Figure 3-2. Network Configuration (No Pbx); Figure 3-3. Network Configuration (Behind Pbx) - Polycom SoundStation2 EX, FX, VS4000 Integrator's Reference Manual

Integrators' Reference Manual for ViewStation EX, ViewStation FX, and VS4000
Peripheral Link
66
Quad BRI

Figure 3-2. Network Configuration (No PBX)

Peripheral Link
ISD N BR I
S/T-loop
Quad BR I
(May not be needed)

Figure 3-3. Network Configuration (Behind PBX)

For ISDN BRI lines to be used from a PBX to a videoconferencing
system, you must do these things in addition to meeting the other
requirements.
Determine the interface type of the ISDN BRI network module
in the PBX (U-loop or S/T-loop). This will determine whether or
ISDN BRI
S/T-loop
Quad NT1
(May not be needed)
ISD N BR I
U -loop
Quad N T1
ISDN BRI
U-loop
ISDN
ISD N PR I or
Multiple BR I
PBX
www.polycom.com
ISD N