Troubleshooting

9-35

9161-A2-GH30-30 April 1998
Force and Monitor Signaling

Force and Monitor signaling enables you to send and receive the following

to/from the T1 interface to which the selected port is assigned:

You can force these fields . . . To these settings . . .

ABCD bits (Tx and Rx) for ESF framing or
AB bits (Tx and Rx) for D4 framing User-specified values
Set Tip and Ring Leads To
For FXO
For FXS
Loop – Tip and Ring are connected
together
Rgnd – Ring lead is attached to ground
Open – Ring lead is not connected to
either the Tip lead or the ground
Lpgnd – Tip and Ring are connected
together, and Tip is connected to ground
RbTo – A –48 Vdc battery is applied to the
Ring lead and the Tip lead is open
RbTg – A –48 Vdc battery is applied to the
Ring lead and the Tip lead is grounded
TbRg – A –48 Vdc battery is applied to the
Tip lead and the Ring lead is grounded
Ring – Ringing voltage applied between
Tip and Ring
Set E-lead to (E&M APM only) On
Off