Spectracom NetClock System Instructions
For Complete Warranty Information, contact Spectracom NetClock Wireless Clock System Instructions
CAUTION
www.spectracomcorp.com / US +1.585.321.5800 1168-5001-0050 Rev. H, Copyright June, 2011
The Spectracom NetClock Wireless Clocks
are cost-effective facilities clocks that display synchronized time
across a campus, within a structure, or in a variety of other
installations. A Wireless Clock System comprises one or more
analog or digital display clocks, wireless transceivers, repeaters
(where required), and NetClock time server(s).
1 Inventory and Inspection
Before installing the Wireless Clock System, please verify that all
material ordered has been received. If there is a discrepancy, please
contact Spectracom Customer Service at US +1.585.321.5800.
Once connected to a synchronized time source, the NetClock
Wireless Clock System transceiver transmits a signal to correct and
synchronize the time shown on the individual display clocks.
Spectracom Wireless Clocks synchronized in this manner should not
be set individually for this reason.
TABLE OF CONTENTS
1 INVENTORY AND INSPECTION 1-1
2 INSTALLATION 2-2
2.1 Install the Transceiver ................................................................................... 2-2
2.1.1 Connect Transceiver Power ................................................................... 2-2
2.1.2 Mount the Transceiver ............................................................................ 2-2
2.1.3 Make Necessary Connections ............................................................... 2-3
2.2 Configuring the Transceiver .......................................................................... 2-3
2.2.1 Configuring the Transceiver from the LED Display ................................ 2-3
2.2.2 Configuring the Transceiver from the Web UI........................................ 2-5
2.2.3 If Your Network Does Not Support DHCP ............................................. 2-5
2.2.4 Web UI Configuration ............................................................................. 2-5
2.3 Installing Antennas and Repeaters ............................................................... 2-6
2.4 Installing Digital Display Clock(s) .................................................................. 2-6
2.4.1 Synchronizing to the Transceiver ........................................................... 2-4
2.5 Installing Analog Display Clock(s) ................................................................ 2-4
2.5.1 Synchronizing to the Transceiver ........................................................... 2-4
2.5.2 Conserving Battery Power...................................................................... 2-4
2.5.3 Manually Transmitting and Receiving .................................................... 2-4
2.5.4 Testing the Distance Between Clocks Used as Repeaters ................... 2-4
3 CONFIGURING 6-DIGIT DIGITAL CLOCKS 3-4
3.1 Configuring Six-Digit Clocks Individually ...................................................... 3-4
4 TROUBLESHOOTING 4-6
4.1 Transceiver Troubleshooting Tips ................................................................ 4-6
4.1.1 Transceiver Will Not Synchronize to External Timing Reference .......... 4-6
4.1.2 Transceiver Does Not Power Up ............................................................ 4-6
4.2 Clock Troubleshooting Tips .......................................................................... 4-6
4.2.1 Digital Clock Does Not Receive Signal (Colon Blinking) ....................... 4-6
4.2.2 Digital Clock Does Not Power Up .......................................................... 4-6
4.2.3 Analog Clock Hands Do Not Move After Power-Up ............................... 4-6
4.2.4 Analog Clock Does Not Receive Signal ................................................. 4-6
4.2.5 Analog Clock Displays Incorrect Time ................................................... 4-7
4.2.6 Desire to Verify Analog Clock Signal Quality ......................................... 4-7
4.2.7 Signal to Desired Clock Location Receives is Marginal......................... 4-7
4.2.8 Distance Between Clocks is Too Great ................................................. 4-7
4.3 Analog Diagnostic 1 ...................................................................................... 4-7
4.4 Analog Diagnostic 2 ...................................................................................... 4-7
4.5 Analog Diagnostic 3 ...................................................................................... 4-7
NOTE: If equipment is returned to Spectracom, it must be shipped
in its original packing material. Save all packaging material
for this purpose.
Unpack the equipment and inspect it for damage. If any equipment
has been damaged in transit, please contact Spectracom Customer
Service at US +1.585.321.5800.
NOTE: The Wireless Clock System is not field-serviceable. If you
experience any problems with your display clocks,
repeaters, or transceivers, these components must be
shipped to Spectracom for service. Please contact
Spectracom at US +1.585.321.5800 before returning any
equipment and always ship the equipment in its original
packaging material.
