RLH Industries RLH 16 T1 User manual

RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com Page 1
USER GUIDE
RLH Industries, Inc.
RLH 16 T1 Over Gigabit Ethernet
Fiber Optic Multiplexer System
IP transport of 16 T1/E1, 5 GE and 1 SFP GE optical
over a single fiber
Introduction
As a cost effective solution for the traditional telecom services
migrating to IP packet networking technology, the 16 Channel
T1 over Ethernet (T1 over IP) adopts the innovative TDM over IP
technology, with IP circuit emulation that supports transporting
up to 16 T1/E1s, 5 GE electrical ports and 1 SFP GE optical
port. The GE uplink ports and user data ports are IEEE 802.3
compliant, 10/100/1000M auto-sensing Ethernet ports. This is
ideal for transporting T1/E1 over GE copper or fiber.
State-of-the-art design provides accurate timing signals and
data bit stream reconstruction. Predefined system parameter
profiles may be applied according to different application
requirements. This system is also suitable for connecting to
wireless equipment for rapid deployment of T1/E1 services.
Key Features
• 16 channels of E1/T1 over 1 Ethernet
• 5 GE TP ports and 1 GE optical port, all 6 GE ports may serve
as network uplinks or users ports
• I IEEE 8802.3, 802.1Q, 802.1P compliant
• Supports SNMP V1/V2 network management
• Supports Ethernet spanning tree protocol which enables protec-
tion in ring and mesh topology with fast recovery
• Supports cascade concatenation for more than 16 T1 ports
• Supports VLAN on Ethernet and T1 ports
• Dual redundant power supplies
• EIA 1RU 19” rack mount or shelf mountable
• Covered by our Exclusive Unconditional Lifetime Warranty
2010D-1001
Specifications subject to change without notice.
Contents
____________________________Introduction 1
___________________General Safety Practices 2
______________Special Handling Requirements 2
______________________________Acronyms 3
____________________________Applications 4
_____________________________Installation 5
__________________________LED Indicators 6
___________________________DIP Switches 7
__________________________T1 Connections 7
_____________________Ordering Information 8
__________________________Troubleshooting 9
___________________________Specifications 10
_____________________________Warranty 11
_______________________Technical Support 11
The leader in
rugged fiber optic
technology.
Unconditional
Lifetime Warranty
RLH-TG- 2C-1 T1 over Gigabit Ethernet
The leader in
rugged fiber optic
technology.
Unconditional
Lifetime Warranty
AH7D 8;47D
T1/E1   

General Safety Practices
Intended Audience
This guide is intended for use by knowledgeable telco/network installation, operation and repair
personnel. Every effort has been made to ensure the accuracy of the information in this guide is accurate.
However, due to constant product improvement, specifications and information contained in this
document are subject to change without notice.
Conventions
Symbols for notes, attention, and caution are used throughout this manual to provide readers with
additional information, advice when special attention is needed, and caution to prevent injury or
equipment damage.
The equipment discussed in this document may require tools designed for the purpose being described.
RLH recommends that service personnel be familiar with the correct handling and use of any installation
equipment used, and follow all safety precautions including the use of protective personal equipment as
required.
Caution - Severe Shock Hazard
• Never install during a lightning storm or where unsafe high voltages are present.
• Copper network wires may carry high DC voltages. Use caution when handling copper wiring.
Warning
The intra-building port(s) of the equipment or subassembly is suitable for connection to intrabuilding or
unexposed wiring or cabling only. The intra-building port(s) of the equipment MUST NOT be metallically
connected to interfaces that connect to the OSP or its wiring. These interfaces are designed for use as
intra-building interfaces only (Type 4 ports as described in GR-1089-CORE, Issue 4) and require isolation
from the exposed OSP cabling. The addition of Primary Protectors is not sufficient protection in order to
connect these interfaces metallically to OSP wiring.
Special handling requirements
Be careful when handling electronic components
ATTENTION
ELECTROSTATIC
SENSITIVE
DEVICES
• This product contains static sensitive components.
• Do not open the enclosure, there are no user serviceable parts.
• Follow proper electrostatic discharge procedures.
This product utilizes circuitry that can be damaged by static electricity. Before installing, discharge static
electricity on your body by physically making contact with earth ground. Failure to follow ESD precautions
may cause damage to the unit and prevent proper operation.
Page 2 RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com

