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Leap Indicator

The GPS, Timecode, and LF Radio reference inputs provide time and phase, while the
1PPS, and 10MHz inputs provide phase only.

The modem, which provides dial-up time service, is not an Input Reference; it is a server
association on the NTP daemon.

Leap Indicator

The Leap Indicator (LI) is a two-bit binary number in the NTP packet header that provides
the following information:

n

Advance warning that a leap second adjustment will be made to the UTC timescale at the
end of the current day. Leap seconds are events mandated by the world time authority
(BIPM) in order to synchronize the UTC time scale with the earth's rotation.

n

Whether the NTP daemon is synchronized to a timing reference. The settings on the

NTP - Prefs

(on page 50) page affect LI behavior.

LI Value

Meaning

00

0

No warning.

01

1

Leap second insertion: Last minute of the day has 61 seconds.

10

2

Leap second deletion: Last minute of the day has 59 seconds.

11

3

Alarm condition (Not synchronized)

When the SyncServer or NTP daemon is started or restarted, the leap indicator is set to "11",
the alarm condition. This alarm condition makes it possible for NTP clients to recognize that
an NTP server (the SyncServer) is present, but that it has yet to validate its time from its time
sources. Once the SyncServer finds a valid source of time and sets its clock, it sets the leap
indicator to an appropriate value. The

NTP Leap Change Alarm

on the

ADMIN - Alarms

page can be configured to generate an alarm and send notifications each time the leap indic-
ator changes state.

NTP Associations

An NTP association is a configured relationship between the SyncServer's NTP daemon
and another NTP node. The

Role

of the association determines the behavior between the

NTP daemon and NTP node. The most common type of association (

Role

) is

Server

, which

means the NTP node operates as a server to the SyncServer's NTP daemon.

The Hardware Clock (on all models) and the Modem

1

(on the S300 and S350) are NTP

nodes that exist within the SyncServer. All other NTP nodes exist on the network and can
only be reached through the network interfaces on the SyncServer.

1

The SyncServer S350i does not include a modem.

997-01520-02 Rev. F1

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Содержание SyncServer S350i

Страница 1: ...SyncServer S300 S350 S350i User Guide Rev F1 May 2015 Part Number 997 01520 02 CD Number 998 01520 02...

Страница 2: ...Page 2...

Страница 3: ...tware interfacing or supplies iv of improper use including termination of non certified third party equipment on Microsemi s proprietary interfaces and operation outside of the product s specification...

Страница 4: ...Division 3870 N 1st Street San Jose CA 95134 Telephone 1 408 428 7907 For Sales Technical Support and Return Materials Authorization please See Microsemi Customer Assistance on page 5 RevisionHistory...

Страница 5: ...please visit Microsemi World wide Saleshttp www microsemi com sales contacts 0 online To reach a Microsemi Customer Assistance Center call one of the following numbers n Worldwide Main Number 1 408 42...

Страница 6: ......

Страница 7: ...15 Halting the SyncServer 15 Product Overview 17 Comparison by Model 18 Web Interface 21 Login 23 Properties of User Names and Passwords 23 STATUS General 24 STATUS Network 25 STATUS Timing 26 STATUS...

Страница 8: ...guration Settings from a File 61 TIMING Time Zone 61 TIMING HW Clock 61 TIMING Holdover 63 TIMING Sysplex 64 TIMING Time Interval 67 REFERENCES GPS 70 GPS Position and Operating Mode 70 REFERENCES Tim...

Страница 9: ...rt 112 Status LEDs 113 Keypad Display 113 Rear Panel 114 Radio LF Radio Module 114 Modem 114 Power and Alarm Relays 114 Network Ports 115 Sysplex Out 116 10MHz In 117 10MHz Out 117 1PPS In 117 1PPS Ou...

Страница 10: ...tion and Altitude 133 WARNING Removing Power 133 CAUTION VAC Power 133 CAUTION DHCP Not Available 134 CAUTION Stopping the SyncServer 134 CAUTION Lithium Battery 134 Tasks 135 Installation Guide 136 U...

Страница 11: ...Time Service 159 Working with Generic NTP Devices 160 Using NTP Authentication 160 Using MD5 Keys on a SyncServer 161 Using MD5 Keys on a Generic NTP device 162 Using Autokey 163 Enabling Secure Logi...

Страница 12: ...176 Deleting a Current User 176 Estimating Worst Case Time Error when GPS is Unavailable 176 Setting the Time Manually 177 Distributing GPS Time 178 Distributing Non UTC Time 180 Configuring SNMP 181...

Страница 13: ...ain User Guide Configuring the SyncServer Recommended Tasks GPS antennas not rated for 12 VDC power may be damaged if connected to the SyncServer 1 Mount the standard L1 GPS antenna supplied in a loca...

Страница 14: ...k ports using NETWORK Ethernet n Assign static IP addresses n Protect LAN1 and the other ports from unauthorized IP addresses or address ranges using the Allowed Access feature 8 Configure the NTP cli...

Страница 15: ...activity within the last second No NTP activity in the last second Alarm Major Alarm Minor Alarm No Current Enabled Alarms Power off Also see Stratum on page 202 Halting the SyncServer Microsemi recom...

Страница 16: ......

Страница 17: ...erence Redundancy n Independent Time References GPS Timecodes 1PPS 10MHz n Versatile Timing Outputs IRIG A B E G NASA36 XR3 2137 AM or DCLS 1PPS 10MHz Sysplex n Stratum 2 Operation via NTP Servers n R...

Страница 18: ...ptional Y Y SNTP Time Daytime Y Y Y Y NTP performance requests second 3200 7000 3200 7000 Time References inputs SyncServer Model Comparison Enterprise Class Advanced Timing Feature S200 S300 S250 S35...

