Specifications

Integrator’s Reference Manual for Polycom HDX Systems
2 - 2
ISDN Cable
This cable connects a Polycom HDX system to a BRI or PRI line. It has clear
RJ-45 connectors on both ends and is used with all Polycom HDX systems that
have ISDN capability. The maximum approved length for this cable is 50 ft
(15 m).
PRI Pin Assignments
The following illustration and table show the pin assignments for the PRI port
on the Polycom HDX system.
Length Part Number RoHS Compliant
20 ft (6.6 m) 2457-08548-001 Yes
Drawings and part numbers are provided for reference only. Polycom claims no responsibility
or liability for the quality, performance, or reliability of cables based on these reference
drawings, other than cables provided by Polycom. Contact your Polycom distributor or
Polycom Custom/Vertical Products to order cables that meet the appropriate manufacturing
tolerances, quality, and performance parameters for your application.
Pin 8
Pin 1
Signal Name
Receive Ring
Receive Tip
No Connection
Transmit Ring
Transmit Tip
No Connection
No Connection
No Connection
Pin
1
2
3
4
5
6
7
8