Amer.com reserves the right to make changes to this document and the products which it describes
without notice. Amer.com shall not be liable for technical or editorial errors or omissions made herein; nor
for incidental or consequential damages resulting from the furnishing, performance, or use of this
material.
Amer.com is a registered trademark of Amer.com. All other trademarks and trade names are properties
of their owners.
FCC Warning
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with this user’s
guide, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct
the interference at his own expense.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cause radio interference in which
cause the user may be required to take adequate measures.
VCCI Warning
This is a product is compliant with VCCI Class A specifications.
UL Warning
a) Elevated Operating Ambient Temperature- If installed in a closed or multi-unit rack assembly, the
operating ambient temperature of the rack environment may be greater than room ambient. Therefore,
consideration should be given to installing the equipment in an environment compatible with the
manufacturer's maximum rated ambient temperature (Tmra).
b) Reduced Air Flow - Installation of the equipment in a rack should be such that the amount of air flow
required for safe operation of the equipment is not compromised.
c) Mechanical Loading - mounting of the equipment in the rack should be such that a hazardous condition
is not achieved due to uneven mechanical loading.
d) Circuit Overloading - Consideration should be given to the connection of the equipment to the supply
circuit and the effect that overloading of circuits might have on over current protection and supply
wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing
this concern.
e) Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained. Particular
attention should be given to supply connections other than direct connections to the branch circuit
(e.g., use of power strips).
TABLE OF CONTENTS
About This Guide ..........................................................................................................................................1
Unpacking and Installation............................................................................................................................4
Power on................................................................................................................................................6
Monitor List ..........................................................................................................................................14
Thank you for purchasing the SRPM12. This user’s guide tells you how to install your SRPM12 and how
to connect it to your network.
Terms
For simplicity, this manual uses the terms “the Midspan” to refer to the SRPM12, and “Midspan” to refer to
Midspans in general, including the SRPM12.
Overview of this User’s Guide
Introduction
Unpacking and Setup
Describes the Midspan and its features.
Explains how to unpack and install the Midspan.
Identifying External
Components
Configure the Midspan
Technical Specifications
Describes the front panel, rear panel, and LED indicators of the
Midspan.
Explains how to configure the smart functions of the Midspan.
Lists the technical specifications of the Midspan.
1
INTRODUCTION
The SRPM12 injects power over data-carrying Ethernet cable. The Midspan supports 12 ports in a
10/100BASE-TX network, over TIA/EIA-568 Category 5/5e/6 cabling. Power for data terminal units is
carried over the unused pairs of cabling (4/5 and 7/8).
The Power over Ethernet Midspan powers devices that are Power over Ethernet capable. These devices
are called Powered Devices (PD). Devices that are not designed to receive power over Ethernet will
require an external power splitter adapter in order to be powered by the SRPM12.
Features
The SRPM12 features include:
IEEE 802.3af Power over Ethernet compliant.
Provides LED indicator for System and PoE status.
Eliminates the need for AC outlets, local UPS and AC/DC adapters
Web based Management for System and PoE power management.
Independent overload and short-circuit protection per channel
Standard 19-inch rack mountable.
Ports
Data ports (upper row of ports): Twelve (12) 10/100Mbps Fast Ethernet data input ports. These ports
are designed to carry only data over the standard 2-wire pairs (pins 1/2 and 3/6).
PoE ports (lower row of ports): Twelve (12) 10/100Mbps Fast Ethernet with DC power output ports.
These ports are designed to carry data over the standard 2-wire pairs (pins 1/2 and 3/6) and DC power
over the spare pairs (pins 4/5 and 7/8).
Management port: One (1) 10/100Mbps Ethernet/Fast Ethernet port for out-of-band management.
3
UNPACKING AND INSTALLATION
This chapter provides unpacking and installation information for the SRPM12.
Unpacking
Open the shipping carton of the Midspan and carefully unpack its contents. The carton should contain the
following items:
9 One SRPM12
9 Four rubber feet with adhesive backing
9 One AC power cord
9 Mounting kit (two brackets and screws)
9 User’s Guide and Management Utility CD-ROM
If any item is found missing or damaged, please contact your local reseller for replacement.
Setup
The setup of the SRPM12 can be performed by following these steps:
Install the Midspan on a sturdy, level surface that can support at least 6.6 lb. (3 kg) of weight. Do not
place heavy objects on the device.
The power outlet should be within 1.8 meters (6 feet) of the device.
Visually inspect the power cord and see that it is fully inserted to the AC power port.
Make sure that there is proper heat dissipation from and adequate ventilation around the Midspan.
