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Configuring ISDN BRI hardware
553-3001-218 Standard 2.00 September 2004
Figure 14
Jumper plug settings for normal power on the TX and RX leads
•
Reverse power on the TX and RX leads.
This option is used only in
Japan and provides power (-48V or -40V) on the RX lead and battery
return (BRTN) on the TX lead to power the terminal. To implement it,
install one jumper plug across the RX and PWR pins, and one across
the BRTN and TX pins as shown in Figure 15 on
553-7580.EPS
Jumper plugs
BRTN
RX
TX
PWR
Содержание Communication Server 1000M
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