Polycom realpresence group series Reference Guide

Cables
Polycom, Inc. 106
Null Modem Adapter
This adapter is used when connecting RealPresence Group 700 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.
Note: 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.
Length Part Number RoHS Compliant
— 1517-61577-001 Yes
Note: 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.
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

Polycom realpresence group series Specifications

General

Video Standards	H.264, H.263, H.264 High Profile
Audio Standards	G.711, G.728
Content Sharing	People+Content
Network	H.323, SIP
Security	AES encryption
Video Input	HDMI
Video Output	HDMI
Audio Input	HDMI
Audio Output	HDMI
Audio Features	Noise Reduction, Automatic Gain Control
Connectivity	Ethernet
Ports	Ethernet, HDMI
Compatibility	Microsoft Lync / Skype for Business, BlueJeans, Zoom