Polycom HDX 4000 Series Administrator's Manual page 60

Polycom HDX
system
Polycom HDX
system
Polycom, Inc.
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Network Module
PRI
(outside North America
and Japan)
Serial
V.35/RS-449/ RS-530
(with RS-366 dialing)
The following diagram shows a general view of how network interface
modules are connected in Polycom HDX 9000 series systems.
+
Network
interface
module
External power
supply if using
PRI or NT-1
The following diagram shows a general view of how network interface
modules are connected with Polycom HDX 8000 series, Polycom HDX 7000
series, and Polycom HDX 4000 series systems.
Network
interface
module
External power
supply if using
PRI or NT-1
Requirements
• 75 W coaxial adapter, if the network connection is
via a 75 W coaxial cable.
• PBX crossover cable, if required for your PBX.
• PRI line.
• Third-party network equipment and cables.
Contact your network equipment vendor to obtain the
appropriate cables for the equipment you connect to
this interface. If you use only one cable, connect it to
port 1 of the network interface module and to the
lowest-numbered port of the data communications
equipment.
Additional device
Examples:
Quad BRI — NT-1
PRI — CSU
V.35/RS-449/RS-530 —
encryption equipment
UPS
Additional device
Examples:
Quad BRI — NT-1
PRI — CSU
V.35/RS-449/RS-530 —
encryption equipment
UPS
Networks
Network
Power
source
Network
Power
source
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