AudioCodes Mediant 1000B Assembly instructions

Hardware Installation Manual
Mediant™ 1000B MSBR
Multi-Service Business Router
SIP Protocol

Hardware Installation Manual Contents
MSBR Series 3 Mediant 1000B MSBR
Table of Contents
1Introduction....................................................................................................... 11
2Unpacking the Device ...................................................................................... 13
3Physical Description ........................................................................................ 15
3.1 Physical Dimensions..............................................................................................16
3.2 Front Panel Description..........................................................................................17
3.2.1 FXS Module ............................................................................................................18
3.2.1.1 Port Description.......................................................................................18
3.2.1.2 LED Description.......................................................................................18
3.2.2 FXO Module............................................................................................................19
3.2.2.1 Port Description.......................................................................................19
3.2.2.2 LED Description.......................................................................................19
3.2.3 BRI Module .............................................................................................................20
3.2.3.1 Port Description.......................................................................................20
3.2.3.2 LED Description.......................................................................................20
3.2.4 TRUNKS (E1/T1) Module .......................................................................................21
3.2.4.1 Port Description.......................................................................................21
3.2.4.2 LED Description.......................................................................................21
3.2.5 Media Processing Module (MPM)...........................................................................22
3.2.6 CRMX Module.........................................................................................................23
3.2.6.1 Port Description.......................................................................................23
3.2.6.2 LED Description.......................................................................................24
3.2.6.2.1 LAN LED................................................................................24
3.2.6.2.2 WAN Ethernet LED................................................................24
3.2.6.2.3 WAN SHDSL LED .................................................................24
3.2.7 Power Supply Module and LED Description...........................................................25
3.3 Rear Panel Description ..........................................................................................26
4Mounting the Device ........................................................................................ 27
4.1 Desktop Mounting ..................................................................................................27
4.2 19-inch Rack Mounting...........................................................................................28
4.2.1 Mounting in a 19-inch Rack using a Pre-Installed Shelf.........................................28
4.2.2 Mounting in a 19-inch Rack using Front Mounting Brackets..................................29
4.2.3 Mounting in a 19-inch Rack using Rear Mounting Brackets...................................30
5Cabling the Device ........................................................................................... 35
5.1 Grounding the Device.............................................................................................35
5.2 Connecting to WAN................................................................................................36
5.2.1 Gigabit Ethernet Copper Cabling............................................................................36
5.2.2 Optical Fiber Cabling ..............................................................................................36
5.2.3 SHDSL WAN Cabling .............................................................................................38
5.3 Connecting to LAN .................................................................................................39
5.4 Connecting to Analog Devices ...............................................................................40
5.4.1 Connecting to FXS Interfaces.................................................................................40
5.4.2 Connecting to FXO Interfaces.................................................................................41
5.4.3 Connecting the FXS Lifeline Phone........................................................................41
5.5 ISDN BRI Interfaces...............................................................................................43
5.5.1 Connecting to BRI Lines.........................................................................................43
5.5.2 Connecting the PSTN Fallback for BRI Lines.........................................................44
5.6 ISDN E1/T1 Interfaces ...........................................................................................45
5.6.1 Connecting to E1/T1 Trunks...................................................................................45

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5.6.2 Connecting the PSTN Fallback for E1/T1...............................................................46
5.7 Connecting the RS-232 Serial Interface to a Computer.........................................47
5.8 Connecting to Power..............................................................................................49
6Hardware Maintenance .................................................................................... 51
6.1 Installing and Replacing Modules...........................................................................51
6.1.1 Module Slot Assignment.........................................................................................51
6.1.2 Removing Kapton Tape before Installing Modules.................................................52
6.1.3 Special Instructions for Installing the Power Supply Module..................................53
6.1.4 Installing Modules into Previously Empty Front-Panel Slots ..................................53
6.1.5 Installing and Removing AMC-Based Modules on the Rear Panel........................54
6.1.5.1 Installing an AMC Module........................................................................54
6.1.5.2 Removing an AMC Module......................................................................54
6.1.6 Replacing I/O Modules on the Front-Panel Slots....................................................55
AOpen Solution Network Server Platform ........................................................ 57
A.1 OSN Server Offerings ............................................................................................57
A.2 OSN Server Modules Physical Description............................................................57
A.2.1 OSN3 Module..........................................................................................................58
A.2.1.1 Ports Description .....................................................................................58
A.2.1.2 LEDs Description.....................................................................................59
A.2.2 OSN4 Module..........................................................................................................61
A.2.2.1 Ports Description .....................................................................................61
A.2.2.2 LEDs Description.....................................................................................62
A.2.3 HDMX Module.........................................................................................................63
A.3 Installing an Operating System on the OSN Server...............................................64
A.3.1 Cabling OSN3 for Installing Operating System.......................................................64
A.3.2 Installing Linux on OSN4 ........................................................................................65
A.4 Connecting Remotely to OSN3 using Windows.....................................................66
A.4.1 Modifying the OSN3 IP Address.............................................................................66
A.4.2 Connecting through Remote Desktop.....................................................................67
BModule Hardware Revision Compatibility...................................................... 69