Leave at least 10 cm (4 inches) of space at the front and rear of the Midspan for ventilation
Install the Midspan in a fairly cool and dry place. See the technical specifications for the acceptable
temperature and humidity operating ranges.
Install the Midspan in a site free from strong electromagnetic field generators (such as motors),
vibration, dust, and direct exposure to sunlight.
When installing the Midspan on a level surface, attach the rubber feet to the bottom of the device. The
rubber feet cushion the Midspan, protect the casing from scratches and prevent it from scratching other
surfaces.
Installing the Midspan on a Desktop
When installing the Midspan on a desktop or shelf, the rubber feet included with the Midspan should first
be attached (Figure 1). Attach the feet on the bottom at each corner of the device. Allow enough
ventilation space between the Midspan and any other objects in the vicinity.
Figure 1 - Installed on a desktop
4
Installing the Midspan on a Rack
The Midspan can be mounted in a standard 19" rack. First, fasten the mounting brackets to the Midspan
using the screws provided (Figure 2).
Figure 2 - Fasten mounting brackets
With the brackets attached securely, you can mount the Midspan in a standard rack (
Figure 3).
Figure 3 - Installed on a rack
Connecting Network Cable
As shown in Figure 4, the Midspan is connected in series to an Ethernet switch/hub. The data outputs
from the switch are connected to the Midspan. The Midspan delivers power over spare twisted pairs (pins
4/5 and 7/8) of the Ethernet cable, without degrading the quality of data communications. The
Management port should be connected to the network to allow remote management of the device.
Figure 4 - Connect network cables
5
Each data port is configured as shown in Figure 5, as data route-thru ports for all data pins (pins 1, 2, 3
and 6). Be certain to use Category 5 or higher cabling, as shown in the figure.
Figure 5 - PoE port configuration
Power on
The SRPM12 requires an AC power source within the range 100 - 240 VAC, 50 - 60 Hz. The Midspan’s
power supply will adjust to the local power source automatically.
Plug one end of the AC power cord into the power connector of the Midspan and the other end into the
power outlet.
6
IDENTIFYING EXTERNAL COMPONENTS
This chapter describes the front panel, rear panel and LED indicators of the SRPM12.
Front Panel Components
The front panel of the Midspan consists of twelve (12) 10/100Mbps Fast Ethernet ports (data only), twelve
(12) 10/100Mbps Fast Ethernet PoE ports (data + DC power), one (1) 10/100Mbps Ethernet/Fast
Ethernet port for out of band management and a Reset button.
Figure 6 - Front panel view
Data port (upper row of ports): Twelve 10/100Mbps Fast Ethernet data input ports.
PoE port (lower row of ports): Twelve 10/100Mbps Fast Ethernet data with DC power output ports.
The Midspan prioritizes the PoE ports from 1 through 12 (Port 1 being highest priority, Port 12 being
lowest). When the system does not have enough power to power all of the devices, the power will be
allocated to the units with higher priority.
Management port: One 10/100Mbps Fast Ethernet out of band management port.
LED Indicators: Comprehensive LED indicators that display the condition of the Midspan and status of
the network. A description of these LED indicators follows (see LED Indicators).
Reset button: The Reset button is to reset all the setting back to the factory default.
Note: Be sure that you record all settings of your device before resetting it, as all settings will be
erased when the “Reset” button is pressed.
Rear Panel
The rear panel of the Midspan contains an AC power connector.
Figure 7 - Rear panel view
The AC power connector is a standard three-pronged connector that supports the power cord included in
the box. Plug the female connector of the provided power cord into this socket, and the male connector
into a power outlet. The Midspan automatically adjusts its power setting to any supply voltage in the range
from 100-240 VAC at 50-60 Hz.
LED Indicators
The LED indicators of the Midspan include Power, CPU, PoE status and Management port status LED
Figure 8). The following shows the LED indicators for the Midspan along with an explanation of each
(
indicator.
11
Figure 8 - LED indicators
System LEDs
POWER
The LED will light up green when the Midspan is powered on.
On
(green)
Off :
Power Maximum (PWR MAX)
On : The LED will light up green when the Midspan has reached maximum capacity for powered
Off : The LED will be off when the Midspan has sufficient power for additional PoE devices (system
SYSTEM
On :
Blinking :
Off :
PoE Port Status LED
:
The LED will be off when the Midspan is not powered on.
devices (system power consumption >= 169W). Additional PoE devices connected to the
Midspan may not receive full power.
power consumption < 169W).
The LED will light up green when the unit is on but the CPU is active.
The LED will flash green when the CPU is active.
