RLH Industries T1 User Manual
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RLH Industries T1 User Manual

Single channel fiber link card system
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USER GUIDE
Single Channel T1
Fiber Link Card System
SYSTEM INSTALLATION INFORMATION
Description
The Single Channel T1 Fiber Link Card converts electrical/
copper T1(DS1) signals for transport over optical fiber. The
system can operate from T1 span power (60mA) or local
24/48VDC power. It has LED status and alarm output
indicators for system monitoring, and is temperature
hardened for use in extreme conditions.
All of the products in the RLH T1 Fiber Link family are
designed for the utmost quality and reliability. Typical
applications include high voltage GPR isolation, utility,
wireless backhaul, and military communications. RLH single
channel T1 systems are made in the USA and are covered by
our Limited Lifetime Warranty.
Key Features
•
Single-mode (up to 60km/37mi.) or Multimode (2km/1.2mi.)
fiber systems with either ST or SC fiber connector types.
•
Dual power capable, line or local 24/48VDC.
•
Simplex 60mA line powering from the T1 span
or HDSL NIU/RT unit.
•
Environmentally hardened to operate in -40°F to +158°F
(-40°C to +70°C) environments.
•
Compatible with 2 Channel DIN/Card and the Single Channel
DIN modules.
•
The same unit may be used at either end of the fiber system,
simplifying spares and ordering.
•
Loopback testing features.
•
B8ZS or AMI compatible.
•
NC/NO alarm contact for remote monitoring of system health.
•
DIN rail or wall mountable compact modules are available.
•
Use within or beyond customer premise environments.
•
Covered by our Limited Lifetime Warranty.
•
Made in the USA
RLH Industries, Inc.
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax 714 532-1885 • www.fiberopticlink.com
Single Channel T1 Fiber Link Card
Contents
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Compliance Information
The RLH Single Channel T1 Fiber Link Card System is
compliant with the following industry standards:
•
FCC PART-15
•
FCC PART-68B
•
GR-1089
•
IEEE-487
•
IEEE-1590
•
Motorola R56
The leader in
rugged fiber optic
technology.
U-066 2019A-0805
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Summary of Contents for RLH Industries T1

  • Page 1: Table Of Contents

    Single Channel T1 Fiber Link Card indicators for system monitoring, and is temperature hardened for use in extreme conditions. Contents All of the products in the RLH T1 Fiber Link family are Description and Key Features ___________ designed for the utmost quality and reliability. Typical...

  • Page 2: General Safety Practices

    Never install during a lightning storm or where unsafe high voltages are present. • Active T1 lines carry high DC voltages up to 130V. Use caution when handling T1 wiring. • Active HDSL lines carry high DC voltages up to 210V. Use caution when handling HDSL wiring.

  • Page 3: Application

    Below are sample system diagrams illustrating typical T1 connections to and from the system. On the CO (Central Office) side, the Single Channel T1 system may be powered by a single T1 line carrying span power, or optionally by a local power source. The SUB side requires a local power source for operation.
  • Page 4 (Alarm Indication Signal) detection Power Indicator T1 Line Connector Alarm Connection Terminal Local Power Connection Terminal Single Channel T1 Fiber Link Card 
 Front Panel Layout RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax 714 532-1885 • www.fiberopticlink.com Page " 4...

  • Page 5: Installation

    You will need a T1 analyzer such as a T-BERD and a multimeter Be familiar with the test settings. Some analyzers have line power and multimeter capability. For installation where no T1 signal is available, the analyzer must be capable of generating a T1 signal. "...
  • Page 6 Line Powering The Single Channel T1 card can be line powered via 60mA simplex current on the T1 line. When an HDSL or T1 NIU is placed at the CO side of the Fiber Link it must provide span-through line power to the T1 fiber interface card.
  • Page 7 Copper wiring requirements Copper wiring to the T1 cards The connectors on the T1 cards are designed for specific wire sizes and mechanical connections at the terminals. • Use 22~24AWG solid copper wire • Stripping length: 8mm • Connector tightening torque: 0.5~0.6 Nm. Do not over-tighten screw down wire terminals.

  • Page 8: Connections

    To local power, connect a 24-56VDC 60mA power source to the power terminal on the unit. The cards are polarity insensitive to the DC input power source. To span power the SUB side module you must have a minimum of one 60mA simplex current source on the T1 Send and Receive pairs on a working circuit.

  • Page 9: Switch Settings

    T1 Alarm Contact The Single Channel T1 System alarm contact allows you to monitor the health of your T1 Fiber Link system. If any of the below faults are present the alarm contact will revert to its normal state: •...

  • Page 10: Led Indicators

    The FIBR FRM (green) LED will remain ON as long as the fiber optic receiver stays in frame with the far end Single Channel T1 card. Only if there is a problem with the receive frame does the green LED turn yellow. When this LED does turn yellow then both of the Single Channel T1 end units will begin a system resynchronization.
  • Page 11 Alarm Indication Signal The AIS alarm (red) LED will be ON whenever a series of unframed all-ones are received at the input of the T1 LIU. This alarm indicates that equipment down the line from the T1 receiver has detected a loss of signal and is transmitting an unframed all-ones alarm signal.

  • Page 12: Niu Compatibility

    NIU Compatibility Check for compatible NIU systems that supply Span Through-Power to the Single Channel T1 Fiber Link cards. Contact RLH for T1 compatibility with systems not listed. Part Number Card " HDSL/T1 Span Through Power NIU Compatibility Chart Manufacturer...
  • Page 13 Non-polarity sensitive local power input via removable screw down terminal block Compatibility Compatible with RLH 1 & 2 Channel Fiber Link Card and DIN systems. Warranty Limited Lifetime Visit www.fiberopticlink.com for warranty details RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax 714 532-1885 • www.fiberopticlink.com Page " 1 3...

  • Page 14: Specifications

    Ordering Information Each Single Channel T1 Card is identified with a part number. Optics Description Distance Fiber Part Number 1T4-02-1 Multimode ST Single Channel T1 (CO/SUB) 2km/ 1.2 mi 62.5/50µm 1T4-01-1 Multimode SC Single Channel T1 (CO/SUB) 2km/ 1.2 mi 62.5/50µm...

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