NOTE: The range of the transceiver in unobstructed space is
approximately 2,000 meters; the range of the low-power
variant may be considerably less.
NOTE: This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15 of
the FCC rules. These limits are designed to provide
reasonable protection against harmful interference in a
commercial installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. FCC
recommends a distance of 10cm from the clock to constant
human physical exposure.
Electronic equipment is sensitive to
Electrostatic Discharge (ESD).
Observe all applicable ESD
precautions and safeguards when
handling the Spectracom equipment.
LIST OF FIGURES
Figure 2-1: Line Cord Receptacle Installation .................................................................. 2-2
Figure 2-2: Rack-Mounting the Transceiver ..................................................................... 2-2
Figure 2-3: Transceiver Connections ................................................................................ 2-3
Figure 2-4: Login Screen .................................................................................................. 2-5
Figure 2-5: Successful Login ............................................................................................ 2-5
Figure 2-6: Technician-Level Menu .................................................................................. 2-6
Figure 2-7: Populating IP Address Fields ......................................................................... 2-6
Figure 2-8: Repeater Installation ...................................................................................... 2-6
Figure 2-9: Mounting Digital Display Clocks ..................................................................... 2-4
Figure 2-10: Digital Display Clock Wiring (4-Digit Typical) ............................................... 2-4
Figure 2-11: Digital Display Clock Wiring (6-Digit Units) .................................................. 2-4
Figure 2-12: Double-mounting Digital Display Clocks
Figure 2-13: Mounting Analog Display Clocks .................................................................. 2-4
Figure 2-14: Analog Display Clock Wiring, LEDs, and Switches ..................................... 2-4
Figure 2-15: Double-mounting Analog Display Clocks ..................................................... 2-4
Figure 3-1: Detailed Wiring for 6-Digit Digital Clocks ....................................................... 3-4
...................................................... 2-5
Spectracom Corporation: 1565 Jefferson Road, Rochester, NY 14623 1 of 19
For Complete Warranty Information, contact Spectracom NetClock Wireless Clock System Instructions
WARNING
Spectracom recommends the power supply
snaps into place from
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2 Installation
Installing the Wireless Clock System consists of these steps:
1. Physically install the Clock Controller (transceiver) in your
equipment rack (Figure 2-1). Make all necessary
connections as shown in Figure 2-3.
2. Configure the transceiver at the unit or through the Web
User Interface. This includes configuring any external
timing references, such as NetClocks, to which the unit is
connected, either through Ethernet or through RS-485.
3. Install display clock(s) and synchronize the clock(s) to the
transceiver signal.
2.1 Install the Transceiver
The transceiver may be installed according to three possible facilities
scenarios:
Scenario 1: The transceiver has sufficient coverage for the
Scenario 2: In order to cover the entire campus or structure,
Scenario 3: In order to cover the entire campus or structure,
NOTE: Spectracom highly recommends installing the transceiver
before installing the display clocks. After installing the
transceiver, begin installing the clocks nearest to the
transceiver. Continue installing clocks, working from the
transceiver as the central point, until all clocks have been
installed and have corrected for the transceiver’s
transmitted time.
NOTE: A repeater is available from Spectracom. The repeater
receives and rebroadcasts a stronger wireless signal,
making it useful for bridging gaps between clocks.
entire campus or structure. This means the
system does not depend on the display clocks for
transmission.
the display clocks (running on batteries) are used
as transceivers/repeaters to augment the
transceiver unit.
the display clocks (running on 110V, 220V, or 24V
power) are used as transceivers/repeaters to
augment the transceiver unit.
1. Remove the rear
cover of the chassis
and punch out the
square knockout.
2. Strip the power cord
wires and prepare
the plastic bushing
used with the power
cord.
3. Use pliers to install
the bushing, lettering
facing up, roughly
one inch from the
end of the power
cord insulation.
4. Connect the power
wires according to
the wiring diagram
found inside the
transceiver chassis.
The plastic bushing
the outside.
Figure 2-1: Line Cord Receptacle Installation
2.1.1 Connect Transceiver Power
Remove the rear cover. Prepare the power cord (Figure 2-1).