Страница 19: ...of Ethernet ports 3 4 3 4 User Inter face SyncServer Model Comparison Enterprise Class Advanced Timing Feature S200 S300 S250 S350 Web Interface Y Y Y Y Vacuum fluorescent display multi line Y Y Y Y...

Страница 20: ...B E G NASA36 XR2 2137 outputs AM DCLS Y Misc SyncServer Model Comparison Enter prise Class Advanced Timing Feature S200 S300 S25 0 S350 General server status logs Y Y Y Y Autocheck for firmware upgra...

Страница 21: ...5 NETWORK SNMP Traps 37 NETWORK Ping 37 NTP Sysinfo 39 NTP Daemon Status 39 NTP Assoc 42 NTP Config 43 NTP MD5 Keys 47 NTP Autokey 48 NTP Autokey Client 49 NTP Prefs 50 PTP Option and Time Interval Te...

Страница 22: ...eset 77 Factory Default Settings 78 SYSTEM Options 82 ADMIN Web 82 ADMIN Users 84 ADMIN Alarms 85 Alarm Descriptions 86 Factory Default Settings for Alarms 89 ADMIN Logs Config 90 ADMIN Relays 92 ADMI...

Страница 23: ...emails it to the user s email address For this feature to be available the user must enable it using the ADMIN Users or WIZARDS 1st Setup pages Use the ADMIN Web on page 82 page to configure the statu...

Страница 24: ...i e _ Passwords may NOT be all lowercase all uppercase all numeric or match the username They additionally may NOT contain any of the following n Single quote apostrophe n Grave accent n Plus n Backsl...

Страница 25: ...of the SyncServer s network ports n The name of the Port n The following Address information for each network port n mac The MAC Address n v4 The IPv4 Address if used n v6 link The IPv6 Address if use...

Страница 26: ...able for use by the Hardware Clock Also see TIMING HW Clock on page 61 to arrange the priority of the Input References Some of these references are options or are only available in specific SyncServer...

Страница 27: ...e of accuracy this mode offers is fine for NTP time over networks but is less than optimal for the timing out puts available on some SyncServer models n Position Hold The GPS receiver has completed Su...

Страница 28: ...by but not to synchronize the peer n Symmetric Active A host operating in this mode sends periodic messages regardless of the reachability state or stratum of its peer By operating in this mode the ho...

Страница 29: ...s rotation n Whether the NTP daemon is synchronized to a timing reference The settings on the NTP Prefs on page 50 page affect LI behavior LI Value Meaning 00 0 No warning 01 1 Leap second insertion...

Страница 30: ...ue of INIT may be displayed as 73 78 73 84 the ASCII decimal val ues Once a peer has been selected the clock may be stepped in which case the reference ID field will change to STEP or 83 84 69 80 Once...

Страница 31: ...ation is enabled and performed on outgoing NTP packets this adds a trivial amount of fixed delay that can be removed based on the authdelay value This value is always set to zero on the SyncServer STA...

Страница 32: ...d using the ADMIN Alarms page For each listing Time The local date and time at which the alarm was raised Severity The severity of the alarm event Major Minor Name The name of the alarm from the list...

Страница 33: ...ort n Management Port User DNS Servers Manually enter one or more DNS Server IP addresses here if not supplied by DHCP n Management Port DHCP DNS Servers Read Only If LAN1 has DHCP enabled and DHCP is...

Страница 34: ...n optional con figuration parameter Management Reserved for future use Redundant Bonds LAN3 to LAN2 as virtual device with a single network address n Active The Active port handles network traffic LAN...

Страница 35: ...P daemon NTP stratum web interface are temporarily unavailable n The Status LEDs NTP stratum and Alarms change states Attach Cables to IPv6 Configured Ports The NTP daemon rescans all interface ports...

Страница 36: ...nt client User Name Name of v3 User Mode Currently only rouser read only user mode is supported Level Shows the Min Priv level of the user see Min Priv below n auth Authentication n noauth No Authenti...

Страница 37: ...For SNMPv1 v2c traps an optional community For SNMPv3 traps a required SNMP v3 user on the recipient system Send as Inform Sends an INFORM PDU otherwise a TRAP PDU or TRAP2 PDU is sent Auth Phrase Fo...

Страница 38: ...entirely determined by the Linux kernel routing table If the target Ipv6address is a link local IPv6 address the I eth dev must also be a link local address as specified in the way that SyncServer por...

Страница 39: ...ge has been sent in reply By operating in this mode the host announces its willingness to synchronize and be synchronized by the peer A host operating in client mode a workstation for example occasion...

Страница 40: ...valid source of time and sets its clock it sets the leap indicator to an appropriate value The NTP Leap Change Alarm on the ADMIN Alarms page can be configured to generate an alarm and send notificati...

Страница 41: ...ay the IP address of the server or a hash unique to the association between the SyncServer and the remote server reference time also reference timestamp The time when the SyncServer last received an u...

Страница 42: ...NTP association Hard ware Clock is the SyncServer s Hardware Clock In the case of a remote NTP connection this will be the IP address of the remote end The character in the left margin indicates the...

Страница 43: ...he remote end of the NTP association For example a value of 0 07817 equals approximately 78 milliseconds The Delay for the Hardware Clock is 0 For most NTP associations typical values range from tens...

Страница 44: ...ions the term SyncServer means the local NTP daemon on the SyncServer Role n Server n Addressing Use with IPv4 class A B and C addresses n Description Creates a persistent association between the Sync...

Страница 45: ...rver and the clients See Using NTP Authentication on page 160 n Typical Usage Broadcast associations to reduce network traffic with a large num ber of NTP clients n Broadcast Client n Addressing The u...

