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Introduction

About the ShoreGear 90BRIV

The SG-90BRIV Voice Switch connects enterprise telephone extensions through an 
internal IP network, or to any central office (CO) ISDN BRI trunk line. The switch 
provides connectivity through:

•  Two RJ-45 local area network (LAN) connectors

•  Four RJ-45 ISDN BRI ports for connecting the switch to telephone company ISDN 

BRI lines

•  One RJ-21X port (male) for connecting the switch to a telephone company punch-

down block, patch panel, or 12-port harmonica connector

•  One DB-9 (female), RS-232C maintenance port (19200 bps, 8 bits, no parity, 1 stop 

bit, no handshake) for serial communications

•  One audio input port (3.5 mm stereo) for connecting to a music-on-hold source

•  One audio output port (3.5 mm stereo) for connecting to a corporate paging system 

or night bell

The ShoreGear 90BRIV Voice Switch package contains:

•  ShoreGear 90BRIV Voice Switch

•  Power cord

•  Stick-on feet for surface installation

•  Mounting Ears – attachable installation brackets

•  Cable retainer for the Telco cable (metal bracket with a Velcro strap)

Installation

Connections and Servicing

Mounting the ShoreGear Voice Switch on a Flat Surface

If you plan to mount the switch on a flat surface, first attach the provided rubber feet 
to the bottom corners of the device. You can stack up to three switches in a surface 
installation.

Installing the ShoreGear 90BRIV in a 19-inch Rack

The SG-90BRIV is placed in a 19-inch rack only by mounting a ShoreGear Dual Tray 
into the rack, then installing the SG-90BRIV into the Tray. 

Refer to the Quick Install Guide for the ShoreGear Dual Tray for Tray installation 
instructions and information on using the Tray.

Connecting Trunk and Telephone Lines

Optional Connections

Powering on the ShoreGear Voice Switch

After connecting the switch to the network, power on the device by connecting it to an AC 
power source.

1. 

Plug an AC surge protector (not provided) into a grounded AC power source.

2. 

Plug one end of the provided power cord into the receptacle on the back of the switch, then 
plug the other end into the AC surge protector.

The power LED flashes momentarily, and remains lit.

• 

If the LED is not lit, make sure the power cord is plugged into the switch and the power 
source. 

• 

If the LED continues flashing, there is an internal error. Unplug the switch to power it 
off, then power it back on. Refer to the “Configuring Switches” chapter in the ShoreTel 
Administration Guide for information on flash patterns, or contact the ShoreTel Support 
Services at http://www.shoretel.com.

The LAN ports auto-sense the network transport rate. When the network connection is 
established, the network LED indicates a transport rate of 10 Mbps or 100 Mbps, and whether 
the switch is receiving and transmitting data.

Once the ShoreGear 90BRIV Voice Switch is secured to a rack or surface-
mounted, you can connect it to the data network. Use an RJ-45 Ethernet cable to 
connect one or both of the LAN ports to the network subnet.

While both ports can detect and respond to link status, the switch uses only one 
LAN port at a time.

German: Einen Erdungsleiter anschließen

Um den elektrischen Sicherheitsanforderungen für eine korrekte Erdung 
nachzukommen, müssen Sie einen permanenten Erdungsschutz zwischen dem 
ShoreGear-Gerät und der Erde des Kabelsystems installieren.

1. 

Schließen Sie ein Erdungskabel (Nr. 14 AWG oder größer) an die Schraube an der 
Rückseite des Geräts an, die sich rechts neben dem Produktetikett befindet.

2. 

Schließen Sie das andere Ende des Erdungskabels an die Erde des Kabelsystems an.

VORSICHT:

 Schließen Sie immer zuerst den permanenten Erdungsschutz an, bevor Sie ver-

suchen, das Gerät an ein LAN-Segment und Telekommunikationsleitungen anzuschließen.

Connecting the ShoreGear Voice Switch to the Network

Default 

Switch

Audio Output Port 

(night bell)

Power 

LED

Network 

LEDs

RS-232C 

Maintentance 

Port

RJ-21X 

Telco Port

Status 

LED

Audio Input Port 

(music on hold)

Network 

LEDs

LAN

Connectors

BRI

LEDs

BRI

LEDs

BRI

Ports

BRI

Ports

Installation Equipment

To install the switch, you need the following equipment:

•  AC surge protector for the power connection

•  RJ-45 cables for connecting the switch to the local area network and telco lines

•  Music-on-hold source with a standard mini-headphone Y-adapter (optional)

•  Permanent earthing connector for grounding the device

•  RJ-21 telephone cable (female on end connected to ShoreGear voice switch) for 

analog port connections

•  RJ-21 to RJ-11 patch panel for connecting telephones and trunk lines

•  #1 Phillips screwdriver

Installation Location Requirements

To ensure optimum operating conditions for the SG-90BRIV voice switch, verify the 
operating environment is adequately ventilated, free of gas or airborne particles, and 
isolated from electrical noise.

