solutions are the safest, most reliable, and most versatile available today. We offer a wide selection of card types and chassis to fit the unique needs of Power Utilities and Telecommunication Service Providers.
Cards
2 Wire POTS
The 2 Wire POTS (Plain Old Telephone Service) system provides transmission of standard analog phone.
Single Channel T1
The Single Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.
2 Wire POTS Enhanced
The 2 Wire POTS System provides transmission of standard analog phone with Caller ID and Call Forward Disconnect.
2 Channel POTS
The 2 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.
4 Channel POTS
The 4 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.
2 Wire DID
The RLH 2-wire DID provides a fiber optic transmission of a Telco DID TRUNK line to a PBX over 2 optical fibers.
4 Wire T1/E1 - NEBS
The 4 Wire T1 Fiber Link Card converts an electrical/copper T1 signal and transports it over fiber.
2 Channel T1 Mux
The 2 Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.
4 Channel T1 Mux
The 4 Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.
4 Wire Analog Data
The 4 Wire Analog Data fiber link card transmits a 600 Ohm voice frequency signal over fiber.
4 Wire Data with E&M
This system provides simultaneous transmission of 4-wire data and single or bidirectional E&M over two fibers.
4 Wire Data with Dry Contact
The 4 Wire Analog Data fiber link card transmits a voice frequency signal with dry contact closure over fiber.
2 Wire Data
The 2 Wire Analog Data fiber link card provides a constant bidirectional transmission path in the VF range over fiber.
10/100/1000 Ethernet
The 10/100/1000 Fiber Link Card transmits a copper Gigabit Ethernet signal over Fiber.
10/100 Ethernet
The 10/100 Fiber Link Card transmits a copper Fast Ethernet signal over Fiber.
RS-232
Transmits copper RS-232 serial data over fiber optic cable, supports full 9-PIN RS-232 applications.
RS-232 & 485/422
The Serial Data Fiber Link Card transports two active channels of copper serial data over fiber optic cable.
4 Wire 56 Kbps DDS
The RLH 4 Wire 56k DDS Fiber Link cards transmits a high speed Digital Data Service (DDS) circuit over Fiber.
4 Wire 9.6 Kbps DDS
The RLH 4 Wire 9.6k DDS Fiber Link cards transmits a low speed Digital Data Service (DDS) circuit over Fiber.
4 Channel Contact Closure
This system provides a transmission of up to four independent contact closure signals over one optical fiber.
8 Channel Contact Closure
This system provides a transmission of up to Eight independent contact closure signals over one optical fiber.
HDSL (Universal)
The Universal HDSL system transmits one 2-pair HDSL1 or HDSL4 line, or up to two 1-pair HDSL2 lines over fiber.
2 Channel ADSL
The 2 Channel ADSL Fiber Link Card transmits two channels of ADSL copper service over fiber optic cable.
2 Wire Digital Phone
The 2 Wire Digital Phone Fiber Link Card transmits a PBX Digital Phone Line to a digital handset over Fiber.
DS3 (T3/E3)
DS3 T3/E3 Fiber Link Card converts standard coax T3 (44.736Mbps) or E3 (34.368Mbps) over fiber.
4 Channel 4~20mA / 0~10VDC
This Analog Signal Fiber Link System provides a transmission of up to four independent signals over fiber.
Card Housings
Fiber Link Card Housings - NEBS Level 3
5, 8, or 12 Card Housings can be rack or wall mounted are available with optional integrated power supply.
1RU SlimLine Rack Mount Housing
The 1RU SlimLine Rack Mount Housing is rack mountable and holds up to (2) Fiber Optic Link Cards.
2RU Rack Mount Housing
The 2RU SlimLine Rack Mount Housing is rack mountable and holds up to (4) Fiber Optic Link Cards.
Single Fiber Link Card Housing
The Fiber Link Card Housing is DIN rail or wall mountable and holds (1) Fiber Optic Link Card.
Dual Card Indoor/Outdoor Housing
The RLH Indoor/Outdoor Dual Fiber Link Card Housing is designed to hold (2) Fiber Optic Link Cards.
Enclosures
Aluminum Cabinets
RLH aluminum enclosures are powder coated light grey and highly resistant to corrosion.
Dual Access Galvanized Cabinets
These cabinets provide 2 separate, lockable cabinet sections in a single enclosure unit.
Small Fiberglass Cabinets
Small Fiberglass enclosures are for general applications where a full size cabinet would take up too much space.
Large Capacity Fiberglass Cabinets
Large Capacity Fiberglass enclosures are for general applications where generous amounts of space is required.
Semi-Buried Pedestal (Type-02)
The RLH Type-02 pedestal is a small footprint, Semi-Buried Pedestal.
Semi-Buried Pedestal (Type-03)
Pedestal enclosure includes plywood backboard covers with hex head self-locking system with padlock hasp.
Semi-Buried Pedestal (Type-07)
Pedestal enclosure includes plywood backboard covers with hex head self-locking system with padlock hasp.
D-Pad Fiberglass Platform
D-Pad platform is placed in front of or near high voltage apparatus to provide personal protection for workers.
Power Accessories
Power Over Fiber System (PoF)
This RLH patented Laser Power System provides a power source to remote locations over multi-mode fiber.
AC/DC 24V Wall Mount Power Supply
The 120W AC/DC power supply is a compact switching supply designed to convert AC power to regulated 24VDC power.
DC/DC Converter Card
The DC/DC Converter Cards provide an isolated 24VDC or 48VDC power source and fit into our various Card Housings.
2 Wire / 4 Wire Data Power Coupler
Boosts voltage on the signaling pairs for our 2 Wire & 4 Wire data Cards when telco provided voltage is too low.
2 Wire POTS Power Coupler
Boosts voltage on the voice pair for our 2 Wire POTS Cards, used when telco provided line and ring voltage is low.
Wall Mount DC/DC Converter
The Wall Mount DC/DC Converter takes in 12 to 125VDC and provides an isolated 12, 24 or 48VDC power source.
20W 24V Solar Power Supply
A power supply system - 20W 24VDC solar panel with 12AH regulated battery pack and charge controller.
55W 24V Solar Power Supply
A power supply system - 55W 24VDC solar panel with 34AH regulated battery pack and charge controller.
100W 24V Solar Power Supply
A power supply system - 100W 24VDC solar panel with 52AH regulated battery pack and charge controller.