Страница 46: ...sual one The packet spacing is about two seconds This is designed to improve timekeeping quality for server associations This setting should only be used in agreement with the administrator of the rem...

Страница 47: ...ys as follows n View and copy the current keys n Upload a file containing keys from a local PC drive to the SyncServer n Download the SyncServer s current key file to a local PC drive Generate This bu...

Страница 48: ...ivate Certificate n IFF Identification Friend or Foe n GQ Guillow Quisquate Note The PC scheme does not have a group key file The user installs the IFF and GQ group key file on the Autokey client Serv...

Страница 49: ...ciations where the Syn cServer is an NTP client Note MD5 and Autokey cannot be used on the SyncServer concurrently Configuring one method erases the keys or certificates of the other Configuration of...

Страница 50: ...ollowing stages of operation the NTP Prefs settings only apply during the Loss of All References stage 1 Startup Upon starting before synchronizing with any NTP associations the NTP dae mon reports to...

Страница 51: ...erver into a IEEE 1588 2008 Grandmaster This hardware based PTP option is only sup ported on LAN2 of the S300 and S350 SyncServers The Time Interval Measurement is included as part of the PTP option o...

Страница 52: ...ests per second n NTP vs PTP Capacity PTP is a higher priority than NTP PTP delay_request messages second NTP Requests second 10 3500 3000 2000 4000 1100 n The PTP daemon can process up to 6000 delay_...

Страница 53: ...IES GET supported UNICAST_NEGOTIATION_ENABLE NOT SUPPORTED PATH_TRACE_LIST NOT SUPPORTED PATH_TRACE_ENABLE NOT SUPPORTED GRANDMASTER_CLUSTER_TABLE NOT SUPPORTED UNICAST_MASTER_TABLE NOT SUPPORTED UNIC...

Страница 54: ...ill show up on the right side under Installed Options 7 Go to NETWORK Ethernet page and enable LAN2 interface preferably Static address 8 Go to the SERVICES Startup page and make sure the PTP daemon i...

Страница 55: ...TL In this text box you can set the number of router hops up to 256 hops The TTL range is 1 to 256 if you enter 0 or 256 a message stating that the value of TTL is out of range will appear Note 1588 m...

Страница 56: ...f request packets from the slaves connected to this unit See Sync Interval on page 54 When the P2P selection is made at the Delay Mechanism see above the following selec tions are available l 64pkt 1...

Страница 57: ...y the protocol A domain defines the scope of PTP message communication state oper ations data sets and timescale PTP devices may participate in multiple domains however unless otherwise specified in t...

Страница 58: ...terval 1 pkt 1 sec Priority 1 128 Priority 2 128 Domain Number 0 Mean Announce Message Transmit Interval 2 sec Announce Receipt Timeout Multiplier 3 PTP Slaves This page will show all the slaves assoc...

Страница 59: ...e Intervals for up to 4 days For each logged interval you can see the start time in 15 minutes increments showing n How many delay requests were generated n How many Sync Messages were sent n How full...

Страница 60: ...minute intervals To view different data sets click the Data Set button Available selections are l E2E Packets l P2P Packets l E2E Packet Errors l P2P Packet Errors l E2E Queues l P2P Queues l Daemon R...

Страница 61: ...Zones are sorted by continent and city name n Some Time Zones are sorted by country and city name n Some Time Zones are sorted by acronym e g UTC EST n Some islands are sorted by ocean e g Atlantic P...

Страница 62: ...nds of UTC time before switching to Auto Note On the Sysplex Timer output if the user sets Forced Timing Source to Free Run the Sysplex Flywheel Quality Character in effect at that moment remains in e...

Страница 63: ...atum on page 202 The Settings The user can simply set the number of days Holdover lasts or specify a Time Error Limit Set ting either field generates an equivalent value in the other field About Time...

Страница 64: ...Stratum 1 operation n The estimated time error exceeds the user configurable Time Error Limit If the estimated time error exceeds the user configurable Time Error Limit n The Hardware Clock reports to...

Страница 65: ...syn chronizing NTP associations if any are present The default configuration includes three NTP servers on the Internet If no synchronizing NTP associations are present the Hard ware Clock is unsynch...

Страница 66: ...tions and the user is satisfied with using time from other NTP associations n The SyncServer oscillator type has superior time keeping properties compared to the receiving equipment This is usually th...

Страница 67: ...d from the 1PPS in and compared to the top of second of the internal hardware HW Clock This means that you cannot use the 1PPS input as a reference source and measure Time Interval at the same time Th...

Страница 68: ...you to select among the following chart types to view the Time Interval Measurement data l Line l Scatter l Column l Histogram From the Graph pull down menu you can also select between a Dynamic or S...

Страница 69: ...top Date to Display You can configure the way the Histogram chart is displayed using the Histogram Setup selection in the Data menu When the Dynamic Scale checkbox is selected the Histogram chart sets...

Страница 70: ...r could change occasionally or continuously such as vehicles aircraft and ships This setting provides lower timing precision and accuracy than the Survey and Position Hold modes n Position Hold In thi...

Страница 71: ...1344 provides a Leap Indicator warning during the minute preceding a leap second insertion deletion If a leap second adjustment occurs while the SyncServer is syn chronized to IRIG B 1344 NTP clients...

Страница 72: ...n XR3 2137 Timecode glossary n AM Amplitude Modulated n B 1344 Standard IRIG B with information encoded in the control bits per the IEEE 1344 standard These include year daylight saving time Leap Ind...

Страница 73: ...imum Poll Interval by mul tiplying it with the estimated drift rate of the oscillator given on the TIMING Holdover page For example on a SyncServer equipped with a TCXO oscillator the default Maximum...

