E. Connectors, Cables, and Pin Assignments

Modem Connector

The dial modem interface/connector that is integrated into the FrameSaver unit is an RJ11 6-position, 4-contact unkeyed modular jack. The following table shows pin assignments and the purpose of each.

Function

Circuit

Direction

Pin Number

 

 

 

 

Ring

R

To Local Loop

2

 

 

 

 

Tip

T

To Local Loop

3

 

 

 

 

ISDN DBM Connector

The backup connection is through the DBM interface/connector, which is an

8-position keyed modular jack. The following tables show pin assignments for the ISDN PRI and BRI DBMs and the purpose of each.

FrameSaver SLV 9128-II ISDN PRI pin assignments:

Function

Circuit

Direction

Pin Number

 

 

 

 

PRI Receive Ring

DBM1

From Local Loop

1

 

 

 

 

PRI Receive Tip

DBM2

From Local Loop

2

 

 

 

 

PRI Transmit Ring

DBM4

To Local Loop

4

 

 

 

 

PRI Transmit Tip

DBM5

To Local Loop

5

 

 

 

 

FrameSaver SLV 9126 ISDN BRI/U pin assignments:

Function

Circuit

Direction

Pin Number

 

 

 

 

BRI Transmit/Receive Ring

DBM4

To/From

4

 

 

Local Loop

 

 

 

 

 

BRI Transmit/Receive Tip

DBM5

To/From

5

 

 

Local Loop

 

 

 

 

 

ISDN Modular Cable

The ISDN cable comes with the FrameSaver unit ordered with the DBM feature.

9128-A2-GB20-80

September 2002

E-17

Page 439
Image 439
Paradyne CSU, DSU, 9126-II, 9128-II manual Modem Connector, Isdn DBM Connector, Isdn Modular Cable