E. Connectors, Cables, and Pin Assignments9128-A2-GB20-80 September 2002 E-17Modem ConnectorThe dial modem interface/connector that is integrated into the FrameSaver unit isan RJ11 6-position, 4-contact unkeyed modular jack. The following table shows pinassignments and the purpose of each.ISDN DBM ConnectorThe backup connection is through the DBM interface/connector, which is an8-position keyed modular jack. The following tables show pin assignments for theISDN 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 CableThe ISDN cable comes with the FrameSaver unit ordered with the DBM feature.Function Circuit Direction Pin NumberRing R To Local Loop 2Tip T To Local Loop 3Function Circuit Direction Pin NumberPRI Receive Ring DBM1 From Local Loop 1PRI Receive Tip DBM2 From Local Loop 2PRI Transmit Ring DBM4 To Local Loop 4PRI Transmit Tip DBM5 To Local Loop 5Function Circuit Direction Pin NumberBRI Transmit/Receive Ring DBM4 To/FromLocal Loop4BRI Transmit/Receive Tip DBM5 To/FromLocal Loop5
