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Related Manuals for GlobalTime Electronic GTT-400
Summary of Contents for GlobalTime Electronic GTT-400
- Page 1 GlobalTime™ NTP Server Manual of NTP Server High-Performance, Enhanced Security Network Time Server Add: Floor 7, Building 4, No. 651, Wanfang Road, Minhang District, Shanghai, China. Tel: +86-21 3653 1186 Fax: +86-21 3653 1185 Web: http:www.ntpclock.com Email: contact@ntpclock.com...
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Page 2: Table Of Contents
GlobalTime™ NTP Server Table of Content Chapter 1 Basic Information of the Device 1.1. Features..............................Page 1 1.2. Applications............................Page 1 1.3. Network Protocols..........................Page 1 1.4. Mechanical/Environmental ........................Page 1 1.5. Packing List............................Page 2 1.6. An Overview of the Server........................Page 2 1.7. Front Panel and Rear Panel........................Page 2 Chapter 2 Installation and Commissioning of the Device 2.1. -
Page 3: Chapter 1 Basic Information Of The Device
GlobalTime™ NTP Server Chapter 6 Specific Performance Index of the Server................Page 17 Chapter 1 Basic Information of the Device Modern networks require accurate, secure, and reliable time service. The security-hardened GlobalTime™ NTP Server is purpose- Built to deliver exact hardware-based Network Time Protocol (NTP) timestamps. The unparalleled accuracy and security is rounded out with outstanding ease-of- use features for reliable network time services ready to meet user network and business operation needs today and in the future. -
Page 4: Packing List
GTT-400 network time server use the professional GPS timing receiver. It can receive and lock the satellite signal fast and reliably. -
Page 5: Chapter 2 Installation And Commissioning Of The Device
The server consists of the outdoor part and interior part. The outdoor part is composed of the GPS satellite receiving antenna, lightning arrester and antenna amplifier (optional). The function is to complete the reception of satellite signals. The interior part is the master device of GTT-400 network time server to complete the functions of the satellite... -
Page 6: Outdoor Installation
100 meters to 200 meters, one amplifier is needed; for feeder between 200 meters to 300 meters, two amplifiers are needed. If you need longer feeder links, please contact us, GlobalTime Electronic Co., Ltd. We will provide the special program to you. The feeder usually adopt 1 / 2 inch RF cable whose loss is 12.8dB/100m from the United States Andrew's. -
Page 7: Indoor Installation
GlobalTime™ NTP Server Technique Index of Antenna Frequency Range: 1575 +/- 50MHz RF Connector: N Type Right Handed circular Screw (M24 x 1.5) Polarization Mode: Installation Method: polarization Connector Antenna Gain: ≥3.5dB Volume: Ø96 x 126mm Amplifier Gain: ≥37dB Operating Temperature: -45℃... - Page 8 GlobalTime™ NTP Server 1. Password is needed to enter into the main menu. Click the key “OK” , then enter the password. The default password is “123456”, the password can be changed under the main menu. When we enter the correct password, we can go to the main menu for configuration.
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Page 9: Configuration Of The Server
GlobalTime™ NTP Server “Stratum” means the level of the server; “rootdisp” (ersion) means the accuracy of the time source; “source” means the current locked time; “reach” means if the recent 8 times of time source data is reliable. 6. When we choose SATELLITE STATUS, it will display the current numbers of the GPS and BeiDou satellites. 7. -
Page 10: Login
GlobalTime™ NTP Server As to remote ssh connection, we only need to enter ssh <IP of the server> as command. We will introduce the method of management through local connection here. The remote management method is the same. 3.3.1. Login It will display linux shell interface after login, we can manage and do configuration to the system. -
Page 11: Configuration Of Client Program
Note: The commands are case sensitive. Then connect the MODEM and GTT-400 network time server monitoring port with a serial cable. Then plug the telephone line. Finally, dial this number through the Hyper Terminal of another computer with MODEM and it can be connected with the server. -
Page 12: Troubleshooting
GlobalTime™ NTP Server Second, modify the default windows time server. For example, we set it to be 192.168.2.8. Third, click “apply” and then “update”. Windows synchronizes once in a week under default settings. If the interface display that the PRC is not available, please open the control panel, choose “management tool”/”service”, find “window time”... -
Page 13: All Indicator Lights Are Off When Power Is On
GlobalTime™ NTP Server 3.7.2 All indicator Lights are off When Power is on Please check if the power outlet is with electricity. There is a fuse socket in the device. We need to unplug it and check if the fuse is intact. 3.7.3 Can not Receive Satellite Signal for Long Time Emphasis should be placed on verifying whether the feeder system is normal. -
Page 14: Chapter 4 Remote Login
GlobalTime™ NTP Server goes wrong. Chapter 4 Remote Login 4.1. Login via http 1) Enter http://192.168.2.8/, we will see the below interface, the username is admin, the default password is 123456. 2) After login, we will see the below information: Net Set: If we want to do configuration for an individual network port or reset password, we should click the button “Net Set”, then we will see the below... -
Page 15: Login Via Ssh
GlobalTime™ NTP Server Bond Set: If we want to do configuration for bond, we should click this button, then we will see the below Remarks: Netcard- choose bond 0 or bond 1 for configuration Status- choose to open or close the chosen bond Interfaces- choose the individual network ports for bonding 3) After the configuration, we need to reboot the sever. -
Page 16: Main Login Interface
GlobalTime™ NTP Server 4.2.1. Main Login Interface 1. Network Information 2. NTP Configuration 3. NTP Status 4. BD/GPS Status 5. System Information 6. System funtion 7. Change the password 8. About Q. Exit Choice: When we input the corresponding numbers and click the enter button, we will enter into the related interface, when we input “q”... -
Page 17: Bd/ Gps Status
GlobalTime™ NTP Server Stratum 1 means the NTP server can get time from GPS/ BD well, if the number is not 1, then it means that there is something abnormal. When time is locked, Rootdisp will be about 1ms, and keep stable. It the the number is getting bigger, it means that there is something abnormal. -
Page 18: Set Snmp Trap Ip Address Via Ntpshell
GlobalTime™ NTP Server 5.1.2. Set SNMP TRAP IP via NTPSHELL Login via console, the username is ntpuser, the password is ntpuser2016. After login, we can see the below options: We should input 1 and click enter button to get into the next menu: Then we should input 3 and click enter button to set SNMP TRAPIP After saving the configuration, we need to reboot the sever so that the configuration will take effect. -
Page 19: Get Oid
GlobalTime™ NTP Server 1.3.6.1.4.1.2354.1.3.2 means NTP is alarming, it is charater string, “TrapMsgNtpAlarm” means changes from stratum 1 to other numbers, it refers to alarming status. 1.3.6.1.4.1.2354.1.3.4 means the satellite is losing lock, it is character string. “TrapMsgGpsUnlocked” means that the sever can not get satellite. 1.3.6.1.4.1.2354.1.3.8 means alarming, it is character string, “TrapMsgRootDisp”...
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