Installation DXC5K/EN
IN/A22
DXC 5000
Page 21/34
FXO
TX RX
A
B
C
D
A
B
C
D
On
hook
0
*
*
*
Off
hook
1
1
*
*
No
ring
0 1 0 1
Ring
On
0 0 0 1
Battery
Reverse 0 1 0 0
Metering
Pulse
0 1 0 0
Tip
Lead
open
1 1 1 1
Ring lead GND
0
0
0
1
OOS-Alarm
*
*
*
*
TABLE 21: SIGNALING BITS (DEFAULT SETTING) -FXO CARD
For H/W Version F:
FIGURE 17: JUMPER SETTING FOR FXS RINGING VOLTAGE
NOTE :
R89, jumper 9, and R50 cannot be set up at the same time.