RLH offers a broad selection of high-voltage isolation card systems, which are the safest, most reliable, and most versatile available today.

2 Wire POTS

2 Wire POTS

The 2 Wire POTS (Plain Old Telephone Service) system provides transmission of standard analog phone.

$980.00$1,600.00

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2 Channel POTS

2 Channel POTS

The 2 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.

$1,260.00$1,700.00

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4 Channel POTS

4 Channel POTS

The 4 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.

$1,620.00$2,060.00

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Single Channel T1

Single Channel T1

The Single Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.

$1,130.00$1,750.00

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2 Channel T1 Mux

2 Channel T1 Mux

The 2 Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.

$1,480.00$2,100.00

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4 Channel T1 Mux

4 Channel T1 Mux

The 4 Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.

$2,380.00$3,000.00

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4 Wire Analog Data

4 Wire Analog Data

The 4 Wire Analog Data fiber link card transmits a 600 Ohm voice frequency signal over fiber.

$1,090.00$1,710.00

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4 Wire Data with E&M

4 Wire Data with E&M

This system provides simultaneous transmission of 4-wire data and single or bidirectional E&M over two fibers.

$1,180.00$1,800.00

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Gigabit Ethernet SFP

Gigabit Ethernet SFP

The Gigabit Ethernet Card transmits a copper gigabit Ethernet signal over fiber and also includes integrated relay alarms to indicate fiber and copper link states.

$1,190.00

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10/100/1000 Ethernet

10/100/1000 Ethernet

The 10/100/1000 Fiber Link Card transmits a copper Gigabit Ethernet signal over Fiber.

$990.00$1,430.00

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10/100 Ethernet

10/100 Ethernet

The 10/100 Fiber Link Card transmits a copper Fast Ethernet signal over Fiber.

$910.00$1,350.00

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RS-232

RS-232

Transmits copper RS-232 serial data over fiber optic cable, supports full 9-PIN RS-232 applications.

$870.00$1,310.00

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RS-232 & 485/422

RS-232 & 485/422

The Serial Data Fiber Link Card transports two active channels of copper serial data over fiber optic cable.

$870.00$1,310.00

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4 Wire 56 Kbps DDS

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.

$1,220.00$1,840.00

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4 Channel Contact Closure

4 Channel Contact Closure

This system provides a transmission of up to four independent contact closure signals over one optical fiber.

$920.00$1,050.00

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8 Channel Contact Closure

8 Channel Contact Closure

This system provides a transmission of up to Eight independent contact closure signals over one optical fiber.

$1,050.00$1,180.00

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2 Wire POTS

2 Wire POTS

The 2 Wire POTS (Plain Old Telephone Service) system provides transmission of standard analog phone.

$980.00$1,600.00

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2 Channel POTS

2 Channel POTS

The 2 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.

$1,260.00$1,700.00

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4 Channel POTS

4 Channel POTS

The 4 Channel POTS Fiber Link Cards are fully featured and hardened for substation and critical application use.

$1,620.00$2,060.00

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Single Channel T1

Single Channel T1

The Single Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.

$1,130.00$1,750.00

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2 Channel T1 Mux

2 Channel T1 Mux

The 2 Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.

$1,480.00$2,100.00

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4 Channel T1 Mux

4 Channel T1 Mux

The 4 Channel T1 Fiber Link Card converts electrical/copper T1 signals and transports them over fiber.

$2,380.00$3,000.00

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4 Wire Analog Data

4 Wire Analog Data

The 4 Wire Analog Data fiber link card transmits a 600 Ohm voice frequency signal over fiber.

$1,090.00$1,710.00

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4 Wire Data with E&M

4 Wire Data with E&M

This system provides simultaneous transmission of 4-wire data and single or bidirectional E&M over two fibers.

$1,180.00$1,800.00

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Gigabit Ethernet SFP

Gigabit Ethernet SFP

The Gigabit Ethernet Card transmits a copper gigabit Ethernet signal over fiber and also includes integrated relay alarms to indicate fiber and copper link states.

$1,190.00

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10/100/1000 Ethernet

10/100/1000 Ethernet

The 10/100/1000 Fiber Link Card transmits a copper Gigabit Ethernet signal over Fiber.

$990.00$1,430.00

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10/100 Ethernet

10/100 Ethernet

The 10/100 Fiber Link Card transmits a copper Fast Ethernet signal over Fiber.

$910.00$1,350.00

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RS-232

RS-232

Transmits copper RS-232 serial data over fiber optic cable, supports full 9-PIN RS-232 applications.

$870.00$1,310.00

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RS-232 & 485/422

RS-232 & 485/422

The Serial Data Fiber Link Card transports two active channels of copper serial data over fiber optic cable.

$870.00$1,310.00

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4 Wire 56 Kbps DDS

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.

$1,220.00$1,840.00

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4 Channel Contact Closure

4 Channel Contact Closure

This system provides a transmission of up to four independent contact closure signals over one optical fiber.

$920.00$1,050.00

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8 Channel Contact Closure

8 Channel Contact Closure

This system provides a transmission of up to Eight independent contact closure signals over one optical fiber.

$1,050.00$1,180.00

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