Brandywine NFS-221 User Manual Download Page 1 | Manualshive

Page: 1 / 29

background image

1

MANUAL P/N 900000113 REV A

User Guide

Networked Frequency Standard

Model NFS-221

P/N 091001001

Revision B

November 2011

Brandywine Communications

1153 Warner Ave

Tustin, CA 92780

(714) 755 1050

(714) 755 0175

http://www.brandywinecomm.com

1
2
3
...
»

Summary of Contents for NFS-221

Page 1: ...00113 REV A User Guide Networked Frequency Standard Model NFS 221 P N 091001001 Revision B November 2011 Brandywine Communications 1153 Warner Ave Tustin CA 92780 714 755 1050 714 755 0175 http www br...

Page 2: ...2 MANUAL P N 900000113 REV A Revision History REVISION DATE COMMENTS A 04 30 2009 Original release of NFS 221 User Guide B 11 03 2011 1 PPS Input level amendment...

Page 3: ...losure The dangerous voltage may be of sufficient magnitude to constitute a risk of electrical shock to people Do not attempt to repair the unit without first unplugging it CAUTION The exclamation poi...

Page 4: ...Discovering the automatically assigned NFS 221 IP address 14 3 3 2 2 Changing NFS 221 Network IP address using Internet Explorer 14 3 3 2 3 Latest Version of Java Software 16 4 Configuration 17 4 1 Se...

Page 5: ...term stability of a Rubidium oscillator The NFS 221 provides at a glance status indication via front panel LED s and can be integrated with other management systems using Ethernet and serial ports The...

Page 6: ...c 0 0 4 V max Logic 1 2 5V min and 5 0V max Maximum Frequency Error 2x10 9 Connector BNC Female Input Modes GPS Default Have Quick 1PPS Uses 1PPS for synchronization Time of Day is loaded automaticall...

Page 7: ...1 DHCP Serial Interface Type RS232 RS422 link selectable by user Baud rate 115200 N 8 1 Alarm Status Voltage free relay changeover contacts Link settable for 5V alarm out Status Indicator LED s Power...

Page 8: ...d or that there is an excessive load on the output 1PPS J3 Green Indicates that the 1PPS pulse output on J3 is operating Red Indicates that the 1PPS pulse output on J3 has failed or that there is an e...

Page 9: ...UT 7 BNC FEMALE CENTER 1 PPS SHIELD GROUND J8 1 PPS OUTPUT 8 BNC FEMALE CENTER 1 PPS SHIELD GROUND J9 INPUT OUTPUT DB 9 FEMALE 1 NO CONNECTION 2 1 PPS OUTPUT 10 3 1 PPS OUTPUT 11 4 ALARM OUT NORMALLY...

Page 10: ...npacking and Installation 3 1 Unpacking Remove the NFS 221 from the shipping carton The following items should be included in the shipment 1 NFS 221 1 GPS antenna 1x 100 feet of coaxial antenna cable...

Page 11: ...a to the NFS 221 The cable provides two functions which are to conduct the GPS RF signals 1575 42 MHz that are received from the GPS antenna to the NFS 221 and to conduct the DC bias voltage 5 VDC pro...

Page 12: ...iber optic antenna link This comprises two external units The remote down converter and fiber unit is connected to the antenna and it converts the GPS RF signal to an optic signal at lower frequencies...

Page 13: ...he NFS 221 in this role is shown below Figure 1 Typical NFS 221 NTP Server Network Connection 3 3 Output signal connections 3 3 1 Signal Connections The output signals from the NFS 221 should be conne...

Page 14: ...aracter 1 stop bit 115200 N 8 1 No Flow Control 2 Cycle Power to the NFS 221 3 A short string will be broadcast by the NFS 221 that has the IP address of the unit 4 Note that in the example shown in F...

Page 15: ...net mask and gateway you may not be able to reach the NFS 221 using a web browser Carefully check this information prior to entry and check with your network administrator for the correct settings 3 C...

Page 16: ...ads link 3 Click on the Java Download link 4 Download Java 5 Complete the installation process Please note that the oldest acceptable Java software version number is 1 4 2_05 To check the Java softwar...

Page 17: ...s of five sections the System IP Address Reference Application and Manual Time Set This tab allows you to modify setup information for the NFS 221 Please note that a Class C Network is being used ther...

Page 18: ...ct one of three reference types to acquire time from The only references used by the system are GPS Have Quick 1PPS and 1PPS Figure 6 Selecting the NFS 221 reference Select the Reference type desired...

Page 19: ...ction and isolation 4 1 5 Manual Time Set If the External 1PPS Only mode is selected then the NFS 221 will synchronize to the external 1PPS appearing on J10 4 The epoch of this 1PPS must be manually e...

Page 20: ...ator Status Fault Status This tab allows you to monitor the functional status of the NFS 221 There are no functions that can be modified on this tab it is all read only information Figure 9 Status 4 2...

Page 21: ...an internal disciplined oscillator that is used as the basis of the NFS 221 time and frequency outputs The oscillator is divided down to 1 pulse per second and the difference between this 1pulse per...

Page 22: ...ne Settings Daylight Saving Time and Daylight Saving Time Advanced and Time Code This tab allows you to modify the time settings for the NFS 221 To save all modifications made to the Time screen click...

Page 23: ...e data by using either odd or even parity checking The Serial output message is broadcast on J10 the Console port If enabled the message will also be available on the RS422 pins CHARACTER DESCRIPTION...

Page 24: ...NDARD TIME OFFSET FROM UNIVERSAL TIME Eniwetok Marshall Islands 12 Samoa Polynesian Islands 11 Hawaii 10 Alaska 9 Pacific Time 8 Mountain Time 7 Central Time 6 Eastern Time 5 Atlantic Time 4 Brazilia...

Page 25: ...the time the daylight saving should start The user must enter the daylight saving start time the occurrence of the specific day the day of the week and the month that the daylight saving should start...

Page 26: ...ick the Reset button IMPORTANT INFORMATION The default user name and password for the system is BRANDYWINE The user must always enter a user name and password when submitting changes to the system Fig...

Page 27: ...lp while using difficult areas in the system Help links are located throughout the entire system so the user has access to the Help screen whenever the user encounters a problem Once the user clicks o...

Page 28: ...28 MANUAL P N 900000113 REV A 5 Drawings FIGURE DESCRIPTION NFS 221 Front Panel NFS 221 Rear Panel...

Page 29: ...29 MANUAL P N 900000113 REV A NFS 221 Front Panel NFS 221 Rear Panel...

Reviews:

No comments

Related manuals for NFS-221

Brand: 3Com Pages: 48

8STST4000PEXPSE

Brand: StarTech.com Pages: 10

SIMATIC NET CP 343-1

Brand: Siemens Pages: 78

Brand: Siemens Pages: 120

SCALANCE W1788-1 M12

Brand: Siemens Pages: 368

BitStorm 2600 IP DSLAM

Brand: Paradyne Pages: 58

FrameSaver 9620

Brand: Paradyne Pages: 79

Brand: Symmetricom Pages: 148

Brand: 3Com Pages: 81

Brand: IEI Technology Pages: 29

Brand: QNAP Pages: 12

fitlet2 FC-M2LAN

Brand: CompuLab Pages: 4

Brand: CompuLab Pages: 5

Brand: Continental Access Pages: 4

Wall Mount Adapter

Brand: CyberData Pages: 2

Brand: KYLAND Technology Pages: 55

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands