Paradyne CSU User Manual
E. Connectors, Cables, and Pin Assignments
9128-A2-GB20-80
September 2002
E-17
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.
an RJ11 6-position, 4-contact unkeyed modular jack. The following table shows pin
assignments and the purpose of each.
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.
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:
FrameSaver SLV 9126 ISDN BRI/U pin assignments:
ISDN Modular Cable
The ISDN cable comes with the FrameSaver unit ordered with the DBM feature.
Function
Circuit
Direction
Pin Number
Ring
R
To Local Loop
2
Tip
T
To Local Loop
3
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
Function
Circuit
Direction
Pin Number
BRI Transmit/Receive Ring
DBM4
To/From
Local Loop
Local Loop
4
BRI Transmit/Receive Tip
DBM5
To/From
Local Loop
Local Loop
5