3Com Router 3012 - Page 64

64 CHAPTER A: OPTIONAL CABLE SPECIFICATIONS
Figure 41 ISDN U Port Cable
Table 42 describes ISDN U port cable pinouts.
Tabl e 42 ISDN U Port Cable Pinouts
RJ-45 Signal
1 -
2 -
3 -
4 Ring
5 Tip
6 -
7 -
8 -