Use the Environmental Manager Main Module to
monitor and control the environment through
peripheral devices, including temperature and
humidity sensors and environmental control devices.
You can increase the number of monitored racks by
adding Temperature/Humidity Modules (TH
Modules) to your configuration.
Inventory
QuantityItem
1Main Module (AP9340)
1RS-232 configuration cable
2Brackets for a standard 19-in rack
48-32 x 1/4-in Phillips-head screws
2Toolless mounting pegs
(pre-installed)
1Temperature sensor (AP9335T)
1 Temperature/humidity sensor
(AP9335TH)
11.8-m (6-ft) IEC 320-C13 to IEC
320-C14 power cord
11.8-m (6-ft) NEMA 5-15P to
IEC-C13 power cord
2A-Link terminators
10Tie wraps
4Adhesive cable mounts
1Adhesive temperature sensor mount
1Adhesive temperature/humidity
sensor mount
2Wall anchors
2Flat-head screws
Environmental Manager: Main Module
1
Additional options
The following options are available for the Main
Module
:
• TH Module (AP9341)
• Temperature Sensor (AP9335T)
• Temperature/Humidity Sensor (AP9335TH)
• Temperature Sensor with Digital Display (A-Link)
(AP9520T)
• Temperature/Humidity Sensor with Digital Display
(A-Link) (AP9520TH)
• Alarm Beacon (AP9324)
• Door Switch Kit (AP9513)
• Power Supply (AP9505i)
Additional documentation
For additional information about management
interfaces, user accounts, customizing setup,
configuration utilities, file transfers, and the Device IP
Configuration Wizard, see the Environmental Manager:
Main Module User’s Guide, available on the supplied Utility CD or on the APC Web site: www.apc.com.
For additional security information, see the Security Handbook, available on the Utility CD or on the APC
Web site: www.apc.com.
The Modbus register map is available on the APC Web
site: www.apc.com.
Please recycle
The shipping materials are recyclable. Please
save them for later use, or dispose of them
appropriately.
Receiving inspection
Inspect the package and its contents for shipping
damage and ensure that the parts included in the
shipment match all of the parts listed in the inventory
table on page 1. Immediately report any shipping
damage to the shipping agent. Report missing contents,
damage, or other problems to APC or your APC
reseller.
InfraStruXure-certified
This product is certified for use in APC InfraStruXure
systems. If you have InfraStruXure Manager as part of
your system, the Quick Configuration instructions in
this document do not apply. See the documentation
included with your InfraStruXure Manager for more
information.
2
Environmental Manager: Main Module
Front and Rear Panel
Components
Front panel
Use the toolless mounting pegs on the front panel of
the Main Module to install it in an APC rack or
enclosure without using any U-spaces.
Rear panel
+
+
C
N
1224NOGN
O
C
D
M
ItemDescription
AC Line InletProvides power to the Main
Module; see “Specifications” on
page 24 for voltage information.
1234
D0G
D
–+ –+–+ –+
N
1
D
Environmental
Manager
aem0048a
Switched
Outlet
Provides power to a device at a
total maximum amperage of 10 A.
Activate a connected device when
configured events are activated
(e.g., turn on a fan when
temperature rises above 23.9°C
[75°F]).
Voltage
Output
Provides 12 Vdc or 24 Vdc
(75 mA) to a connected device.
Relay OutputConnects to relay-controlled
external devices.
Peripheral port Connects to an optional device.
Sensor portsConnect six temperature or
temperature/humidity sensors
(AP9335T or AP9335TH).
User InputsConnect four sensor devices.
Supports the following:
• Dry contacts
• 0-5 V digital signals
• 0-5 Vdc analog voltage
• 4-20 mA current-loop sensors.
See the Environmental Manager:
Main Module User’s Guide,
available on the included Utility
CD or on the APC Web site
(www.apc.com), for configuration
information.
Modbus
RS-485 port
Connect the Main Module to a
building management system using
the Modbus protocol.
