Black Box FX150A - Manual (Page 22)

23
LINESHARE PRO
Figure 3-7. The Lineshare Pro Installed on a KSU
or PBX Phone System.
LINE PORT 1 PORT 2 PORT 3 PORT 4
12V AC
1
2
3
4 1
2
3
4
KSU/PBX
Connect the Lineshare Pro
to the last line in rollover.