Enterasys-networks XSR-3020 Manual de usuario Pagina 102

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Cable, CompactFlash and Accessory Specifications
A-16
1/2-Port BRI-S/T NIM Card Ports
The XSR offers a serial NIM card for 1 or 2 WAN interfaces over an ISDN-S/T BRI line, as shown
in Figure A-18. Port 0 and 1 LEDs shine when the lines are active and ready to receive traffic. Refer
to Figure A-19 for pinout assignments.
Figure A-18 ISDN BRI-S/T NIM Card (RJ-45 ports shown)
Figure A-19 ISDN BRI-S/T -NIM Pinouts
Port 0 Activation LED
Port 1 Activation LED
Pin Signal
1 Unused
2 Unused
3 Transmit (+)
4 Receive (+)
5 Receive (-)
6 Transmit (-)
7 Unused
8 Unused
BRI-S/T
Pin 8Pin 1
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