Страница 74: ...time service Telephone JJY in Japan See http jjy n ict go jp time teljjy teljjy_p1 e html n ITU R Selecting ITU R generates the phone number for PTB s telephone time service in Germany If needed pleas...

Страница 75: ...the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change REFERENCES LF Radio The Low Frequency LF Radio is an optional Input Reference for the SyncServer S300 and S350 mod...

Страница 76: ...e upgrades shortly after noon local time Monday through Friday as determined by the Local Time Zone setting on the TIMING Time Zone page If the software Release and Revision on upgradeS300 txt are mor...

Страница 77: ...upply optional installation parameters if required This field is not required for normal operation INSTALL button To install the upgrade file select the file and click the INSTALL button VIEW button T...

Страница 78: ...Logging in to the Web Interface on page 149 FactoryDefaultSettings Note The S350i SyncServer does not include a GPS receiver LF radio or modem NETWORK Ethernet For LAN1 Connection Mode Static IP Versi...

Страница 79: ...nd 69 25 96 14 Checkbox Active Role Server Prefer Null IP Address 69 25 96 11 69 25 96 12 and 69 25 96 14 Poll Min Null Poll Max Null Key Null Bursti Burst NTP MD5 Keys Autokey Autokey Client All null...

Страница 80: ...le Delay 0 REFERENCES Modem Dial Configuration Tone Dial ATDT Preconfigured Phone Numbers None Dial Up Time Reference Phone Number s None REFERENCES LF Radio Installed Radio Option WWVB 60 kHz SYSTEM...

Страница 81: ...nd Passwords on page 23 ADMIN Alarms Under the ADMIN Alarms topic see Factory Default Settings for Alarms on page 89 ADMIN Logs Config auth log Notice daemon log Notice kern log Notice syslog Notice m...

Страница 82: ...ailable options and installed options l Buttons to apply the available options or cancel the process ADMIN Web Use this page to n Configure the appearance and information displayed on the login page n...

Страница 83: ...es the possibility of accidentally losing unsaved changes n When this feature is disabled the SyncServer suppresses these warning messages Save Configuration Changes when Submitted Enabled by default...

Страница 84: ...e on this page New Password To change the password enter a new password with six or more characters including lower and upper case letters or letters and at least one number See also Prop erties of Us...

Страница 85: ...alarms n Configuring Alarms to clear automatically after 15 minutes n Configuring notification by SNMP traps and email messages n Logging of alarms notification events The Alarm LED at the top left c...

Страница 86: ...ail address If the SMTP gateway is a DNS name LAN1 on NETWORK Ethernet must be configured with a valid DNS server address Note When Clear Now and Auto Clear are used to clear an alarm Send Trap Write...

Страница 87: ...m reaching the antenna or are too weak to be detected by the receiver n The GPS antenna cable may be disconnected broken shorted or too long Timing Timecode Source Alarm The Hardware Clock is not dete...

Страница 88: ...of the event In this case while the SyncServer will propagate that information via NTP NTP cli ents may not query the SyncServer in time to be warned of the leap second adjustment LAN1 Link Alarm A ne...

Страница 89: ...Y Notify Y System Network Y Notify Y System Upgrade Minor Y Y Y System Config Change Notify Y System Health Y Major Y Y Y System Up Down Y Minor Y Y Y System Authentication Y Notify Y Timing No Sourc...

Страница 90: ...s the kernel or the application daemons and priority indicates the severity of the message The priority ranges from Emerg which represents only very significant events like kernel panics to Debug wher...

Страница 91: ...nfo This level captures informational output This level typically provides information regard ing successful operations An example may be a successful file save or a normal application startup Notice...

Страница 92: ...Alarm relay n Any Major Alarm Alarms with Severity Major n Any Major or Minor Alarm Alarms with Severity Major or Minor n Off no relay activation on any alarm The relay is remains energized except wh...

Страница 93: ...US logins The following character set is available for RADIUS logins _ RADIUS Configuration For each server set the following values RADIUS Server IPv4 Address The RADIUS server s IPv4 address Secret...

Страница 94: ...INFO_UNAVAIL reason in other words server is not available the SyncServer attempts to authenticate the user against its own access control list The LAN1 port must have access to the authenticating TAC...

Страница 95: ...r if available through a Telnet session with LAN1 port Once logged in restart the web server by typing HTTP on NTP Network Time Protocol daemon Supports all NTP functions PTP Precision Time Protocol d...

Страница 96: ...must be created The SyncServer can only use self signed certificates Creating a new certificate overrides previously created certificates The certificate values used are not significant to the SyncSe...

Страница 97: ...itute for an individual character and the wild card as a substitute for the rest of a word For example Allowed Users Bird would let Bird1 and Birddog log in Allowed Users Bird would let Bird1 log in b...

Страница 98: ...ng the nature of the event Here is a message showing a successful remote login along with the user id and IP address of the contact 10 01 2005 22 36 28 admin 192 168 7 16 Successful login Events The e...

Страница 99: ...d deletes all NTP associations that are not server associations Also see NTP Config on page 43 and NTP MD5 Keys on page 47 WIZARDS SNMP Use the SNMP wizard to add or change the following SNMP v1 v2c s...

Страница 100: ...ted on local or network drive accessible to the browser Note Resetting or restoring the configuration reboots the SyncServer If LAN1 is configured to use DHCP the DHCP server may assign a new IP addre...

Страница 101: ...with MENU Applies a menu selection or function setting n CLR Use with MENU Returns to the previous screen without saving changes n Left Right Arrow Buttons In functions moves the cursor left or right...

Страница 102: ...y displays a series of status screens for n NTP n Alarms n Network Ports n Hardware Clock n GPS Receiver Note that the SyncServer model 350i does not have a GPS receiver n SyncServer model serial numb...

