Model 1205D GNSS Synchronized Clock (40ns)

Model 1205D GNSS Synchronized Clock (40ns)

Next generation DIN Rail mounted, multi-satellite timing source for precision applications. Featuring enhanced performance and security (EPS).

Model 1205D Setup Guide
Download PDF(2 MB) »

Model 1205D Data Sheet
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GNSS Antenna Data Sheet
Download PDF(4 MB) »

Model 1205D delivers better than 40 ns typical accuracy and includes the most highly sought after features in a precision time clock as standard plus enhanced performance and security (EPS) in a DIN rail mounted package.

The standard holdover oscillator maintains accuracy of 1 ms/day when not tracking satellites. In addition to enhanced performance, Arbiter Systems' new EPS technology includes GNSS anti-spoofing and secure password-protected and encrypted configuration interface providing robust, reliable synchronization.

The Model 1205D timing signals are available via the three Ethernet ports and the thirty-two pin terminal block. The three 10/100 Ethernet ports (copper standard, fiber optional) provide status, configuration as well as network timing supporting the NTP, SNTP, PTP (IEEE 1588Power Profile supported), SNMP, ICMP, TCP, SSH, SSL, HTTP, HTTPS and DHCP protocols. The thirty-two pin terminal block provides access to the Model 1205D standard inputs, outputs and legacy communication ports. Two inputs, an event timer and a frequency monitor, are included along with six Programmable Pulse outputs, a modulated IRIG-B output, a FET output, relay contacts, two RS-232 ports and a RS- 422/485 port (transmit only).

The Model 1205D standard power supply is a 13.5 Vdc to 26.4 Vdc supply with secure terminal strip inlets and surge-withstand capability. The surge-withstand network is designed to meet ANSI/IEEE C37.90-1 and IEC 61000-4 specifications. Also included is a built-in lightning arrestor and rear panel ground plate to protect against secondary lightning strikes and other antenna coupled surges.

  • Accuracy of ± 100 ns, ± 40 ns typical
  • Standard: NTP/PTP server, unmodulated IRIG-B, modulated IRIG-B, 1 PPS, and One Form C (SPDT) fail-safe locked relay, Power System Time and Frequency Monitor
  • IEEE C37.118.1-2011 compliant for Synchrophasor use.

Enhancements

  • Enhanced Performance and Security (EPS)
    • EPS benefits include multi-system timing sources (GPS/ GLONASS/Galileo/BeiDou), standard holdover oscillator, multiple levels of security, secure communications, and anti-spoofing technology
  • Second serial port standard
  • IRIG-B compliant with IEEE Std. C37.118.1-2011

Build-a-Part Ordering Structure:
* denotes standard selection

  1205  -  D  -  Axx  -  Cxx  -  Dxx  -  Hxx  -  Jxx
                           
Series              
           
 Model          
 D = DIN Rail        
         
 Power Supply        
 A01* = 100 Vac to 240 Vac, 100 Vdc to 350 Vdc        
 A02 = 24 Vdc to 48 Vdc      
 A03 = 13.5 Vdc to 26.4 Vdc      
       
 Holdover Oscillator      
 C01* = 1 ms/24 h    
     
 Network Connectors    
 D01 = 3 - 10/100BT  
 D02 = 2 - 10/100BT, 1 - Multimode Fiber  
 D03 = 1 - 10/100BT, 2 - Multimode Fiber  
 D04 = 3 - Multimode Fiber  
   
 Rear Panel Connector  
 H00* = Not Installed
 H01 = Screw Terminations
 H02 = Crimp Terminations
 
 Relay
 J01* = Standard Voltage (30 Vdc/250 Vac)
 J02 = High DC-Voltage (300 Vdc/250 Vac)

Receiver Characteristics

Timing Accuracy

Accuracy Note

Specifications apply at the 1 PPS/IRIG_B unmodulated/PP/PTP outputs when receiving one satellite in Position Hold Mode, as of date of publication.
Accuracy UTC/USNO