Guidelines for handling terminated fiber cable
• Do not bend fiber cable sharply. Use gradual and smooth bends to avoid damaging glass fiber.
• Keep dust caps on fiber optic connectors at all times when disconnected.
• Do not remove dust caps from unused fiber.
• Keep fiber ends and fiber connectors clean and free from dust, dirt and debris. Contamination will cause signal loss.
• Do not touch fiber ends.
• Store excess fiber on housing spools or fiber spools at site
Acronyms
Commonly used acronyms and abbreviations
Acronym/Abbreviation
Description
UTP
Unshielded Twisted Pair (commonly used in Ethernet networks)
TP
Twisted Pair (same as UTP)
SFP
Small Form Factor Pluggable optical transceiver
TX
Transmit
RX
Receive
PWR
Power
LED
Light Emitting Diode
GRN
Green
ORG
Orange
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Applications
Network equipment in high voltage areas can be at risk due to Ground Potential Rise (GPR). A copper
network cable referenced to a remote ground can become a path for high voltages during a ground fault.
Use of all-dielectric fiber optic cable instead of copper completely eliminates the presence of a remote
ground, which dramatically increases safety of personnel and reliability of equipment. By utilizing fiber
optic cable, the 10/100/1000 Ethernet over fiber converter provides absolute electrical isolation between
both ends of the network.
Copper twisted pair Ethernet is limited to 100m/328ft without extenders. Using fiber optic cable provides
long distance service up to 80km/50mi. without any additional equipment. Optical fiber is immune to EMI/
RF interference, ground loops, and high voltage surges from lightning or ground faults, and is ideal in
electrically noisy environments such as near large power sources, electrical motors, and radio
communications equipment.
RLH-TG-2A-1
N*T1
FE/GE
PBX
BSC/RNC
TDM Mux
BTS/Node-B
N*T1 N*T1
N*T1
RLH-TG-2A-1
FE/GE
Typical Application in a Wireless Network
RLH-TG-2A-1
N*T1 FE/GE
PBX
BSC/RNC
TDM Mux
BTS/Node-B
N*T1 FE/GE
RLH-TG-2A-1 FE/GE
FE/GE
RLH-TG-2A-1
N*T1
N*T1
RLH-TG-2A-1
Metro/
Ethernet IP
Typical Application in a Wired Network
PBX/BSC/RNC
RLH-TG-2A-1 RLH-TG-2A-1
FIBER
CABLE
GPR 300V POINT
(GPR ZONE)
N*T1
COPPER
CABLE
FE/GE
HIGH VOLTAGE
TOWER OR
SUBSTATION
BTS/Node-B
Typical HVP Application
Page 4 RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com

Installation
Prior to installation:
• Check for shipping damage
• Check the contents to ensure correct model and fiber type
• Have a clean, dry, DIN rail or wall mount installation environment ready
Required for installation:
• 48V~72VDC or 100~240VAC local power source, depending on the power supplies used
Note: In order to maintain high voltage isolation, Units at each end must be powered from separate
isolated power sources.
Connect fiber optic cable
The 16x1 T1 System uses SFP optical modules. Remove the SFP dust cap and connect the fiber optic
cable to the transceiver.
Note: Fiber cable should always be routed loosely avoiding tight bends.
Connect Ethernet cable
The 10/100/1000M copper connection is made via the RJ45 port. The TP ports are auto-negotiating and
require no additional settings. Any or all of the TP ports may be used as upload or user ports, depending
on your network topology.
Connect Power
Check to make sure that the power switches on the power supplies are OFF before connecting power.
DC Power
Use the supplied DC power connector to supply power to the DC Power supply. Connect a local 48VDC
power supply to the power connector. The ground contact is a chassis ground, and must be connected
to prevent damage or injury during high voltage events.
Note: The power terminals are polarity sensitive. Attach the Positive DC wire to the V+ terminal.
AC Power
Connect a local 115~240VAC power supply to the power connector using the supplied AC power cord.
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com Page 5