The LED will be off when the unit is off.
PoE Status
Green : The LED will light up green when a PoE powered device (PD) is connected and operating
normally.
Red :
Off :
The LED will light up red when one of the following errors occur:
PoE power circuit shortage.
Power over current: over the power current of PD’s classification.
PoE voltage of 44 ~ 57 VDC output range.
The LED will be off when there is no PoE powered device (PD) connected to the port.
Management Port Status LEDs
LINK/ACT
On :
Flashing :
Off :
The LED will light up green when the port is connected to an Ethernet network.
The LED will flash green when there is activity on the port.
The LED will be off if the port is not connected to a network.
100M
On :
The LED will light up green when the port is connected to a 100Mbps Fast Ethernet network.
Off : The LED will be off when the port is connected to a 10Mbps Ethernet network or not connected
to the network.
12
CONFIGURATION
The Midspan can be configured using a web browser through its web interface. Additionally, by using the
included Web Management Utility, you can discover all Midspans on the network, assign IP addresses,
change passwords, and upgrade new firmware.
Installing the Web Management Utility
The following gives instructions guiding you through the installations of the Web Management utility.
1. Insert the Utility CD in the CD-Rom Drive.
2. From the Start menu on the Windows desktop, choose Run.
3. In the Run dialog box, type D:\Web Management Utility\setup.exe (Where “D:\” is the drive letter
assigned to your CD-ROM) and click OK.
4. Follow the on-screen instructions to install the utility.
5. Upon completion, go to Program Files Æ web_management_utility and run the Web Management
utility.
Figure 9 - Web Management Utility
The Web Management Utility was divided into four parts, Discovery List, Monitor List, Device Setting
and Toolbar function, for details instruction, follow the sections below.
13
Discovery List
This list displays the list of Midspans that are connected to the network.
Click the “Discovery” button to begin searching for the Midspans on the network. This process may take
some time, depending on your network configuration.
Once the Midspans have been discovered, double-click on an entry, or select a Midspan and click the
“Add to monitor list” button to move a Midspan from the Discovery List to the Monitor List.
Column Heading Definitions:
MAC Address: The Midspan’s MAC Address.
IP Address: The current IP address of the device.
Protocol version: The version of the Utility protocol.
Product Name: The Midspan’s product name.
System Name: The appointed device system name.
Location: Where the device is located.
Trap IP: The IP where Traps are to be sent.
Subnet Mask: The Subnet Mask of the device.
Gateway: The Gateway of the device.
Monitor List
To monitor a Midspan, it needs to be added to the Monitor List. You will be able to manage and view trap
events for the Midspans in this list.
System word definitions in the Monitor List:
S: The status of the Midspan; an icon (
or not accessible.
IP Address: The current IP address of the device.
MAC Address: The Midspan’s MAC Address.
Protocol version: The version of the Utility protocol.
Product Name: The Midspan’s product name.
System Name: The appointed device system name.
Location: Where the device is located.
Trap IP: The IP where Traps are to be sent.
Subnet Mask: The Subnet Mask of the device.
Gateway: The Gateway of the device.
View Trap: The View Trap function allows you to view events that occur on the Midspan.
The icon beside the “View Trap” button indicates if there is a new trap that has not been viewed yet.
When the icon is green, there are no new traps available. When the icon is red, there are new traps
waiting to be viewed (Figure 10).
Figure 10 - View trap button
) before the Midspan name indicates that the Midspan is off
The symbol “
When the “View Trap” button is clicked, a Trap Information window will appear showing the trap
information including the Time, Device IP and the Event that occurred (Figure 11).
” represents the trap signal arise, this symbol will disappear after you review and click on
14
The “ ” symbol represents traps that have not been viewed yet. This symbol will disappear after you
review and click on the event record.
Figure 11 - Trap information window
Note: In order to receive Trap information, the Midspan has to have Trap IP and Trap Events
configured in the Web browser, under the Trap Setting Menu.
Add Item: To add a device to the Monitor List manually, enter the IP Address of the device that you want
to monitor.
Delete Item: To delete the device in the Monitor List.
Device Setting
You can configure the Midspan by using the buttons in the Device Setting section at the bottom of the
window.
Configuration Setting: From this window, you can set the IP Address, Subnet Mask, Gateway, Set Trap
to (Trap IP Address), System Name and Location of the Midspan.
Select the device in the Discovery List or Monitor List and click “Configuration Setting”. The
Configuration Setting window will open (Figure 12). After making the desired changes, you enter the
password for the Midspan and click “Set” to save the changes to the Midspan.
