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A combination card including:

•1 ISDN Primary Rate Interface port (30B channels).
•2 extension ports with Caller ID (FSK) for SLTs.

EURO-ISDN/ETSI compliant.

• When connecting this optional service card to the trunk, connect through an NT1; do not connect to the U interface of the trunk

directly.

• PRI ports are SELV ports and should only be connected to SELV services.

• When connecting the RJ45 connector, attach the included ferrite core.
• The cable to connect to the ISDN Primary Rate Interface port of the SLC2/PRI30 card should be CAT 5 (Category 5) or higher.

• In some countries/areas, this optional service card must not be connected to the Public Switched Telephone Network.
• This optional service card can be used for either trunk or extension connection, by setting the A/B switch or using the connector

with appropriate pin assignments.

• To confirm the trunk connection.

RJ45 Connector for Trunk Use

A/B

Slide

Select A (default) for trunk or B for extension use.

1

RX+

 (+)

Receive data (+)

2

RX-

 (-)

Receive data (-)

3

Reserved

 

—

 

—

4

TX-

 (-)

Receive data (-)

5

TX+

 (+)

Receive data (+)

6-8

Reserved

 —

 —

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RJ45 Connector for Extension Use

RJ45 Connector for Single Line Telephone Extension Use

The maximum length of the extension cable that connects the PRI30 cards is shown below:

1

TX-

 (-)

Receive data (-)

2

TX+

 (+)

Receive data (+)

3

Reserved

 

—

 

—

4

RX+

 (+)

Receive data (+)

5

RX-

 (-)

Receive data (-)

6-8

Reserved

 —

 —

1-2

Reserved

 —

3

RB

Ring  B

4

RA

Ring  A

5

TA

Tip  A

6

TB

Tip  B

7-8

Reserved

 —

SERR

Red

Non-synchronisation status indication

• OFF:  Normal
• ON: Out of synchronisation 

RAI

Red

RAI signal status indication

• OFF:  Normal
• ON:  Alarm 
• Flashing (60 times per minute): Alarm (Clock Master)

AIS

Red

AIS status indication

• OFF:  Normal
• ON:  Alarm 

SYNC

Green

Synchronisation status indication

• OFF: Not synchronised
• ON: Synchronised 
• Flashing (60 times per minute): Synchronised (External Clock Master)

DLK

Green

Data link status indication

• OFF: Not established
• ON: Established 

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