Null Modem Adapter - Polycom HDX 9006 Integrator's Manual

Integrator's Reference Manual for Polycom HDX Systems

Null Modem Adapter

This adapter is used when connecting Polycom HDX system to a serial device that transmits on pin 3 such
as Crestron Pro2 processor. It is a male to female DB-9 adapter plug.
Length
—
Polycom, Inc.
Do not use this adapter with an AMX device. AMX systems support both RS-232
and RS-422. Therefore, for RS-232 support, use a null modem cross-over cable
that carries only pins 2, 3, and 5, with pins 2 and 3 crossed.
Part Number
1517-61577-001
DB9F DB9M
PIN 1&6 PIN 4
PIN 2 PIN 3
PIN 3 PIN 2
PIN 4 PIN 1&6
PIN 5 PIN 5
PIN 7 PIN 8
PIN 8 PIN 7
PIN 9 N/C
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.
RoHS Compliant
Yes
Cables
102