± 100 ns peak
Typical

± 40 ns peak

Position Accuracy

2 meters, rms

Satellite Tracking

Seventy-two (72) channel receiver: GPS L1C/A, GLONASS L1OF, Galileo E1B/C, and BeiDou B1I

Acquisition

  • 55 seconds typical, cold start
  • 25 seconds, typical, warm start
  • 3 seconds, typical, hot start

Oscillator

Type

 OCXO
Stability

1 ms/24 h
Patent(s)

High-Reliability Holdover Method and Topologies: No. US 9,326,926 & US 9,979,406 B2

I/O Configuration

Output Connectors

One 32 pin pluggable terminal strip connector with jumper-selectable signals:

Output Signals

  • Programmable Pulse (six outputs)
  • IRIG-B modulated
  • MOSFET
  • Analog Input
  • Event Input
  • Relay Contacts
  • RS-232 (2 ports)
  • RS-485 (transmit only)

IRIG-B Modulated
One IRIG-B modulated output, 4 Vpp, 20 ohms source impedance. Configurable to Local or UTC time with C37.118.1 on or off, settings independent from Programmable Pulse IRIG-B output.

MOSFET
300 volt, 1 watt power dissipation open-drain FET driver with 24 Vdc output.

Programmable Pulse Output

Six programmable pulse outputs, high-drive 5 Vdc (125 mA at > 4) 

Seven modes:

  • IRIG-B unmodulated (UTC/Local, C37.118.1 On/Off. Settings are independent from main IRIG-B signal.)
  • Every 1 second to 60,000 seconds, starts top of the second
  • Hourly at a specified offset
  • Daily at a specified time of day
  • One shot at a specified time of year
  • Slow Code (UTC/LCL)
  • DCF-77

Pulse polarity and pulse duration are programmable, duration from 0.01 seconds to 600 seconds, except in one-shot mode, where the output is Low prior to the specified time and High thereafter.

Relay Contacts

One Form C (SPDT) fail-safe, 8 A at 250 Vac; configurable to Out-of-Lock, Fault, Alarm, Stabilized, or Programmable Pulse

Input Signals

Analog Input
One single phase AC line voltage (50/60 Hz, 300 Vac) input provides accurate measurements of system frequency, frequency error, and time deviation.

Event Inputs

One event timer channel with 100 ns resolution is standard. This function may be driven by the start bit of a received character on the serial port, or an external 5 V CMOS/TTL signal.

Interface

Operator

Display
  • Status LEDs
Status LEDs
  • Normal (green)
  • Learn (orange)
  • Unlocked (red)
  • Alarm (red)
  • Operate (green)
  • Fault (red)
USB

Micro-USB, Version 2.0
Setup

Web based configuration

System

Ethernet

3 - Ethernet ports: 10/100 BT (standard) or Fiber (optional)

Protocols: NTP, SNTP, PTP (Power Profile), SNMP, ICMP, TCP, SSH, SCP, SSL HTTP, HTTPS, DHCP
RS-232

2 - RS-232 ports (TXD, RXD, GND)

1200 baud to 230,400 baud; 7 or 8 data bits; 1 or 2 stop bits; even/odd/no parity
RS-422/485

1 - RS-422/485 port (TXD+,TXD-)
Broadcast modes
  • Standard ASCII (IRIG-J)
  • Extended ASCII
  • ASCII with Time Quality
  • ASCII with Time Quality and Year
  • Vorne large-display
  • Status/Alarm
  • Event data
  • User configurable serial time code
Connector

RS-232 and RS-422/485 are part of the 32 pin terminal block.

Power Requirements

Standard

Voltage

Universal
100 Vac to 240 Vac, 47 Hz to 440 Hz, 20 VA maximum or 100 Vdc to 350 Vdc, 30 W maximum.

Low DC
24 Vdc to 48 Vdc; 30 W maximum.

