T1/e1/isdn pri nim card ports – Enterasys Networks XSR-3020 User Manual
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Cable, CompactFlash and Accessory Specifications
A-12
T1/E1/ISDN PRI NIM Card Ports
The T1/E1/ISDN PRI NIM comes equipped with either 1, 2 or 4 Ethernet (WAN) ports that
support fractional T1/E1 transmission in full-channel, fractional or unchannelized format with 8-
pin modular RJ-48C connectors and include a built-in DSU/CSU, as shown in
Cables required for these ports must be 100-ohm, straight-through, twisted-pair for T1 lines and a
120-ohm version for E1 lines. Refer to
Figure A-12 4-Port T1/E1/ISDN PRI NIM Card (RJ-48C ports shown)
Figure A-13 T1/E1 NIM Port Pinouts
Regulatory/Safety Compliance
The T1/E1 ISDN PRI NIM complies with these regulatory requirements: PCI Local Bus
Specification Rev 2.1, IEEE P1386 Draft 2.4, IEEE P1386.1 Draft 2.4, ANSI T1.403, ITU-T G.703,
G.704, G.706, G.736, G.775, G.823, I.431, Q.703, AT&T TR62411 and TR54016, ETSI ETS 300233, and
IEEE 1149.1.
The NIM also complies with the following safety requirements: CS03, FCC Class B, TBR12-14, GR-
1089, ITU K17-K20, IEC 61000-4-2, IEC 61000-4-5, UL 1950, IEC 950, and EN 60950.
Note: m version for E1 lines. Refer to Figure 13 for pinout assignments. If you are using the TI/EI/
ISDN PRI NIM in Singapore or Australia, the cables required for these ports must not employ
individual shields for each pair.
Pin Signal
1
Receive Ring
2
Receive Tip
3
Chassis GND (optional)
4
Transmit Ring
5
Transmit Tip
6
Chassis GND (optional)
7
no connection
8
no connection
T1/E1/ISDN PRI
Pin 8
Pin 1