Troubleshooting and Maintenance
5-29
9161-A2-GH30-20
September 1997
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