Страница 103: ...ddress of the port SM Shows the subnet mask IPv4 or scope IPv6 GW Gateway address IPv6 Addr The IPv6 Link local address for this port Also see NETWORK Ethernet on page 32 Hardware Clock Status Screen...

Страница 104: ...e SyncServer Also see REFERENCES GPS on page 70 SyncServer Status Screen Hardware and software identification Software upgrade availability Model The model number S N The serial number Version The sof...

Страница 105: ...ilable for the keypad except to reset factory defaults using the ADMIN Factory Reset page 2 Lockout Password protects the keypad from changes Asks for confirmation 2 Shutdown Halts the SyncServer Pres...

Страница 106: ...nds of inactivity no user inputs When performing the USB upgrade the interface looks for the first valid SyncServer soft ware upgrade tar file If found it extracts the version information and asks the...

Страница 107: ...to uniquely identify the command need to be entered for the CLI to recog nize which command you want to invoke The CLI also accepts multiple commands on a single line when they are separated by space...

Страница 108: ...aa bbb ccc ddd Displays or sets the LAN1 IPv4 gateway Without input the command displays the current IPv4 gateway With input the command sets the new IPv4 gateway Query and action command IPV4DHCP Ena...

Страница 109: ...pause milliseconds Waits for user specified number of milliseconds and then executes the next command if it is provided in the same command line following the number For example the pause 5000 histor...

Страница 110: ...tch off Enter Y to confirm Enter Y to confirm For example HALT Halt SyncServer operating system Enter Y to confirm Y IPV4ADDRESS example Entering IPV4ADDRESS displays sets the IPv4 address For example...

Страница 111: ...sis Grounding Screw 122 VDC Power Supply 122 VAC Power Supply 123 Power Switch 123 Physical 124 Environmental 124 Shock and Vibration 124 Accuracy Stability Timing Performance 124 GPS Antenna 125 Timi...

Страница 112: ...a SanDisk cruzer micro USB device recommended Not all USB flash drives are compatible with the SyncServer s USB ports Also see Keypad Display Interface on page 101 SYSTEM Upgrade on page 77 WIZARDS Up...

Страница 113: ...ackets per second NTP activity within the last second No NTP activity in the last second Alarm Major Alarm Minor Alarm No Current Enabled Alarms Power off Also see Stratum on page 202 Keypad Display T...

Страница 114: ...r ordinary telephone lines POTS Functions as a stratum 1 NTP server association not as a Input Reference to the Hardware Clock Connector RJ 11 Services ACTS USNO TJJY and ITU R TF583 4 used by PTB and...

Страница 115: ...viding a closed set of con tacts between C and NC NetworkPorts Description Three 10 100 Mbps Ethernet ports LAN1 LAN2 LAN3 One 10 100 1000 Mbps Ethernet port LANGBE Connector Four standard RJ 45 8 pin...

Страница 116: ...on time to an attached Sysplex compatible device Con figured as DTE Data Terminal Equipment Configurable via the Web interface Sysplex typ ically uses a null modem serial cable not supplied for interc...

Страница 117: ...noisy the Hardware Clock may not be able to lock to it 10MHzOut Description 10MHz Out a female BNC connector mounted on the rear chassis provides a 10MHz signal from the SyncServer s Hardware Clock C...

Страница 118: ...l shifted DCLS inputs For the SyncServer to maintain lock to this signal the stability of the time code input must be better than the pull range of the system oscillator Also see REFERENCES Timecode o...

Страница 119: ...code from the SyncServer s Hardware Clock The time code format is selected via the Web interface Amplitude Modulated AM and DC Level Shifted DCLS outputs are supported from the IRIG Out BNC Also see R...

Страница 120: ...rueTime NASA 36 XR3 2137 G005 DCLS YR CF Legacy TrueTime AM NASA 36 AM XR 3 250 Hz G145 100 kHz YR CF Legacy TrueTime DCLS NASA 36 DCLS 2137 1 kHz DCLS IRIG Control Function Bits In the following tabl...

Страница 121: ...wing CF bits are encoded Index Bit countname 50 bit 0 51 bit 0 52 bit 0 53 unlock 1 unit is not locked to a reference 54 bit 0 55 tq1 1 timing error estimate 1us 56 tq2 1 timing error estimate 10us 57...

Страница 122: ...enna on page 125 n GPS Cable Configurations Options on page 145 ChassisGroundingScrew Description The chassis grounding screw provides a secure contact for grounding the Syn cServer to a reliable eart...

Страница 123: ...escription Universal type VAC Power supply Connector IEC 320 Input Voltage Range 90 264 VAC Input Frequency Range 47 63 Hz Max Power Initial Power On Continuous With Rubidium Osc 45 watts 35 watts Wit...

Страница 124: ...m above and below the SyncServer or enough space to allow 5 CFM AVERTISSEMENT Installez le SyncServer pour permettre un flux d air autour et a tra vers l unit Microsemi recommande de laisser 1 4 in 3...

Страница 125: ...S relative to 1PPS output 10 uS relative to 1PPS output 10 uS relative to 1PPS output 500 nS relative to 1PPS output 500 nS relative to 1PPS output 500 nS relative to 1PPS output 500 nS relative to 1P...

Страница 126: ...less than 5 C temperature change over this time period Oscillator Aging Typical aging for the OCXO is 1E 07 month Rubidium Oscillator Feature Option Drift Rate 3 microseconds day typical for a Model S...

Страница 127: ...0 WIZARDS NTP on page 99 ADMIN Alarms on page 85 and Status LEDs on page 15 CE WEEE RoHS Conformance Declaration of Conformity In accordance with ISO IEC GUIDE 22 and EN 45014 Microsemi Corporation Fr...

