3Com NBX 100 Administrator's Manual - page 191
Other manuals for NBX 100:
Installation Manual, Planning Manual, Software Upgrade Instructions, Administrator's Manual, Release Note, Release Note, Quick Reference Manual, Administrator's Manual, Administrator's Manual, Manual, Installation Manual, Quick Reference Manual
Manual is about: Networked Telephony Systems
of
582
Obtaining a Dial Tone from a PBX System
191
Figure 7
shows the pinout for the NBX T1 or E1 Digital Line Card.
Figure 7 T1 or E1 Connector Pinouts
Figure 8
shows the pinout for the NBX BRI Digital Line Card.
Figure 8 BRI Connector Pinouts
To determine the pinout for the PBX T1 or E1 connector, see the PBX
documentation.
9
R - TX Ring to PSTN
T - TX Tip to PSTN
1
2
3
4
5
6
7
8
R1 - RX Ring from PSTN
10
T1 - RX Tip from PSTN
9
R - TX Ring to PSTN
T - TX Tip to PSTN
1
2
3
4
5
6
7
8
R1 - RX Ring from PSTN
10
T1 - RX Tip from PSTN