Installation personnel will need to punch out the appropriate access
hole in the transceiver chassis in order to make the connection.
be connected by qualified personnel only.
Installation of the power cord by unqualified
personnel may cause injury or death and
will void the Spectracom product warranty.
2.1.2 Mount the Transceiver
Mount the transceiver in your equipment rack using the Nylon
washers, the screws, and the threaded nuts supplied (Figure 2-2).
You may wish to make connections first. (A wall mount version of the
transceiver is also available. Drill and install as appropriate using the
equipment provided.)
Spectracom Corporation: 1565 Jefferson Road, Rochester, NY 14623 2 of 19
Figure 2-2: Rack-Mounting the Transceiver
For Complete Warranty Information, contact Spectracom NetClock Wireless Clock System Instructions
RS-485 ETHERNET POWER
REMOTE RF
OPTION NUMBER
CONFIGURED OPTION
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ANTE NN A
Figure 2-3: Transceiver Connections
2.1.3 Make Necessary Connections
1. Make all connections as shown
in Figure 2-3 and according to
the wiring and connection
diagrams found inside the
transceiver chassis. Do not
forget to connect the
transceiver’s remote RF
antenna (right).
This is must be wired from the
transceiver to the repeatersized box provided. The small
whip antenna also provided
must be screwed into place in
the repeater-sized box. Replace
the transceiver cover and apply
power.
2.2 Configuring the Transceiver
After the transceiver is installed, it must be configured. This can be
done at the transceiver using its built-in LED display with the “Set
Hour” and “Set Minute” buttons, or it may be done through your
network using the transceiver’s Web User Interface (Web UI).
NOTE: Configuring the transceiver through the Web UI requires
that the unit be assigned an IP address so it can be
accessed through the network. If your network is not
running DHCP or the transceiver cannot acquire an IP
address when connected, you must assign a static IP
address to the transceiver.
2.2.1 Configuring the Transceiver from the LED Display
There are two buttons located on the transceiver next to the LED
display. These buttons are “Set Hour” and “Set Minute.” To enter
the programming mode, which allows you to configure the
transceiver, press both the “Set Hour” and “Set Minute” buttons
simultaneously.
Once programming mode has been entered, the number "1" will appear in the far left
position. Option 1, for example, sets the year, while options 2 and 3 set the month and
day. (It is not necessary to change the year, month, or day manually if your transceiver
receives an external timing reference from some other source, such as a NetClock.)
Press the top button (the “Set Hour” button) to advance the option until the number
displayed matches the numbers described herein (the left-hand numbers). Press the
bottom button (the “Set Minute” button to change the option as described, configuring your
clocks as required.
NOTE: Do NOT change options that are not listed in these instructions. Changing
options unnecessarily may alter the configuration of your transceiver and affect
Scroll through this
using the top, or
“Set Hour,” button.
Use the bottom or “Set
Minute” button to change
this to the desired option.
its function. Scroll through options not described herein and change only those
options listed (and necessary).
After each option is set as desired, use the top button (the “Set Hour” button) to scroll to
the next option you wish to configure. Again, scroll PAST any items not described herein.
They do not apply to your Spectracom system and should not be changed.
Option 10: Access Options 12 and 13
Use the bottom button (the “Set Minute” button) to change the option to “08” in order to set
options 12 and 13. Entering any other value for Option 10 will cause the menu to scroll to
option 20 when the “Set Hour” button is pressed again. (You do not need to set option 11.)
8: Access Options 12 and 13
Spectracom Corporation: 1565 Jefferson Road, Rochester, NY 14623 3 of 19
For Complete Warranty Information, contact Spectracom NetClock Wireless Clock System Instructions
www.spectracomcorp.com / US +1.585.321.5800 1168-5001-0050 Rev. H, Copyright June, 2011
Option 12: Enable or Disable Daylight Saving Time (DST)
Skip option 11 and access option 12. Use the bottom button (the “Set Minute” button) to
change the option to 1, 2, or “d.”
1: Pre-2007 DST Rule
2: Post-2007 DST Rule
d: Disable DST Rule
Option 13: Set 12- or 24-Hour Mode
Use the bottom button (the “Set Minute” button) to change the option to 12 or 24.
