Table of Contents
Advertisement
MODEM 32144
Jumper(s)
JP1
JP2, JP3
(Set to same
position)
JP4, JP5,
JP8
(Set to same
position)
JP7
1 As indicated by legend printed on modem circuit board.
Factory settings are shown in boldface.
180
Table C-2. Jumper Switch Functions
Position 1
FG
Alternate position
(no legend)
A1
MI
AC
Alternate position
TM (output)
AL (input)
Function
Frame and signal ground connected
Not connected
A/A1 control
MI/MIC control
AC power
DC power (for Telco 48 VDC battery)
Pin 25 used as test mode indicator
Pin 25 used for analog loopback
Hide quick links:
Advertisement
Table of Contents