Figure 12 - Configuration Setting
Password Change: This option allows you to change the password for the Midspan. After clicking the
button to open the Change Password Window (Figure 13), enter the new password in both the “New
password” field and “Confirm password” field. You also have to enter the current password for the
Midspan in the “Original password” field. Click “Set” to save the changes.
15
Figure 13 - Password Change
Firmware Upgrade: If a new firmware becomes available, use this option to perform a firmware upgrade
on the device (Figure 14). You will need to enter the location of the file on the local computer, as well as
the password for the Midspan in order to perform an upgrade. Warning: Do not turn off the Midspan or
the computer while a firmware upgrade is in process, it may result in corruption of the firmware on the
Midspan.
Figure 14 - Firmware upgrade
Web Access: Double click on a Midspan in the Monitor List, or select a device in the Monitor List and
click the “Web Access” button to open the web interface in a web browser window.
Toolbar
The toolbar in the Web Management Utility have four main tabs: File, View, Options and Help.
In the “File” tab, there are Monitor Save, Monitor Save As, Monitor Load and Exit.
Monitor Save: Saves the current Monitor List as the default. The next time the Web Management
Utility is run, the default list will be loaded automatically.
Monitor Save As: Saves the current Monitor List as a file on the local computer at the specified
filename and file path. This file can be loaded in the future to retrieve the list.
Monitor Load: Load a previously saved Monitor List (using the “Monitor Save As” option).
Exit: Exit the Web Management Utility.
The “View” tab allows you to view and clear the event trap logs for the Midspan.
View Log: Displays the event trap log for the device.
Clear Log: Clears the event trap log.
In the “Option” tab, the Refresh Time function allows you to set how often the utility will update the
information displayed. Available options are: 15 secs, 30 secs, 1 min, 2 min, 5 min.
In the “Help” tab, the About option displays the current version of the Web Management Utility.
16
Configuring the Midspan
The SRPM12 has a graphical web interface for management over the network using a web browser. A
network administrator can manage and monitor the Midspan from over the LAN or the internet. This
section describes how to configure the Midspan’s functions including: SNMP Settings, PoE Settings, System Settings, and Device Status.
Login
In order to manage the Midspan, the managing computer must be connected to the Midspan through an
IP network. The computer and the Midspan must also be on the same network subnet in order to connect
to the Midspan. For example, using the default IP address of the Midspan (192.168.0.1), the managing
computer must have an IP address of 192.168.0.x (where x is a number between 2 and 254) with a
subnet mask of 255.255.255.0.
1. Open a web browser. (Internet Explorer 5.0 or higher is recommended)
2. Enter the IP address
and press <Enter>. (Figure 15)
3. When the Login dialog page appears (Figure 16), enter the default password "admin" and click Login
to enter the main configuration window.
http://192.168.0.1(the default IP address of the Midspan) into the address field
Figure 15 - Entering the IP address
Figure 16 - Web login
4. After logging into the unit, the main page will display the device status (Figure 17).
17
Figure 17 - Device Status
Setup Menu
When the main page appears, the Setup menu on the left side of the screen (Figure 18) will allow you to
browse the Midspan’s features. The menu contains eight options: PoE, Status, System, Trap, Password, Backup Setting and Reset Setting.
Figure 18 - Setup menu
18
PoE Setting
The “PoE Status” page (Figure 19) displays power information for each port. The information displayed
includes the current power consumption, voltage, and current for each port, and its current status.
Clicking the Refresh button will update the information on the page. The page also shows the total
amount of power being used by the device and how much power is remaining. By clicking on a Port ID,
you can change the settings for that port.
Figure 19 – PoE Status Page
PoE Port Status:
Select “PoE Port Status” to change the PoE Port settings (Figure 20).
Figure 20 - PoE Port Setting
Poe Enable: Select to enable or disable PoE power to the port.
Power limit: This function lets you manually configure the maximum amount of power sent to the PD to
protect the Midspan and the PD. If the power requirements exceed this limit, the PoE function of the port
will be disabled. Available options are: “<5W”, “<10W”, “<14W” and “Auto”. The “Auto” option will cause
the switch to follow the classification given by the PD power current.
19
PoE System Setting:
Select “POE System Setting” to configure the System’s PoE threshold setting (Figure 21).
Figure 21 - PoE System Setting
System power Threshold: When the ratio of the power used to the total available system power exceeds
or falls below the System power Threshold, the Midspan will send a trap event to the Management Station.
Note: If the system cannot provide enough power to support all of the connected power devices,
the devices connected to the higher priority ports will be given power first. The lower the port
number, the higher the priority. Therefore, Port 1 has the highest priority, and Port 12 has the
lowest.