Direct DC
13.5 Vdc to 26.4 Vdc; 30 W maximum.
Inlet

Secure Pluggable Terminal Strip

General

Physical

Size

172 mm x 225 mm x 90 mm (6.75 in x 8.75 in x 3.55 in)
Weight

2 kg (4.5 lbs), net
5.5 kg (12 lbs), shipping
Ground Block

Antenna protective ground. Copper, with M5 (10-32) stud and nut. Connects internally to gas discharge tube (GDT) lightning surge suppressor.
Antenna

Cable Connection: F-type
Size: 80 mm dia. x 84 mm (3.2 in x 3.3 in)
Weight: 170 g (6 oz)
Temperature: - 55 °C to + 65 °C
Antenna Cable

Type: RG-6, 15 m (50 ft) provided
Weight: 0.69 kg (1.52 lbs) per 15 m
Antenna Mounting

0.75 in pipe (1 in - 14 marine) thread

Environmental

Temperature

Operating: - 40 °C to + 65 °C
Nonoperating: - 40 °C to + 75 °C
Humidity

Noncondensing
EMC

Conducted emissions: power supply complies with FCC 20780, Class A and VDE 0871/6.78 Class A

Surge withstand capability (SWC), power inlet: designed to meet ANSI/IEEE C37.90-1 and IEC 61000-4

Certificates and Approvals

CE mark/label and certificate

 One option can be selected from each of the letter categories (A, C, H, J) listed below.

A power supply and holdover oscillator must be specified.

I/O
1205DoptH01 Screw Terminal Connector (1205/1206)
1205DoptH02 Crimp Terminal Connector (1205/1206)
1205DoptJ01 Standard Voltage Relay (30 Vdc/250 Vac)
1205DoptJ02 High DC-Voltage Relay (300 Vdc/250 Vac)
Power
1205DoptA01 100 Vac to 240 Vac, 100 Vdc to 350 Vdc Secure Pluggable Terminal Strip and Surge Withstand
1205DoptA02 24 Vdc/48 Vdc Secure Pluggable Terminal Strip and Surge Withstand
1205DoptA03 13.5 Vdc to 26.4 Vdc Direct - Secure Pluggable Terminal Strip and Surge Withstand
Oscillator
1205DoptC01 Holdover OCXO 1 ms/24 h
Included
AS0099200 Arbiter Universal GNSS Antenna
CA0021315 1 15 m (50 ft) RG-6 Antenna Cable, RoHS
Available
AP0003400 2 BNC (Male) Breakout to 100 mm Wires
AP0008900 3 BNC (Female) Breakout to 100 mm Wires
AP0013400 GNSS Antenna Cable Splitter, F-Type, 950-2150 MHz, One Port Pass DC
AP0014900 4 BNC (Female) Breakout to Screw Terminal
AP0015000 5 BNC (Male) Breakout to Screw Terminal
AS0044600 Antenna Mounting Kit
AS0044700 6 21 dB In-Line Pre-amplifier
AS0048900 Antenna Grounding Block Kit, RoHS
AS0094500 GNSS Surge Arrester
AS0102700 Screw Terminal Connector H01 (1205/1206)
CA0021330 1 30 m (100 ft) RG-6 Antenna Cable, RoHS
CA0021338 1 38 m (125 ft) RG-6 Antenna Cable, RoHS
CA0021345 1 45 m (150 ft) RG-6 Antenna Cable, RoHS
CA0021350 1 50 m (164 ft) RG-6 Antenna Cable, RoHS
CA0021360 1 60 m (200 ft) RG-6 Antenna Cable, RoHS
CA0021375 1 75 m (250 ft) RG-6 Antenna Cable, RoHS
CA0034201 Power Cord, 250V, Cont. Europe, w/Conn.
CA0034202 Power Cord, 240V, Australia; NZ; PRC, w/Conn.
CA0034203 Power Cord, 250V, U.K., w/Conn.
CA0034209 Power Cord, 120V, N. Amer, w/Conn.
CA0035000 Power Cable Term Block to IEC320 C14
CN0050700 Type F, Male, RG-6 Antenna Cable Compression Connector, RoHS
CN0050800 7 Type F, Male, RG-6 Plenum Rated Antenna Cable Compression Connector, RoHS
CN0051300 Type F, Male, RG-11 Antenna Cable Compression Connector, RoHS
TF0013200 Antenna Cable Stripping Tool, RG-6
TF0013300 Antenna Cable Stripping Tool, RG-11
TF0024000 Type F, RG-6 Antenna Cable Compression Tool
TF0024100 Type F, RG-11 Antenna Cable Compression Tool
WC0004900 1 300 m (1000 ft) Roll RG-11 Cable, RoHS
WC0005000 1 300 m (1000 ft) Roll RG-6 Cable, RoHS
WC0005200 8 300 m (1000 ft) Roll RG-6 Plenum Rated Cable, RoHS