Hardware Installation Manual Contents
MSBR Series 5 Mediant 1000B MSBR
List of Figures
Figure 3-1: Front Panel..........................................................................................................................17
Figure 3-2: FXS Module.........................................................................................................................18
Figure 3-3: FXO Module........................................................................................................................19
Figure 3-4: BRI Module..........................................................................................................................20
Figure 3-5: TRUNKS Module.................................................................................................................21
Figure 3-6: Media Processing Module (MPM).......................................................................................22
Figure 3-7: CRMX Module (Example with WAN GbE) ..........................................................................23
Figure 3-8: Power Supply Module ........................................................................................................25
Figure 3-9: Rear Panel ..........................................................................................................................26
Figure 4-1: Location of Grooves for Rubber Feet..................................................................................27
Figure 4-2: Rear Mounting Brackets Attached to Rear Rack Posts......................................................31
Figure 4-3: Attaching Rear Mounting Bracket Flange to Chassis' Rear-Side Mounting Holes.............31
Figure 4-4: Sliding the Rear Mounting Flanges into the Rear Mounting Brackets................................32
Figure 4-5: Fastening Rear Mounting Flange to Rear Mounting Bracket..............................................32
Figure 4-6: Front Mounting Brackets Flush and Aligned with Front Rack Posts...................................33
Figure 5-1: Grounding the Device..........................................................................................................35
Figure 5-2: RJ-45 Connector Pinouts for WAN Ethernet.......................................................................36
Figure 5-3: Connecting the GbE WAN Port...........................................................................................36
Figure 5-4: Connecting the SFP Fiber Optic WAN Port ........................................................................37
Figure 5-5: Connecting the SHDSL WAN Port......................................................................................38
Figure 5-6: RJ-45 Connector Pinouts for LAN.......................................................................................39
Figure 5-7: Connecting to LAN Ports.....................................................................................................39
Figure 5-8: RJ-11 Connector Pinouts for FXS.......................................................................................40
Figure 5-9: RJ-11 Connector Pinouts for FXO ......................................................................................41
Figure 5-10: RJ-11 Connector Pinouts for Analog Lifeline....................................................................42
Figure 5-11: Cabling the Analog Lifeline ...............................................................................................42
Figure 5-12: Connecting BRI Ports........................................................................................................43
Figure 5-13: RJ-45 Connector Pinouts for BRI......................................................................................43
Figure 5-14: Cabling (Ports 1 and 2) PSTN Fallback............................................................................44
Figure 5-15: RJ-48c Connector Pinouts for E1/T1 ................................................................................45
Figure 5-16: Cabling E1/T1 Trunk Ports................................................................................................45
Figure 5-17: Cabling (Ports 1 and 2) PSTN Fallback............................................................................46
Figure 5-18: Orderable RS-232 Cable Adapter.....................................................................................47
Figure 19: Serial Connection with PC for CLI Communication..............................................................48
Figure 20: Connecting to Power............................................................................................................50
Figure 6-1: Module Chassis Slot Assignment........................................................................................51
Figure 6-2: Recommended Priority Module Slot Assignment (Example).............................................52
Figure 6-3: Kapton Tape Covering Module's Gold Finger....................................................................52
Figure 6-4: Incorrect Slot Insertion for Power Supply Module..............................................................53
Figure 6-5: Removing AMC Modules.....................................................................................................55
Figure 6-6: Module Orientation in Top and Bottom Chassis Slots ........................................................56
Figure A-1: OSN3 Module Ports............................................................................................................58
Figure A-2: RJ-45-to-DB-9 Serial Cable Adapter ..................................................................................59
Figure A-3: OSN3 Module LEDs............................................................................................................59
Figure A-4: OSN4 Module Ports............................................................................................................61
Figure A-5: OSN4 Module LEDs............................................................................................................62
Figure A-6: HDMX Module.....................................................................................................................63
Figure A-7: Cabling OSN3 Module for Installing Linux..........................................................................64
Figure A-8: Cabling OSN4 Module for Installing Linux..........................................................................65
Figure A-9: Cabling OSN3 Module for Remote Desktop Connection from PC with Windows XP........67
Figure A-10: Changing the PC's IP Address .........................................................................................68
Figure A-11: Entering IP Address in Remote Desktop Connection.......................................................68
Figure A-12: Entering User Name and Password in Remote Desktop Connection..............................68