LED Indicators
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2.2 Function Description
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2.4 Front panel
2.4.1 Front panel and Rear panel
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Front Panel
Indicator
Color
LED
Description
SYS
GRN
SYS
GRN
SYS
GRN
PWR FAIL
RED
PWR FAIL
RED
LINK
GRN
LINK
GRN
OLOS
RED
OLOS
RED
LINK
GRN
LINK
GRN
LINK
GRN
SPD
GRN
SPD
GRN
T1 1 ~ 8
RED
ON
System configuring or failure
Blinking
Normal system operation
OFF
System failure
ON
Power OFF/failure
OFF
Power normal
ON
Optical Ethernet port connected to remote device
OFF
Optical Ethernet port disconnected from remote device
ON
Optical Ethernet port receive failure
OFF
OPtical Ethernet port normal
ON
Ethernet TP port link OK
Blinking
Ethernet TP port link OK with activity
OFF
Ethernet TP port inactive
ON
Ethernet TP port speed is 1000M
OFF
Ethernet TP port speed is 10/100M
ON/OFF
T1 interface indicator has various states depending on the
DIP switch setting.
See DIP switch table for additional information
Page 6 RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com
Specifications subject to change without notice.

DIP Switches
Label
Switch
Number
Definition
Setting
LED
Description
Notes
LED_MODE
1
T1 packet loss alarm
indicator
LED_MODE
1
T1 packet loss alarm
indicator
LED_MODE
1
T1 packet loss alarm
indicator
LED_MODE
1
T1 signal alarm status
indicator
LED_MODE
1
T1 signal alarm status
indicator
LED_MODE
1
T1 signal alarm status
indicator
LED_MODE
2
Remote equipment
link status
Indicator
LED_MODE
2
Remote equipment
link status
Indicator
LED_MODE
2
-
NO_VLAN
3
Software VLAN
NO_VLAN
3
Software VLAN
TMP_IP
4
IP address setting
TMP_IP
4
IP address setting
ON
ON
Ethernet interface cannot receive T1
Only when DIP
switch 2 is set to OFF
will this setting be
valid.
ON
OFF
Ethernet interface has T1 packet loss
Only when DIP
switch 2 is set to OFF
will this setting be
valid.
ON
Blinking
Normal operation
Only when DIP
switch 2 is set to OFF
will this setting be
valid.
OFF
ON
T1 interface signal loss
Only when DIP
switch 2 is set to OFF
will this setting be
valid.
OFF
OFF
T1 interface signal AIS alarm
Only when DIP
switch 2 is set to OFF
will this setting be
valid.
OFF
Blinking
T1 interface signal loss
Only when DIP
switch 2 is set to OFF
will this setting be
valid.
ON
ON
Addressing remote MAC
ON
OFF
Not addressing remote MAC
OFF
-
Set according to DIP switch No. 1
ON
-
Software VLAN Disabled
Use caution not to
configureVLAN list
incorrectly or
management may be
disabled
OFF
-
SoftwareVLAN set is valid
ON
-
Default IP address 192.192.192.192
OFF
-
Manually set IP address
T1 Port Connections
There are 4 ports on each T1 module, and each port carries 2 T1 channels. The T1 port impedance is
120Ωfor twisted pair cables and uses RJ45 connectors. T1 adapter cables are included with each unit.
Refer to the pin out chart below.
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RJ-45 connector pin diagram
RJ-45 Pin
T1 Signal
Twisted Pair
Recommended Color
1
IN (1) –
2
IN (1) +
3
OUT (1) +
4
OUT (1) –
5
IN (2) –
6
IN (2) +
7
OUT (2) +
8
OUT (2) –
Pair
Blue
Pair
Blue White
Pair
Orange
Pair
Orange White
Pair
Green
Pair
Green White
Pair
Brown
Pair
Brown White
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com Page 7

Ordering Information
16 Channel T1 over Ethernet Multiplexer System
RLH - TG - X -1
Product Designation
Model Designation
Number of T1 Modules
1 = Single T1 Module (8 T1 Channels)
2 = Dual T1 Modules (16 T1 Channels)
3 = Single E1 Module (8 E1 Channels)
4 = Dual E1 Modules (16 E1 Channels)
Manufacturer
X
Powering Option
A = Dual 115VAC Power Supplies
V = Dual 48VDC Power Supplies
C = 115VAC and 48VDC Power Supplies
Optical SFP transceivers ordered separately, one SFP required per chassis.
SFP Optical Transceivers
Code
01
02
03
10
11
12
13
14
15
20
21
22
23
30
31
32
SC Connector 2km/1.25mi. range 20km/12.4 mi. range 40km/24.9 mi. range
60km/37 mi. range
LC Connector Single Fiber Bi-Directional Dual Fiber
80km/50 mi. range
Multimode Single Mode
C Side S Side Either Side
0.5km/0.3mi. range
RLH - SFP - XX -1
Product Designation
Model Designation
Configuration Code
Manufacturer
Bidirectional single fiber SFP systems require a “C” unit and an “S” unit for a complete system
Please contact your RLH sales representative for pricing and delivery information
Page 8 RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com