Страница 128: ...s Equipment as defined by the WEEE Directive and therefore falls within the scope of the RoHS Directive These units are RoHS Compliant except that they will be manufactured using the RoHS Dir ective e...

Страница 129: ...the BNC Connectors Please contact Microsemi Customer Assist ance on page 5 for additional information VCCI Compliance Information This is a Class A product based on the standard of the Voluntary Cont...

Страница 130: ...is part is a DIP that is mounted in an 8 pin socket n M93C46 1Kb Serial Microwire EEPROM for Intel 82541ER Gigabit Ethernet Controller configuration U36 This non volatile part is used at power on to i...

Страница 131: ...ce code for the related public software can be obtained by contacting Microsemi Customer Assistance on page 5 These licenses include but are not limited to the following n Apache Software License n NT...

Страница 132: ...hen needed n Antennas not rated for 12 VDC may be damaged when connected to the SyncServer The GPS antenna supplied with the SyncServer is rated for 12 VDC n Safe Antenna and Cable Connection An outsi...

Страница 133: ...qu il ne touche jamais ces sources d nergie s il devait faillir En installant une antenne ne touchez jamais les lignes lectriques ou d autres sources d nergie sous peine de danger d lectrocution morte...

Страница 134: ...xploitation avant d enlever le courant CAUTION LithiumBattery The SyncServer contains a Lithium Battery that maintains the system s Real Time Clock RTC when the SyncServer s power is off Replace the L...

Страница 135: ...e 152 Web Interface 154 Using NTP 154 Adding Server Associations 154 Adding Peer Associations 155 Verifying Server and Peer Associations 155 Adding Broadcast Associations 156 Adding Multicast Associat...

Страница 136: ...stributing GPS Time 178 Distributing Non UTC Time 180 Configuring SNMP 181 SNMP MIB 182 Installation Guide To install the SyncServer in a production environment or some other of long term install atio...

Страница 137: ...e chassis to allow an adequate flow of air so that it may operate safely Microsemi recommends leaving 1 4 in 3 6 cm above and below the SyncServer or enough space to allow 5 CFM air flow n Uneven Mech...

Страница 138: ...a device providing electrical isolation below a certain frequency range galvanic isolator see EN60728 11 Note In Norway due to regulation for installations of cable distribution systems and in Sweden...

Страница 139: ...ource Because of diode switching the polarity can be plus plus plus minus minus plus or minus minus WARNING VDC Power For the 48 VDC model of the SyncServer n Use a disconnect device such as a switch...

Страница 140: ...tenna and Cable Connection An outside antenna or cable system must be properly grounded to provide some protection against built up static charges and voltage Section 810 of the National Electrical Co...

Страница 141: ...enne des Lignes Electriques ou des Circuits Haute Tension Local isez un puits ext rieur de syst me d antenne loin des lignes lectriques et des circuits de lumi re lectrique ou de puissance a fin qu il...

Страница 142: ...n Strong EMI RFI interference n Multipath interference caused by adjacent structures that reflect GPS signals Mounting structures n GPS antenna masts vent pipes or railings are usually satisfactory n...

Страница 143: ...24 m cable with the extended length cable Operating in Window Mode The SyncServer can provide can provide excellent synchronization to UTC if the GPS receiver has an accurate fix on its position and o...

Страница 144: ...h avoid unnecessary connectors and use an in line amplifier option Signal strength is visible on the STATUS GPS page n Avoid windows with metallic film coatings window blinds overhead obstructions and...

Страница 145: ...ow button to display the GPS STATUS screen 3 When the number of Satellites is equal or greater than 4 Status should be Locked 4 With GPS locked the SYNC LED on the front panel should be green within a...

Страница 146: ...epending on how far the antenna is installed from the GPS receiver The unaided cable length limit for the SyncServer is 150 feet 45 m Adding a GPS inline amplifier extends the cable length an addition...

Страница 147: ...he receiver GPS down up con verter The down up conversion process is transparent to the GPS receiver As with any precision GPS timing receiver only cable delay and down conversion delays need to be en...

Страница 148: ...igures LAN1 to gain access to the web interface After log ging in to the web interface the user can configure the remaining ports on the NETWORK Eth ernet page The factory default settings for the LAN...

Страница 149: ...stead of 192 168 047 025 enter 192 168 47 25 Usingthe1stSetupWizard Select the WIZARDS button and complete the 1st Setup wizard 1 Configure the SyncServer using WIZARDS 1st Setup Select the following...

Страница 150: ...communications companies and uni versities To find a local NTP server search the Internet for Public NTP servers Include the name of your country at the end of the search string When available select...

Страница 151: ...arm notifications by email or snmp n Check that the alarm notification settings are enabled as shown in the Factory Default Settings for Alarms on page 89 topic n To receive SNMP traps verify that the...

Страница 152: ...avoid decompressing the tar upgrade file prior to upgrading the SyncServer For security the SyncServer will reject any file that has been modified or decompressed and recompressed If needed download...

Страница 153: ...USB flash drive in either USB port on the front panel 2 Press the MENU button 3 Select 4 USB 4 Select 3 Upgrade Software 5 Select 1 Yes Method 2 Using the WIZARDS Upgrade page 1 Click the BROWSE butto...

Страница 154: ...it begins with https instead of http Using NTP AddingServerAssociations NTP server and peer associations provide an important backup source of time if the Syn cServer s Input References are unavailab...

Страница 155: ...WAN and provides excellent synchronization and redundancy To create a pair of peer associations 1 On the SyncServer go to NTP Config in the web interface 2 Under Add Edit Association for Role select...

Страница 156: ...clients settle into a routine of listening for and synchronizing with the NTP broadcast messages Microsemi recommends consulting with your IT department or network administrator before broadcasting N...