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List of Tables
Table 3-1: Physical Dimensions ............................................................................................................16
Table 3-2: Front-Panel Description........................................................................................................17
Table 3-3: FXS Module LED Description...............................................................................................18
Table 3-4: FXO Module LED Description..............................................................................................19
Table 3-5: BRI Module LED Description................................................................................................20
Table 3-6: E1/T1 PRI TRUNKS Module LED Description.....................................................................21
Table 3-7: MPM LED Description..........................................................................................................22
Table 3-8: CRMX Module Port Description ...........................................................................................23
Table 3-9: LAN LED Description............................................................................................................24
Table 3-10: WAN Ethernet LED Description .........................................................................................24
Table 3-11: WAN SHDSL LED Description...........................................................................................24
Table 3-12: Power Supply Module LED Description .............................................................................25
Table 3-13: Rear-Panel Description ......................................................................................................26
Table 5-1: RJ-45 Connector Pinouts for SHDSL...................................................................................38
Table A-1: OSN Server Platforms..........................................................................................................57
Table A-2: OSN3 Module Port Description............................................................................................58
Table A-3: Gigabit Ethernet Interface (RJ-45) Connector Pinouts........................................................58
Table A-4: RS-232 Serial Cable Connector Pinouts..............................................................................59
Table A-5: OSN3 Module LEDs Description..........................................................................................59
Table A-6: OSN4 Module Port Description............................................................................................61
Table A-7: RJ-45 Connector Pinouts for Gigabit Ethernet Interface .....................................................62
Table A-8: OSN4 Module LEDs Description..........................................................................................62
Table A-9: HDMX Module LEDs Description.........................................................................................63
Table B-1: Module Compatibility............................................................................................................69

MSBR Series 7 Mediant 1000B MSBR
Hardware Installation Manual Notices
Notice
This Installation Manual describes the hardware installation for AudioCodes Mediant 1000B
Multi-Service Business Router (MSBR).
Information contained in this document is believed to be accurate and reliable at the time of
printing. However, due to ongoing product improvements and revisions, AudioCodes cannot
guarantee accuracy of printed material after the Date Published nor can it accept responsibility
for errors or omissions. Before consulting this document, check the corresponding Release
Notes regarding feature preconditions and/or specific support in this release. In cases where
there are discrepancies between this document and the Release Notes, the information in the
Release Notes supersedes that in this document. Updates to this document and other
documents as well as software files can be downloaded by registered customers at
http://www.audiocodes.com/downloads.
© Copyright 2016 AudioCodes Ltd. All rights reserved.
This document is subject to change without notice.
Date Published: August-17-2016
Trademarks
AudioCodes, AC, HD VoIP, HD VoIP Sounds Better, IPmedia, Mediant, MediaPack, What’s
Inside Matters, OSN, SmartTAP, VMAS, VoIPerfect, VoIPerfectHD, Your Gateway To VoIP,
3GX, VocaNOM and CloudBond 365 are trademarks or registered trademarks of
AudioCodes Limited All other products or trademarks are property of their respective
owners. Product specifications are subject to change without notice.
WEEE EU Directive
Pursuant to the WEEE EU Directive, electronic and electrical waste must not be disposed
of with unsorted waste. Please contact your local recycling authority for disposal of this
product.
Customer Support
Customer technical support and services are provided by AudioCodes or by an authorized
AudioCodes Service Partner. For more information on how to buy technical support for
AudioCodes products and for contact information, please visit our Web site at
www.audiocodes.com/support.
Abbreviations and Terminology
Each abbreviation, unless widely used, is spelled out in full when first used.
Throughout this manual and unless otherwise specified, the term device refers to the
Mediant 1000B MSBR.