Replacement/Spare T1 modules
Manufacturer
RLH - XX
8 -1
Model Designation
Module Style
T1 = T1 Module (8 Channels)
E1 = E1 Module (8 Channels)
Channels Designation
Each T1/E1 Module has 8 Channels
Two T1/E1 modules may be installed into each chassis
Please contact your RLH sales representative for pricing and delivery information
Replacement/Spare Power Supplies
RLH - 16PS - XX -1
Product Designation
Model Designation
Manufacturer
Power Supply Configuration
AC = 115~240VAC Power Supply
DC = 48~72VDC Power Supply
Each chassis holds two power supplies
Please contact your RLH sales representative for pricing and delivery information
Troubleshooting
If trouble is encountered, verify all copper and fiber connections. Refer to the LED Indicators on of the
unit. They show availability of power, modes of operation, and data being received by the fiber and TP
ports.
If trouble persists, replace the unit and retest. If technical assistance is required, contact the RLH
Industries, inc. technical support department:
800-877-1672 (6 am to 6 pm- PST),
or call our 24/7 Technical/Customer Service: [phone] or [phone]
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com Page 9

General Specifications
Model
RLH-16T1-!P-01
16 T1
5 GE electrical ports
1 GE SFP optical port
Interfaces
IP Ports
5 GE electrical ports and 1 GE SFP optical port
Complies with IEEE 8802.3, 802.1Q, 802.1P
Speed and duplexing auto-negotiating or manual selectable
Interfaces
T1 Ports
16 T1 ports supported in 2 plug-in modules/B8ZS
Complies with G.703
Impedance: 120ΩE1 or 75ΩT1
NM Port
Same as IP Ports
Web server and SNMP management supported
Power
Supply
Pluggable dual power supplies
Power
Supply
2 - DC or 2- AC or DC+AC
Power
Supply
48V~72VDC@1A or 100~240VAC@1A
Power
Consumption
≤15W
Working Environment
Temperature
-4°F to +140°F (-20°C to +60°C)
Working Environment
Relative Humidity
≤90% non-condensing
Dimensions
W x H x D
17.3in. x 1.7in. x 9.1 (1RU) (440mm x 44mm x 231mm)
Page 10 RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com

Warranty
RLH is recognized throughout the U.S. and offers the only UNCONDITIONAL LIFETIME WARRANTY in
the telecommunications industry. We are very proud of our warranty which simply states that our Fiber
Optic Link Assemblies are warranted to be free of defects in material and workmanship for the LIFE OF
THE PRODUCT.
RLH will replace this product, or part thereof, if it fails FOR ANY REASON, provided the defective part is
returned to RLH Freight prepaid. This warranty is UNCONDITIONAL and valid even when this product has
been abused, mishandled, or damaged as a result of a natural disaster. This warranty will reduce your
costs and simplify your maintenance activities. Not all RLH products are covered by this warranty.
To make a warranty claim, or schedule repair or replacement of your RLH product, please
contact us for an RMA number. You will be promptly assisted by one of our warranty specialists. All
returns must have an RMA number before we can receive any items.
Technical Support
Normal technical support hours
(Mon - Fri 6am - 6pm PST)
Local [phone]
Toll Free [phone]
Toll Free (866) DO-FIBER
24/7 Technical support
[phone]
[phone]
Contact Information
Corporate Headquarters
RLH Industries, Inc.
936 N. Main Street
Orange, CA 92867 USA
Phone
Local [phone]
Toll Free [phone]
Toll Free (866) DO-FIBER
Fax
[phone]
Email
info@fiberopticlink.com
Web site
www.fiberopticlink.com
RLH Industries, Inc.
936 N. Main Street, Orange, CA 92867 USA
T: [phone]
F: [phone]
Please contact your RLH sales representative
for pricing and delivery information.
Specifications subject to change without notice.
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax [phone] • www.fiberopticlink.com Page 11