Страница 157: ...s restarting it listens for broad cast messages Also see n Working with Generic NTP Devices on page 160 n Using MD5 Keys on a SyncServer on page 161 n Using NTP Authentication on page 160 AddingMultic...

Страница 158: ...Configure authentication n For example use NTP MD5 to upload the keys file 2 Add or edit an association on the NTP Conf page 3 For Role select Multicast Client 4 For MD5 select the appropriate method...

Страница 159: ...START button at the bottom of the page The user can edit and delete the modem association on the NTP Config page if needed The timing accuracy of the modem is a function of the Minimum Poll Interval a...

Страница 160: ...es to ntp conf Restart the NTP daemon The commands vary from system to system but here are some examples ntpd g N ntpd g etc init d ntpd restart service ntpd restart etc rc d init d ntpd restart Other...

Страница 161: ...button This restarts the NTP daemon putting all of the keys into effect The SyncServer automatically trusts all of the NTP keys This is equivalent to the following command in ntp conf trustekey 1 2 3...

Страница 162: ...s file to root cp mnt floppy keysfile root n Make the MD5 keys file read write for root chmod 600 keysfile Edit ntp conf n Edit ntp conf For example enter vi etc ntp conf n Add one of these two lines...

Страница 163: ...ver Address fields 4 Enter an alphanumeric Server Password 5 If the Identity Scheme is IFF enter an alphanumeric Client Password 6 Click the GENERATE button 7 Download the keys or certificates n If th...

Страница 164: ...ing into the SyncServer securely open an https session with port 443 helps protect sensitive information when the user is performing sensitive tasks such as creating new user names and passwords or vi...

Страница 165: ...er Microsemi recommends shutting the operating system down before removing the power Using the keypad display interface 1 Press the MENU button 2 Select 3 Sys Control 3 Select 2 Shutdown 4 Press the E...

Страница 166: ...is accessible to a browser Notes Not all USB flash drives are compatible with the SyncServer s USB ports Microsemi recom mends using SanDisk cruzer micro USB devices The backup file includes the confi...

Страница 167: ...ve time and effort provided they are running the same Software Version displayed on the STATUS General page If you have physical access to the SyncServer the easiest method for transferring the con fi...

Страница 168: ...ter clicking the APPLY but ton before the SyncServer has had time to restart Using the Hardware Jumper This procedure requires n A jumper n Size 0 philips head screwdriver n Tweezers or needle nosed p...

Страница 169: ...ry holder requiring repair 4 Locate the sloping black plastic latch opposite from the metal clip 5 Depress the latch and slide the battery out of the holder 6 Dispose of the battery in accordance with...

Страница 170: ...four radio time services are n WWVB transmitting at 60 kHz located near Fort Collins Colorado USA at coordin ates 40 40 north 105 2 west n DCF77 transmitting at 77 5 kHz located near Mainflingen and F...

Страница 171: ...59 coaxial cable 50 ft 15 m n LFR module Disk shaped n Mounting bracket part 4186 8P and a bag of 4 mounting screws n 9 volt battery holder with TNC connector part 110 6210 Please contact Microsemi C...

Страница 172: ...a ferrite rod antenna that isn t visible from the outside The orientation of the ferrite rod antenna has a significant effect on performance The ferrite rod is in the optimal position when n The blac...

Страница 173: ...s switch ing power supplies transmitting antennas computers transformers HVAC and other electrical equipment or motors n Reposition the antenna away from or outside any shielding structures such as me...

Страница 174: ...ust be able to handle the switchover correctly Typically hubs and non managed switches do just fine while some managed smart switches may need to be configured ConfiguringRedundantEthernetPorts 1 Conn...

Страница 175: ...dancy RestoringRedundantEthernetPorts 1 On the NETWORK Ethernet page click the EDIT button for LAN2 2 For Redundant select Backup 3 Click the APPLY button and then click the APPLY button on the NETWOR...

Страница 176: ...el 350i does not have a GPS receiver Use these instructions to estimate the worst case time error for periods of time while GPS becomes unavailable These instructions only apply if n The SyncServer ha...

Страница 177: ...to acquire time and remove the accumulated time error Setting the Time Manually The SyncServer has features for setting the time manually These can be used for a variety of reasons such as n Distribu...

Страница 178: ...hh hours 00 through 23 n mm minutes 00 through 59 n ss seconds 00 through 59 n x fractions of a second The SETTIMEOFYEAR command does not set the Hardware Clock to Free Run mode Distributing GPS Time...

Страница 179: ...hich is variable and gradually slow ing The Global Positioning System time GPS time is a continuous atomic time scale that does not include leap second adjustments GPS time was synchronized to UTC at...

Страница 180: ...me or switching between time scales can have a ser ious impact upon systems n Perform extensive testing and take extra measures to protect data and systems before implementing non UTC time n Distribut...

Страница 181: ...igure trap recipients n ADMIN Alarms Select which events generate SNMP traps n SERVICES Startup Stop or start the SNMP daemon and enable disable it from starting automatically when the SyncServer rebo...

Страница 182: ...T INFO Symmetricom Inc 2300 Orchard Parkway San Jose CA 95131 DESCRIPTION This is the MIB Module for Symmetricom s enterprise specific parameters REVISION A DESCRIPTION jflory updated NTP tyming and e...

Страница 183: ...Timing Test and Measurement products symmSnmpManagement 3 productsOBJECT IDENTIFIER symmTTM 1 experiment OBJECT IDENTIFIER symmTTM 99 ts2000OBJECT IDENTIFIER products 1 ntsOBJECT IDENTIFIER products...

Страница 184: ...does nothing with these bits except pass them on to the time conversion routines that are not part of NTP The alarm condition occurs when for whatever reason the local clock is not synchronized such...

