Null Modem Adapter - Polycom VSX3000 Integrator's Reference Manual

Null Modem Adapter

Description
Male to female DB-9 adapter plug
This adapter is used when connecting a VSX 7000e or VSX 8000 to a serial
device that transmits on pin 3 such as Crestron Pro2 processor. Do not use this
adapter with an AMX device.
Used With
VSX 7000e or
VSX 8000 (may
be required with
RS-232 cable,
part number
2457-09172-001
on page 2-34)
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.
Part Number Length
1517-21577-001 —
Cables
2 - 37