Status Page
The “Status” page (Figure 22) shows the current status of the Midspan. The information displayed
includes:
Product Name: The name of the Midspan.
Firmware Version: The current firmware version on the device.
Protocol Version: The version of the Midspan detection protocol used by the Web Management Utility.
IP Address: The IP address of the device.
Subnet Mask: The subnet mask of the device.
Default Gateway: The default gateway of the device.
Trap IP: The IP address that traps are sent to.
MAC Address: The MAC address of the device.
System Name: The system name used assigned by the network administrator to identify the device.
Location Name: The location of the device assigned by the network administrator.
Login Timeout (Minutes): The amount of time the user can be inactive before being automatically
logged out of the web interface.
System Up Time: The amount of time the device has been operational.
PoE Status: This table displays the same information displayed in the PoE Status page.
Click “Refresh” to update the information on the page.
20
Figure 22 - Status Page
System Setting
The “System Setting” page (Figure 23) allows you to change some of the Midsp an’s settings including:
Web Server Port: The port used to connect to the Midspan’s web interface (default is 80).
System Name: Custom name which can be used to identify the unit in the Web Management Utility.
Location Name: Custom name which indicates the location of the device to help the user locate it.
Login Timeout: The amount of time the user can be inactive before being automatically logged out of the
web interface.
IP Address: The IP address of the device.
Subnet Mask: The subnet mask of the device.
Gateway: The default gateway of the device.
Figure 23 - System Setting
21
Trap Setting
The “Trap Setting” page (Figure 24) enables the device to sent Traps (alerts) to the Web Management
Utility. To enable traps, enter the IP address of the computer running the Web Management Utility that
will be receiving the traps in the Trap IP field.
Figure 24 - Trap Setting
Device Bootup: A trap is sent when the device boots up.
Illegal Login: A trap is sent if someone tries to log into the web interface using the wrong password. The
trap will record which IP address the login attempt came from.
PoE Power fail: A trap is sent when a port’s PoE function has fail.
Power on/Power off: A trap is sent when the PoE port’s power is turned on or off.
Power over current: A trap is sent when the PoE port’s power is over current.
Power short circuit: A trap is sent when the PoE port suffers a short circuit.
Power threshold on/off: A trap is sent ratio of the power required to available system power exceeds or
falls under the System power Threshold (see the PoE Setting page for details).
Set Password
The “Password Setting” page (Figure 25) allows you to change the login password. It is highly
recommended that the password be changed from the default as soon as possible.
If you forget the password, you can press the “Reset” button in the rear panel of the Midspan to reset it,
but it will also result in the resetting of all of the settings of the device including IP address, default
gateway, etc. to factory defaults.
Figure 25 - Password Setting
22
Backup Setting
The “Backup Setting” page (Figure 26) allows you to back up the current configuration of the switch to a
file that can be saved on the computer, and restore the system settings from a backup file. To perform a
backup, click “Backup” to create a file which can be saved on the local computer.
To restore the settings from a backup file, click “Browse…” and specify the backup file, then click
“Restore” to proceed with restoring the settings from the file.
Note: when restoring settings from a backup file, the current password will remain the same.
Figure 26 - Backup Setting
Reset Setting
The “Factory Reset” page (Figure 27) allows you to reset the unit to factory defaults, including password,
IP address, etc.
Figure 27 - Reset Setting
Logout
Selecting the Logout option will log you out of the web interface (Figure 28).
Figure 28 - Logout
23
TECHNICAL SPECIFICATIONS
Standards:
Protocol: CSMA/CD
Data Transfer Rate:
Topology Star
12 x Data ports
12 x PoE ports
1 x Management port
Power over Ethernet
Up to 15.4W per port
Maximum 185W per device
Power(+): pin 4 & pin 5 in RJ-45
Power(-): pin 7 & pin 8 in RJ-45
Over current protection
Circuit shortage protection
Physical and Environmental
AC inputs: 100-240 VAC, 50-60 Hz
Power Consumption: 200W (maximum with 12 x 15.4W PoE Device connected)
Operating Temperature: 32°F - 104°F (0°C - 40°C)
Storage Temperature: 14°F - 158°F (-10°C - 70°C)
Humidity: 10% - 90% RH, non-condensing
Dimensions (W x D x H): 17.3” x 8.3” x 1.7” (440 mm x 210 mm x 44 mm)
EMI: FCC Class A, CE Mark Class A, VCCI Class A
Safety: cUL (UL 60950), CB (IEC 60950)
24
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