DXC5K/EN IN/A22 Installation
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DXC 5000
PIN 50
TIPRing
PIN 26PIN 1
PIN 25
(L2) (L1)
D0532ENa
FIGURE 16: RJ21X CONNECTOR - FXS, FXO, AND MAG CARDS
FXS/FXS-P
PLAR OFF PLAR ON
FXS/FXS-P FXS FXS-P
TX RX TX RX
A B C D
A B C D ABCDA B C D AB C D A B C D
On hook 0 1 0 1 0101 0 1 0 1
Off hook 1 1 0 1 1111 1 1 0 1
No ring 1 * * * 0 * * * 1 * * *
Ring on 0 0 * * 1 1 1 1 0 0 * *
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 20: SIGNALING BITS (DEFAULT SETTING) - FXS CARD
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