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Related Documentation
Manual Name
SIP Release Notes
Mediant 1000B MSBR SIP User's Manual
MSBR Series CLI Reference Guide for System and VoIP Functionalities
MSBR Series CLI Reference Guide for Data Functionality
Notes and Warnings
Warning: Read and adhere to all warning statements in this document before installing
the device.
Warning: The device is an INDOOR unit and thus, must be installed only indoors. In
addition, FXS and Ethernet port interface cabling must be routed only indoors and must
not exit the building.
Warning: The device is supplied as a sealed unit and must be installed and serviced
only by qualified service personnel.
Warning: Disconnect the device from the mains and Telephone Network Voltage (TNV)
before servicing.
Caution Electrical Shock
Do not open or disassemble this device. The device carries high voltage and
contact with internal components may expose you to electrical shock and bodily
harm.
Note: Open source software may have been added and/or amended for this product. For
further information, please visit our website at: http://audiocodes.com/support or contact
your AudioCodes sales representative.

MSBR Series 9 Mediant 1000B MSBR
Hardware Installation Manual Notices
Regulatory Information
VoIP Gateway:
1. This equipment complies with Part 68 of the FCC Rules and the requirements adopted by
the ACTA. On the bottom of the unit or on the Interface card of this equipment is a label that
contains among other information, a product identifier in the format US:AC1IS00BM1KMIX or
US:AC1ISNANM1000 and ringer equivalence. If requested, this number must be provided to
the telephone company.
2. This equipment is designed to be connected to the telephone network using an RJ-48C
and/or RJ-11C connector, which is Part 68 compliant. The service order codes (SOC) are 6.0F
for digital interfaces and 9.0Y for analog interfaces and the Facility interface codes (FIC) are:
04DU9.1SN, 04DU9.1KN, 04DU9.BN, 04DU9.DN, 02LS2, O2GS2.
3. The REN is used to determine the number of devices that may be connected to a telephone
line. Excessive RENs on a telephone line may result in the devices not ringing in response to
an incoming call. In most but not all areas, the sum of RENs should not exceed five (5.0). To
be certain of the number of devices that may be connected to a line, as determined by the total
RENs, contact the local telephone company. For products approved after July 23, 2001, the
REN for this product is 0.01.
4. Should the product cause harm to the telephone network, the telephone company will notify
you in advance that temporary discontinuance of service may be required. If advance notice is
not practical, you will be notified as soon as possible. In addition, you will be advised of your
right to file a complaint with the FCC if it is necessary.
5. The telephone company may make changes in its facilities, equipment, operations or
procedures that could affect the operation of the equipment. If this happens, the telephone
company will provide advance notice in order for you to make necessary modifications to
maintain uninterrupted service.
6. If trouble is experienced with this equipment, for repair or warranty information please
contact AudioCodes Inc. 27 World's Fair Drive, Somerset, NJ 08873, Tel: [phone],
Fax: [phone]. If the equipment is causing harm to the telephone network, the
telephone company may request to disconnect the equipment until the problem is resolved.
7. Connection to Telephone Company Provided coin service is prohibited. Connection to party
lines service is subject to state tariffs.

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CRMX-SD Module (SHDSL)
1. The RMX module (CRMX-SD) complies with Part 68 of the FCC Rules and the requirements
adopted by the ACTA. On the bottom of the module is a label that contains among other
information, a product identifier in the format US:6npDLNANRMX. If requested, this number
must be provided to the telephone company.
2. This equipment is designed to be connected to the telephone network using an RJ-48C
connector, which is Part 68 compliant. The service order code (SOC) is 6.0F and the Facility
interface codes (FIC) is: 02LS2
3. Should the product cause harm to the telephone network, the telephone company will notify
you in advance that temporary discontinuance of service may be required. If advance notice is
not practical, you will be notified as soon as possible. Also, you will be advised of your right to
file a complaint with the FCC if it is necessary.
4. The telephone company may make changes in its facilities, equipment, operations or
procedures that could affect the operation of the equipment. If this happens the telephone
company will provide advance notice in order for you to make necessary modifications to
maintain uninterrupted service.
5. If trouble is experienced with this equipment, for repair or warranty information please
contact AudioCodes Inc., 27 World's Fair Drive, Somerset, NJ 08873, Tel: [phone],
Fax: [phone]. If the equipment is causing harm to the telephone network, the
telephone company may request to disconnect the equipment until the problem is resolved.
Connection to Telephone Company Provided coin service is prohibited. Connection to party
lines service is subject to state Tariffs.
Document Revision Record
LTRT Description
40812 Initial document release for Version 6.6.
40819 No operating system installed on OSN by default; FXO power surge warning added.
40880 SHDSL LEDs added.
40881 AC power cable warning (Japanese).
Documentation Feedback
AudioCodes continually strives to produce high quality documentation. If you have any
comments (suggestions or errors) regarding this document, please fill out the
Documentation Feedback form on our Web site at http://www.audiocodes.com/downloads.