Environmental Manager: Main Module
3
ItemDescription
10/100 Base-T
Network Port
RS-232
Console Port
Reset switchResets the Main Module.
Power LEDIndicates whether the unit is
A-Link portsExpansion bus for adding APC TH
Alarm beacon
port
Connect the Main Module to the
network; Status and Link LEDs
indicate network traffic.
• Status LED—blinks orange and
green at start-up; indicates the
status of the network connection
(solid green—IP address
established; blinking green—
attempting to obtain an IP
address).
• Link LED—blinks to indicate
network traffic (green—operating
at 10 mbps; orange—operating at
100 mbps).
Serial port used to configure initial
network settings using the provided
RS-232 configuration cable.
receiving power (green–receiving
power; dark–not receiving power).
Modules (AP9341), temperature
sensors (AP9520T), and
temperature/humidity sensors
(AP9520TH). The bus provides
communications and power to the
TH Modules using standard CAT5
cabling with straight-through
wiring.
Connect an alarm beacon
(AP9324).
4
Environmental Manager: Main Module
Installation—Main Module
You can install the Main Module in the front or the
rear of the rack or enclosure, using either the
rack-mount option, which uses 1 U of rack space, or
the toolless peg-mount option, which does not use
any U-spaces. (The toolless peg-mount option is
available only with APC NetShelter
racks and enclosures).
Toolless peg-mount installation
1. Slide both mounting pegs into the holes
located in the cable channel in the rear panel
of the rack.
2. Snap the Main Module into place by pushing it
downward until it locks into position.
®
VX and SX
aem004 9a
Rack-mount installation
1. Remove the toolless mounting pegs located at
the front of the unit.
2. Attach the brackets (provided) to each end of
the Main Module, using two screws for each
bracket.
3. Choose a location in the rack for the Main
Module.
Note: The Main Module
occupies one U-space. A notched
hole (or a number, on newer racks)
on the rack’s vertical rail denotes
the middle of a U-space.
Environmental Manager: Main Module
5
7
1 U
6
5
ns0014 a
4. Insert cage nuts (provided with the rack) on
the vertical mounting rails above a number at
the top of a U-space in your rack and below
the same number at the bottom of the U-space.
5. Align the mounting holes of the brackets with
the installed cage nuts, and insert four
mounting screws (provided with the rack) to
secure the brackets to the rack.
pdu0080a
Installation—TH Module
Add TH Modules to the Main Module to monitor
additional racks. The Main Module can support a
maximum of 32 TH Modules (with additional power
supplies).
Connecting TH Modules
To connect the TH Module to the Main Module:
1 . Connect the first TH Module to either port
marked A-Link on the rear of the Main
Module, using a standard CAT5 (or
equivalent) Ethernet patch cable. Do not use a
crossover cable for connection.
6
Environmental Manager: Main Module
Note: A-Link is an APC
proprietary CAN (Controller Area
Network) bus. Devices compatible
with A-Link are not Ethernet
devices and cannot coexist on an
Ethernet bus with other
networking devices, such as hubs
and switches.
2. Connect the cable from the Main Module to
the top A-Link connector labeled
(indicating “input”) on the TH Module.
Connect the bottom A-Link connector labeled
(indicating “output”) to the next TH
Module.
3. Plug an APC terminator into the unused
A-Link port at each end of the string.
The Main Module does not have to be at the
beginning of the chain of cascaded modules. You can
cascade TH Modules from both A-Link ports of the
Main Module. Always connect the Main Module to
the input connector on the TH Module, as described
in step 2.
Note: The maximum combined length
of all A-Link cables is 1000 m (3,280 ft).
Main Module
(AP9340)
TH Module
(AP9341)
TH Module
(AP9341)
Note: You cannot cascade Main
Modules. Install only one Main Module
per system.
A-Link port used to plug in an APC terminator.
Main Module monitoring connected devices.
CAT5 (or equivalent) cable connecting to the TH
Module.
TH Module to be monitored by the Main Module.
Environmental Manager: Main Module
7
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