1 Stocked length. Custom lengths available from 0.3 m (1 ft) to 300 m (1000 ft). Contact factory.
2 Converts female BNC-terminated coaxial cable to pair of wires.
3 Converts male BNC-terminated coaxial cable to pair of wires.
4 Converts pair of wires to female BNC.
5 Converts pair of wires to male BNC.
6 Used for cable lengths greater than: RG-6 75 m (250 ft) ; RG-11 100 m (328 ft). For the Models 120x: Used for RG-6 cable lengths greater than 100 m (328 ft)
7 Indoor use only. Not weather resistant. Not UV radiation protected.
8 Stocked length. Custom lengths available from 0.3 m (1 ft) to 300 m (1000 ft). Contact factory. Indoor use only. Not weather resistant. Not UV radiation protected.

No software downloads available for this product
 
No additional software information is available for this product
Firmware Information (EPROM based firmware is not available for download)
1205_1206_Firmware_01.34_16May2023 Downloadable. Requires the web interface.
1205_1206_Firmware_SHA256_01.34_16May2023 1205_1206_Firmware SHA256 checksum
Arbiter All MIB file_03DEC2012_00003 For use with SNMP clients.
Arbiter All MIB File_SHA256_03Dec2012_00003 Arbiter All MIB File SHA256 checksum
 

Firmware Version and Related Information

Downloadable Firmware (1205_1206_Firmware)

Firmware update steps:

    The following are basic instructions. Check the ReadMe.txt for specific instructions.
  1. Download the firmware file.
  2. Unzip the firmware file.
  3. ***DISCONNECT*** the antenna from the rear panel. The update may still happen but disconnecting the antenna helps smooth the update process.
  4. Revert to http if using the https interface.
  5. Upload the tps_os-xx.xx.apf file.
  6. Reboot the clock after updating firmware to make sure that the new code is loaded.
VersionRev LevelVersion Notes
01.34 16May2023

NOTE: This is a repost.

The file posted on 25 May 2023 wrongly included the AIDoIP-01.01.apf file.

If you uploaded AIDoIP-01.01.apf after uploading tps3_os-01.34.apf to the clock then you will need to upload tps3_os-01.34.apf again to get all the updates.

Updates are not security related.

  1. Analog Input Data over Internet Protocol (AIDoIP) connection improvements
  2. Fixed Auth NTP connection
  3. Ethernet connection stability improvements.

Reposted to website: 31 May 2023
Originally posted to website: 25 May 2023
01.33 07Sep2022

Updates are not security related.

  1. Reposted to the web #2 because the wrong AIDoIP file was included in the zip file.
  2. Reposted to web site because the Analog Input Data over Internet Protocol (AIDoIP), frequency monitoring apf was not included in the zip file.
  3. Removed the errant digital signals on power-up.
  4. Fixed where the PPH output was active (high) on power-up until its trigger time passed.

Reposted to web site: 27 Oct 2022
01.32 22Apr2021

Updates are not security related.