Hardware Installation Manual 1. Introduction
MSBR Series 11 Mediant 1000B MSBR
1 Introduction
This document provides a hardware description of the Mediant 1000B MSBR (hereafter
referred to as device) and step-by-step procedures for cabling the device.
Note: For information on configuring the device, refer to the device's User’s Manual.

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Reader’s Notes

Hardware Installation Manual 2. Unpacking the Device
MSBR Series 13 Mediant 1000B MSBR
2 Unpacking the Device
Follow the procedure below for unpacking the carton in which the device is shipped.
To unpack the device:
1. Open the carton and remove the packing materials.
2. Remove the chassis from the carton.
3. Check that there is no equipment damage.
4. Ensure that in addition to the chassis, the package contains the following items:
•One or two AC power cables (depending on customer order)
•Four anti-slide bumpers for desktop installation
•Two-meter RS-232 DB-9 adaptor cable (for direct serial connection to PC)
5. Check, retain and process any documents.
If there are any damaged or missing items, notify your AudioCodes sales representative.

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Reader's Notes

Hardware Installation Manual 3. Physical Description
MSBR Series 15 Mediant 1000B MSBR
3 Physical Description
The device is a 19-inch, 1U high, industrial platform chassis. The chassis modular hardware
design allows scalability to capacity demands and required telephony interfaces to suite
your network environment.
The chassis can host the following replaceable modules:

Telephony interfaces (optional):
•Up to 4 digital Trunk modules, providing 1, 2, or 4 E1/T1/J1 PRI spans
•Up to 5 BRI modules, where each module provides 4 BRI ports
•Up to 6 FXS modules, where each module provides 4 FXS ports
•Up to 6 FXO modules, where each module provides 4 FXO ports
•Up to 3 MPM modules for media processing such as announcements and
conferencing

Ethernet and WAN interfaces, provided on the CRMX module:
•3 x Ethernet LAN 10/100/1000Base-T ports
•1 x WAN port, available in one of the following configurations, depending on
CRMX module type:
♦CRMX-C: RJ-45 port (4-twisted pair copper cabling) providing 1 Gigabit
Ethernet (GbE) interface
♦CRMX-S: 1000Base-SX optical fiber port (multi-mode fiber)
♦CRMS-L: 1000Base-LX optical fiber port (single-mode fiber)
♦CRMX-SD: SHDSL port (providing 4 SHDSL wire-pairs on a single physical
connector):

Optional, OSN server platform for hosting third-party applications, such as an IP PBX.

Fan Tray module

Up to two Power Supply modules
Note: Hardware configurations may change without notice. Currently available hardware
configurations are listed in AudioCodes Price Book. For further enquiries, please contact
your AudioCodes sales representative.

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3.1 Physical Dimensions
The device's physical dimensions are listed in the table below.
Table 3-1: Physical Dimensions
Item Description
Enclosure 1U chassis
Dimensions (H x W x D) 1U x 440 mm (17 in.) x 350 mm (14 in.)
Weight Approx. 52 kg (115 lbs) without modules - each module is
approx. 110 g (0.114 lbs)
Environmental Operational: 0 to 40°C (32 to 104°F)
Storage: -20 to 70°C (-4 to 158°F)
Relative Humidity: 10 to 85% non-condensing