12: 12-Hour Display
24: 24-Hour Display
Option 30: Set the Primary Auxiliary Input
Use the bottom button (the “Set Minute” button) to change the option to 01 or 13. Do NOT
use any other available value, for these values may affect the transceiver’s operation.
01: SNTP (your network Ethernet connection)
13: RS-485
Option 31: Set the Secondary Auxiliary Input
Use the bottom button (the “Set Minute” button) to change the option to either 01 or 13. Do
NOT use any other available value, for these values may affect the transceiver’s operation.
01: SNTP (your network Ethernet connection)
13: RS-485
Option 32: Set Time Zone Offset
Use the bottom button (the “Set Minute” button) to change the option to the number of
hours of time zone offset desired. For example, -5 sets the offset to EST. The available
offset values range from -12 to 12.
Option 33: Set Input Time Bias
This option allows the user to set a number of seconds to adjust the input time, ranging
from 0 to 7500 seconds. (In most cases, it is not necessary to set this value.)
Option 40: Status, Last Input Signal Received
This is a read-only value that indicates the number of hours since the unit last received an
input signal. This option cannot be modified.
Option 44: Status, Internet Connectivity
This is a read-only value that indicates whether the unit is connected to the Internet. “01”
indicates that an Internet connection is present. “00” indicates that an Internet connection
is not available. This option cannot be modified.
Option 45: Set the Unit to its Static IP Address
Use the bottom button (the “Set Minute” button) to change the option to “OFF” or “cr.” This
allows the user to set the unit to its default static IP address (when DHCP is not available).
NOTE: When setting the unit to static IP, wait 20 seconds and then CYCLE POWER.
OFF: Obtain IP Address Using DHCP (Normal Network Mode)
cr: Crossover Mode (unit’s IP address fixed to 192.168.0.123)
Spectracom Corporation: 95 Methodist Hill Drive, Rochester, NY 14623 4 of 19
For Complete Warranty Information, contact Spectracom NetClock Wireless Clock System Instructions
www.spectracomcorp.com / US +1.585.321.5800 1168-5001-0050 Rev. H, Copyright June, 2011
2.2.2 Configuring the Transceiver from the Web UI
The transceiver may be configured through the Web User Interface
(Web UI). If your network includes DHCP, the transceiver will
acquire an IP address automatically. When the unit is connected to
your network and power is applied, determine the IP address as
follows:
1. Press the “Set Hour” and “Set Minute” buttons
simultaneously and release them. The unit will enter
programming mode.
2. Press the “Set Hour” and “Set Minute” buttons
simultaneously again and release them. The unit will
display “IP 000,” where 000 is the first three digits of the IP
address it has been assigned. Press and release both
buttons simultaneously several times to prompt each of the
segments of the IP address to display. When you have
finished scrolling through the address, the unit should
return to its time display. (If you accidentally enter
programming mode, you can press the “Set Hour” button to
scroll through the menu options until the time display
returns.)
3. Navigate to the displayed IP address in your web browser.
You will be prompted to log in. In the screens provided as
illustrations herein, the IP address assigned to the
transceiver was 192.168.1.41.
2.2.3 If Your Network Does Not Support DHCP
If your network does not support DHCP or your transceiver cannot
acquire an IP address from your network, set the unit to its default
static IP address by performing the following steps:
1. There are two buttons located on the transceiver next to the
LED display. These buttons are “Set Hour” and “Set
Minute.” To enter the programming mode, which allows
you to configure the transceiver at the unit, press both the
“Set Hour” and “Set Minute” buttons simultaneously.
2. Once programming mode has been entered, the number
"1" will appear in the far left position. Option 1, for
example, sets the year, while options 2 and 3 set the month
and day. (It is not necessary to change the year, month, or
day manually if your transceiver receives an external timing
reference from some other source, such as a NetClock.)
3. Press the top button (the “Set Hour” button) to advance the
option until the number displayed is “45.” Press the bottom
button (the “Set Minute” button to change the option on the
right side from “OFF” to “cr.” This means the unit has
entered the crossover mode. It has been set to its factory
default static IP address, 192.168.0.123.
NOTE: Do NOT change any other options when making this
adjustment. Refer to Configuring the Transceiver from the
LED Display for more information.