Use the provided cable retainer to connect the voice switch to the telephone 
company’s punch-down block or patch panel.

1. 

Use a #1 Phillips screwdriver to remove the two screws on either side of the 
RJ-21X port, then place the retainer on the port and re-attach the screws.

2. 

Plug the Telco cable into the port, then pull the Velcro strap tightly around 
the cable connector and fasten it.

3. 

Connect the other end of the Telco cable to the punch-down block or patch 
panel.

4. 

Use RJ-45 cables to connect your ISDN BRI lines to the telco ports.

CAUTION:

 To reduce risk of fire, use only No. 26 AWG or larger (e.g., 24 

AWG) UL Listed or CSA Certified Telecommunication Line Cord

VORSICHT

: Um das Brandrisiko zu verringern, verwenden Sie nur Tele-

kommunikationsleitungen Nr. 26 AWG oder größer (z.B. 24 AWG) mit UL- 

oder CSA-Zulassung

For detailed information on switch port and trunk configuration, see the “Configuring 
Switches” and “Configuring Trunks” sections in the 

ShoreTel Administration Guide

.

After connecting the voice switch to the LAN, you can make optional 
connections, including input from a music-on-hold source or output to an 
internal paging system.

1. 

Connect a music-on-hold source (CD player or other audio source) to the 
audio input port.

2. 

Connect your site’s paging system to the audio output port.

German: Das ShoreGear Voice-Schaltgerät auf einer ebenen 

Oberfläche montieren

Wenn Sie planen, das Gerät auf einer ebenen Oberfläche zu montieren, befestigen Sie 
zunächst die mitgelieferten Gummifüße an den unteren Ecken des Geräts. (Bei einer 
Oberflächeninstallation können Sie bis zu drei Schaltgeräte übereinander stapeln.)

Attaching an Earthing Connector

To meet electrical safety requirements for proper grounding, you must connect a 
permanent earthing protector between the ShoreGear voice switch and the wiring 
system ground.

1. 

Connect a ground wire (#14 AWG wire or larger) to the screw on the back of the 
unit and to the right of the product label. 

2. 

Connect the other end of the ground wire to the wiring system ground.

CAUTION:

 Always connect the permanent earthing connector before attempting to connect 

the switch to a LAN segment and telecommunication lines.

Installing a Compact Flash Card

Accessing the Compact Flash Card

1. 

Unplug power from the switch.

2. 

Disconnect all cables and grounding wires.

3. 

If in a Dual Tray, remove it from the tray.

4. 

Remove the Compact Flash cover by extracting the two 
screws holding the cover to the left panel of the switch.

Changing the Compact Flash Card

1. 

Pivot the button to Out position with a finger or pen.

2. 

Push the button to eject the Compact Flash card.

3. 

Pull the card to remove it from the unit.

Reinstalling the Voice Switch

1. 

Place the  Compact Flash cover on the left panel, using 
the two screws to secure the cover.

2. 

Reconnect all cables and grounding wires to the switch.

3. 

Return the switch to its previous installation 
configuration. Plug power into the switch.

CAUTION:

 The cover and screws must be in place to protect against hazardous voltages!

VORSICHT

: Die Abdeckung und die Schrauben müssen zum Schutz vor gefährlicher Span-

nung unbedingt eingesetzt werden!

Button – Out

Button – Flat

4. 

Push a new card into the unit until it is securely seated. 
The button pops out when the card is seated.

5. 

Return the button to Flat position by pulling it outward, 
then pivoting it left.

Servicing Procedures

WARNING: The SG-90BRIV contains no internal field serviceable parts except for the Compact 
Flash Card. Return the equipment to ShoreTel for any required service procedures.

CAUTION: Internal fuses should be serviced only by qualified ShoreTel personnel. If internal 
fuses are blown and require replacement, return the SG-90BRIV to ShoreTel for service. 

WARTUNGSVERFAHREN 
ACHTUNG: Die Produkte SG-90BRIV enthalten keine internen Teile, die vor Ort gewartet 
werden können mit Ausnahme der Compact Flash Card. Senden Sie das Gerät an ShoreTel, falls 
Wartungsarbeiten erforderlich sein sollten. 
VORSICHT: Interne Sicherungen dürfen nur von qualifizierten ShoreTel-Mitarbeitern gewartet 
werden. Wenn interne Sicherungen ausgetauscht werden müssen, senden Sie den SG-90BRIV 
zur Wartung an ShoreTel.

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