Страница 185: ...to the primary reference source at the root of the synchronization subnet in seconds Only positive values greater than zero are possible ntpSystem 5 ntpSysRefID OBJECT TYPE SYNTAX DisplayString SIZE 1...

Страница 186: ...as never been synchronized the value is zero ntpSystem 7 ntpSysPollOBJECT TYPE SYNTAXInteger32 MAX ACCESSread only STATUScurrent DESCRIPTION Minimum interval between transmitted messages in seconds as...

Страница 187: ...SysClock OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION Current system time from ntpd This is usually derived from the hardware clock but could be from any oth...

Страница 188: ...ent 3 server 4 broadcast 5 reservedctl 6 reservedpriv 7 ACCESS read only STATUS mandatory DESCRIPTION An integer indicating the NTP association mode and are coded as follows 0 unspecified 1 symmetric...

Страница 189: ...ON The time or frequency source currently in use by the Hardware Clock defined as follows 0 None 1 GPS 8 IRIG 16 External 1PPS 24 External 10MHz 31 Freerun tyming 2 tymingTime OBJECT TYPE SYNTAX Displ...

Страница 190: ...ON Returns the current position in the format of A BB CC DD EEE F GGG HH II JJJ KK defined as follows A sign of the latitude 1 North 1 South BB degrees of the latitude CC minutes of the latitude DD se...

Страница 191: ...ation mode used in highly dynamic environments 5 2d Solution The receiver is able to perform position fixes for latitude and longitude but does not have enough satellites for altitude 6 3d Solution Th...

Страница 192: ...satellite information in its timing solution Examples For no satellites 0 For one satellite with vehicle number 16 1 16 C 158 For six satellites 6 12 C 156 14 C 155 8 T 162 24 C 158 18 C 161 6 C 160...

Страница 193: ...is mode The accuracy and stability of the SyncServer s timing outputs are optimal when the receiver has its exact position and is in this mode gps 5 etcVersion OBJECT TYPE SYNTAX DisplayString SIZE 1...

Страница 194: ...etcAlarmString OBJECT TYPE SYNTAXDisplayString SIZE 0 1024 MAX ACCESSread only STATUScurrent DESCRIPTION Defines the format for the system alarm traps This is only valid embedded in a trap message et...

Страница 195: ...ore detail GPS Introduction The Global Positioning System GPS 1 is a worldwide radio navigation system formed from a constellation of at least 24 satellites that continuously orbit the earth Most GPS...

Страница 196: ...time at 23 59 47 UTC on August 21 1999 To determine the current Gregorian date a GPS receiver must be provided with the approximate date to within 3 584 days to correctly translate the GPS date signa...

Страница 197: ...TP daemon is started or restarted the leap indicator is set to 11 the alarm condition This alarm condition makes it possible for NTP clients to recognize that an NTP server the SyncServer is present b...

Страница 198: ...the See the NTP Config on page 43 topics for more information NTP Packet The NTP packet represented using big endian 32 bit rows appears as follows Autokey uses the optional Extension Fields 1 and 2 w...

Страница 199: ...er is present but that it has yet to validate its time from its time sources Once the SyncServer finds a valid source of time and sets its clock it sets the leap indicator to an appropriate value The...

Страница 200: ...of 18 corresponds to a precision of about one s The precision is normally measured by NTP at startup and is defined as the minimum of several iterations of the time to read the system clock Root Delay...

Страница 201: ...the fraction part in the last 32 bits In the fraction part the non significant low order bits are not specified and ordinarily set to 0 Originate Timestamp Time at the client when the request departed...

Страница 202: ...alues are defined as follows Stratum Definition 0 Hardware Clock when locked 1 Primary server 2 15 Secondary server 16 255 Unsynchronized unreachable For example the SyncServer is n stratum 1 when the...

Страница 203: ...allow UTC to closely track Universal Time UT a time standard based not on the uniform passage of seconds but on Earth s angular rotation Operational Configuration A common configuration of the SyncSer...

Страница 204: ......

Страница 205: ...N RADIUS 93 ADMIN Relays 92 114 ADMIN TACACS 94 ADMIN Users 84 99 ADMIN Web 23 82 Alarm Descriptions 85 86 Alarms and Notification 151 B Backing Up Restoring Configurations 78 165 C CAUTION DHCP Not A...

Страница 206: ...rds 129 Enabling Password Recovery 175 Enabling Secure Login 160 161 163 164 Environmental 124 Estimating Worst Case Time Error when GPS is Unavailable 176 F Factory Default Settings 78 Factory Defaul...

Страница 207: ...n 23 LOGS 97 M Maintainability 130 Managing Users 84 175 MENU Button 104 148 Microsemi Customer Assistance 5 76 107 129 131 137 145 148 151 171 Microsemi Worldwide Sales 173 Modem 114 Mounting Outdoor...

Страница 208: ...TP Management Messages 52 53 PTP Option with Time Interval Test 51 Q Quick Start Guide 13 136 R Rack Mounting 137 Radio LF Radio Module 114 RADIUS 93 Rear Panel 114 Recovering a Password 23 164 REFERE...

Страница 209: ...ing NTP association 202 Sysplex Out 64 116 SYSTEM Factory Reset 77 100 SYSTEM General 76 104 SYSTEM Upgrade 77 104 112 152 T TACACS 94 Tasks 13 135 Telecommunications Modem Interfaces 139 TIME Button...

Страница 210: ...Compliance Information 129 VDC Power Supply 122 Verifying Redundancy 174 Verifying Server and Peer Associations 155 Verifying the GPS Installation 145 W WARNING GPS Antenna 13 132 140 GPS Position and...

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