4. Use the “Set Hour” button to scroll past the remaining menu
options and return to the time display. Cycle the unit power.
NOTE: Power to the unit MUST be cycled once this configuration
change has been made, or the change to static IP address
will not be applied. Wait 20 seconds before cycling
power. It is critical that power be cycled after this delay.
5. Using a web browser on a computer connected to your
transceiver’s network, navigate to 192.168.0.123.
Spectracom Corporation: 1565 Jefferson Road, Rochester, NY 14623 5 of 19
2.2.4 Web UI Configuration
When you navigate to the transceiver’s IP address (either assigned
through DHCP or as set statically using the factory default), you will
be prompted to log in. The factory default password is 6063.
NOTE: Screen captures are shown for illustrative purposes. Your
software may vary slightly from the depictions contained
herein.
Figure 2-4: Login Screen
Once you have logged into the Web UI (Figure 2-5), you may change
the date and time or access the technician-level menu.
NOTE: Remember to click “submit” rather than simply pressing
“enter” when making changes in the Web UI.
Figure 2-5: Successful Login
From the technician-level menu (Figure 2-6), the user may change
system settings such as password, RS-485 data rate, time zone
offset, and input references. Web UI pages are reasonably intuitive;
simply follow the directions provided.
For Complete Warranty Information, contact Spectracom NetClock Wireless Clock System Instructions
6.938 in.
17.6 cm
5.75 in.
WIRING PANEL
RS-485 120VAC @ 0.2 Amps
Input A
10
USA
Europe
Input B
9 L2 Neutral
White
Blue
Output B
8 Ground
Green
Yellow/Green
Output A
7 L1 Hot
Black
Brown
www.spectracomcorp.com / US +1.585.321.5800 1168-5001-0050 Rev. H, Copyright June, 2011
6.938 in.
17.6 cm
14.6 cm
Figure 2-6: Technician-Level Menu
NOTE: When setting IP addresses (Figures 2-7) it may or may not
be necessary to repeat IP addresses in multiple fields.
Figure 2-8: Repeater Installation
REPEATER WIRING TABLE
2.4 Installing Digital Display Clock(s)
Display clocks can be wall-mounted (Figure 2-9) or double-mounted
(Figure 2-12). Spectracom recommends the following installation
procedure:
1. Wireless Clocks can be powered from a 24 volt source or
from a 110 volt source. For four-digit clocks, connect the
wiring as shown in Figure 2-10, setting the clock board’s
jumpers as required.
Figure 2-7: Populating IP Address Fields
NOTE: There may be many settings accessible through the Web
UI that you need not change for your application.
Whenever you are not certain of a value, leave it set to the
factory default. Contact Spectracom Customer Service at
US +1.585.321.5800 if you require further assistance.
2.3
Installing Antennas and Repeaters
Antennas and repeaters are built using identical housings. Install
repeaters to cover gaps in signal coverage. Remove the cover of the
chassis, install physically as shown in Figure 2-8, and wire as shown
in the repeater wiring table. Set repeater jumpers JP1 and JP2 on
the bottom pair of each trio of pins. (The top pair of pins on the
jumpers are used when the unit is used as a transmitter.)
NOTE: 14 AWG is the smallest conductor acceptable for power
input.
NOTE: For six-digit clocks, connect the wiring as shown in
NOTE: For 24 volt installations, make sure the transformer is
NOTE: Wall-mounted clocks may also be mounted flush with the
To double-mount digital display clocks (Figure 2-12), Spectracom
recommends the following procedure:
Figure 2-11 and refer to Section 3 for clock configuration
and programming. Figure 3-1 includes detailed wiring.
2. Mount the wall mount box into the double gang box using
four machine screws.
3. Connect the ground wire into the flush mount box using a
tooth lockwasher and machine screw nut.
4. Disconnect the red filter from the display panel.
5. Complete the wiring connections as shown herein.
ISOLATED.
6. Mount the display panel into the flush mount box using four
black machine screws. Make sure the switches are on the
right side.
7. Snap the red filter into the display panel.
wall surface.
1. Screw the hanger/mounting rod into the crossbar.
2. Insert the wires through hanger/mounting rod.
Spectracom Corporation: 1565 Jefferson Road, Rochester, NY 14623 6 of 19
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