User Guide
SmarTouch/Cresnet Terminal Expander:
ST-CNB
Description
Crestron’s ST-CNB is a terminal expander for the SmarTouch STS, CNX Generation or
2-Series control systems. The unit provides for simplified interconnection between Crestron
remote control system (herein referred to as the Cresnet system) devices having a 4-pin
Phoenix® type connector and those having a 6-pin modular RJ-type Cresnet connector.
Refer to the diagram below. Four SmarTouch STS (RJ11) connectors (labeled NET 3 through
NET 6) are located on the long side of the ST-CNB. Two Cresnet (4-pin) connectors (labeled
1 NET and 2 NET) are located on the opposite long side. All connectors are in parallel. A
single green LED (labeled PWR) is centrally located on the silk-screened panel. The LED
illuminates when 24 volts is supplied to any connector. The ST-CNB enclosure extends to
form mounting flanges at the sides of the unit. There are three holes per flange Serial Mouse
Control Driver for installing screws (not supplied) to mount the unit.
ST-CNB Physical Views
NET
24
PWR
ZGY
NET
1
NET
65
NET
CONNECTORS
ARE IN PARALLEL
ZGY24
NET
2
34
NET
ST-CNB
CRESTRON
1.24 in
(3.14 cm)
1.97 in
(5.00 cm)
4.25 in
(10.80 cm)
FOUR RJ11
CONNECTORS
(NET 3 THROUGH
NET 6
TWO 4-WIRE
CRESNET
CONNECTORS
(1 NET AND 2 NET)
Front View
Rear View
Top View
NOTE: All Cresnet network wiring should follow the latest revision of the Network Interconnect Diagram
(Doc. 5411). All modular wiring should follow the latest revision of Crestron Network Modular Cable
Requirements (Doc. 5682). These documents can be obtained from the Products page (PRODUCT
MANUALS section, manuals for software and wiring diagrams section) or Downloads page (CABLES
and MANUAL Libraries) of Crestron’s website (www.crestron.com
). Search for CAT5.PDF and
MODULAR.PDF, respectively. New users are required to register in order to obtain access to the site.
Further Inquiries
If after reviewing this sheet you cannot locate specific information or have questions, please
take advantage of Crestron's award winning customer service team by calling:
• In the US and Canada, call Crestron’s corporate headquarters at
1-888-CRESTRON [1-888-273-7876] or 1-201-767-3400.
• In Europe, call Crestron International at +32-15-50-99-50.
• In Asia, call Crestron Asia at +852-2341-2016.
• In Latin America, call Crestron Latin America at +525-260-4336.
• In Australia, call Crestron Pacific at +613-9480-2999.
For local support from exclusive Crestron factory-trained personnel in New Zealand, call
Amber Technologies at +649-410-8382.
Crestron Electronics, Inc. Operations Guide – DOC. 5684A
15 Volvo Drive SmarTouch/Cresnet Terminal Expander: ST-CNB
Rockleigh, NJ 07647 01.02
Tel: 888.CRESTRON Specifications subject to change without notice.
Fax: 201.767.7576 www.crestron.com


