Enterasys Networks XSR-3020 - Manual (Page 104)

Cable, CompactFlash and Accessory Specifications
A-18
1/2-Port BRI-U NIM Card Ports
The XSR provides a serial NIM card for 1 or 2 WAN interfaces over an ISDN BRI-U line, as shown
in
Figure A-21 . The Port 0 and 1 LEDs shine when the lines are active and ready to receive traffic.
Figure A-21 ISDN BRI-U NIM Card (RJ-49C ports shown)
Refer to Figure A-22 for pinout assignments.
Figure A-22 ISDN BRI-U -NIM Pinouts
Regulatory/Safety Compliance
The ISDN BRI-U NIM complies with the following regulatory requirements: PCI Local Bus
Specification Rev 2.2, IEEE P1386 Draft Rev 2.4, IEEE P1386.1 Draft Rev 2.4, ANSI T1.601-1999,
and IEEE 1149.1.
The NIM also complies with the following safety requirements: FCC Part 68, CS03, FCC Class B,
UL 1950, IEC 950, and EN 60950.
Port 0 Activation LED Port 1 Activation LED
Pin Signal
1 Unused
2 Unused
3 Unused
4 Signal (Tip)
5 Signal (Ring)
6 Unused
7 Unused
8 Unused
BRI-U
Pin 8 Pin 1