Hardware Installation Manual 3. Physical Description
MSBR Series 17 Mediant 1000B MSBR
3.2 Front Panel Description
The device's front panel is shown in the figure below and described in the subsequent
table.
Figure 3-1: Front Panel
Notes:
•The figure above is used only as an example. The number and type of interface
modules depends on the ordered configuration.
•For module slot assignment, see Section 6.1.1 on page 51.
Table 3-2: Front-Panel Description
Item # Label/
Module Component Description
1 FXS FXS module – see Section 3.2.1 on page 18 for a description.
FXO FXO (or FXO G) module – see Section 3.2.2 on page 19 for a
description.
BRI BRI module – see Section 3.2.3 on page 20 for a description.
TRUNKS TRUNKS (E1/TE/J1) module – see Section 3.2.4 on page 21 for a
description.
2 MPM MPM module – see Section 3.2.5 on page 22 for a description.
3 CRMX CRMX module – see Section 3.2.6 on page 23 for a description.
4 - This slot is currently not used and is covered by a blank panel. In
the next applicable release this slot is intended to host a LAN
extension module (for more information, contact AudioCodes
sales representative).
5 Power 1 (Optional) Spare Power Supply module slot. The device can
provide two extractable power supply units (Power 1 and Power
2). Each power supply unit provides an AC power connector on
its rear panel. If both Power 1 and Power 2 units are used, the
load is shared between them. This (optional) load-sharing feature
enables power failure protection (redundancy). When using this
feature, you are advised to connect each power supply unit to a
different AC supply circuit.
6 Power 2 Main Power Supply module (see description above).

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Item # Label/
Module Component Description
7 Schematic Extractable Fan Tray module with a schematic displayed on its
front panel showing the chassis' slot numbers. The Fan Tray
module cools the device's components.
3.2.1 FXS Module
The FXS module provides the Foreign eXchange Subscriber (FXS) interfaces. Up to six
FXS modules can be installed in the device. Each FXS module can provide up to four FXS
interfaces and therefore, the device can support up to 24 FXS interfaces (i.e., 6 modules x
4 ports).
Note: The FXS modules support both loop-and ground-start signaling.
3.2.1.1 Port Description
Each FXS module provides up to four analog RJ-11 ports. The ports are labeled I, II, III,
and IIII.
Figure 3-2: FXS Module
3.2.1.2 LED Description
Each FXS port provides a LED for indicating operating status, as described in the table
below:
Table 3-3: FXS Module LED Description
Color State Description
Green On Phone connected to the port is off-hooked.
Blinking Phone connected to the port rings.
Red On Error - malfunction in line or out of service due to Serial
Peripheral Interface (SPI) failure.

Hardware Installation Manual 3. Physical Description
MSBR Series 19 Mediant 1000B MSBR
3.2.2 FXO Module
The FXO module provides the Foreign eXchange Office (FXO) interfaces. Up to six FXO
modules can be installed in the device. Each FXO module can provide up to four FXO
interfaces and therefore, the device can support up to 24 FXO interfaces (i.e., 6 modules x
4 ports).
Notes:
•The standard FXO module supports outdoor and indoor (lightning protection) loop-
start signaling. The FXO G module supports both loop- and ground-start signaling
(but only supports indoor protection).
•To enable ground-start signaling, use the ini file parameter GroundKeyDetection
(refer to the device's User's Manual).
3.2.2.1 Port Description
Each FXO module provides up to four analog RJ-11 ports. The ports are labeled I, II, III,
and IIII.
Figure 3-3: FXO Module
3.2.2.2 LED Description
Each FXO port provides a LED for indicating operating status, as described in the table
below:
Table 3-4: FXO Module LED Description
Color State Description
Green On Off-hooks the line toward the PBX.
Blinking Detects a ring signal from the PBX.
Red On Error - malfunction in line or out of service due to Serial
Peripheral Interface (SPI) failure.

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3.2.3 BRI Module
The BRI module provides the Integrated Services Digital Network (ISDN), Basic Rate
Interface (BRI) interfaces. Up to five BRI modules can be installed in the device. Each BRI
module can provide up to four BRI line interfaces and therefore, the device can support up
to 20 BRI interfaces (i.e., 5 modules x 4 ports).
3.2.3.1 Port Description
Each BRI module provides up to four analog RJ-45 ports. The ports are labeled I, II, III,
and IIII.
Figure 3-4: BRI Module
3.2.3.2 LED Description
Each BRI port provides a LED for indicating operating status, as described in the table
below:
Table 3-5: BRI Module LED Description
Color State Description
Green On Physical layer (Layer 1) is synchronized (normal operation).
Red On Physical layer (Layer 1) is not synchronized.
- Off Trunk is not active.