Polycom SoundStation2 EX, FX, VS4000 User Manual

Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000
66 www.polycom.com
Figure 3-2. Network Configuration (No PBX)
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
U-loop
Peripheral Link
ISDN BRI
S/T-loop
Quad NT1
(May not be needed)
Quad BRI
ISDN
ISDN BRI
U-loop
Peripheral Link
ISDN BRI
S/T-loop
Quad NT1
(May not be needed)
PBX
ISDN PRI or
Multiple BRI
Quad BRI
ISDN

Polycom SoundStation2 EX, FX, VS4000 Specifications

General

Device Type	Conference phone
Microphone Pickup Range	360 degrees
Display	Backlit LCD
Echo Cancellation	Yes
Power Source	AC power adapter
Connectivity	Analog phone line