  1. This is a re-release of 1.32 to include an update to the Analog Input Data over Internet Protocol (AIDoIP-01.01.apf). The update improves the stability of the analog data output when connecting with the Windows Telnet client. Follow the ReadMe.txt for uploading instructions.
  2. CLARIFICATION: This is a re-issue of the 1.32 zip file. The firmware version 1.32 has not changed. The zip file now includes a second firmware file (AIDoIP-01.01.apf) that needs to be loaded after the main firmware file (tps3_os‑01.32.apf). The ReadMe.txt contains the loading instructions.

Posted to web site: 28 Apr 2021
01.32 21Sep2020

Updates are not security related.

  1. This release ability to configure the 1205B/C and 1206B/C via SNMPv3. The only parameter currently supported for configuration using SNMP is Time Deviation.

Posted to web site: 13 Oct 2020
01.31 09Sep2020

Updates are not security related.

  1. Improve user interface (web) responsiveness.
  2. Add Analog over IP data for the frequency output. Frequency measurement data similar to the serial Vorne and ASCII broadcasts is available over the Ethernet via Telnet.
  3. Add bonding/link aggregation support for Port 2 and Port 3. These ports may be linked together, creating a third IP address that continues to respond if Port 2 or Port 3 is disconnected.

Posted to web site: 18 Sep 2020
01.29 12Mar2020

Updates are not security related.

  1. Fixed custom serial broadcast component "v02" to remove + sign at beginning.
  2. Code alignment for common code store.

Posted to web site: 26 May 2020
01.28 10Jan2020

Updates are not security related.

  1. Fixed default RS-485 setting to mirror COM1.
  2. Added Advanced tab in Network menu to configure Network Redundancy / Link Aggregation

Posted to web site: 25 February 2020
01.27 24Oct2019

Updates are not security related.

  1. Improved Normal mode stability.
  2. Fixed magnitude scaling for the Frequency and Time Monitor.
  3. Fixed IRIG-B Daylight Saving Time (DST) active bit did not set when active.
  4. Added RS-485 functionality. Can now mirror COM 1 RS-232 or AUX PROG PULSE. **NOTE: The default setting for RS-485 will change to AUX PROG PULSE with this update. The tab to change AUX PROG PULSE may not be present in the web interface. However, it is possible to change back to mirror COM 1. A fix will be addressed in the next release.

Posted to web site: 9 November 2019
01.26 12Feb2019

Updates are not security related.

  1. Stability improvements.
  2. Adjust PPS outputs to improve delays.
  3. Display time deviation even if input signal is not present.
  4. Accumulate time deviation integer and fraction seperately to preserve resolution when deviation is large.
  5. Modified Vorne broadcast to match OP28 when input signal is not present.
  6. Improve redundant receiver performance.
  7. Fix run-time values and power-up count (BZ850).
  8. Add Galileo to satellites display in web GUI Time Source->GNSS page (BZ848).
  9. Add Beidou (BDN) support.
  10. Improved holdover oscillator health measurement to minimize false failure indications.

Posted to web site: 24 May 2019
01.19 23Aug2018

Updates are not security related.

  1. Fixed System Time Deviation broadcast (Vorne and Custom S03)
  2. Improved GNSS stability.
  3. Improved epoch spoofing support.
  4. Other code cleanup for performance and consistency.

Posted to web site: 1 October 2018

1205_1206_Firmware_SHA256

VersionRev LevelVersion Notes
01.34 16May2023
01.33 07Sep2022
01.32 22Apr2021
01.32 21Sep2020
01.31 09Sep2020
01.29 12Mar2020
01.28 10Jan2020

Downloadable MIB File (Arbiter All MIB file)

VersionRev LevelVersion Notes
03DEC2012 0.0003

Downloadable All MIB File checksum (Arbiter All MIB File_SHA256)

VersionRev LevelVersion Notes
03Dec2012 0.0003

GPS Substation Clock Requirements
Download gps_substation_clock_requirements.pdf (25 kB) »

IRIG-B Time Code Accuracy, IED and System Design Issues
Download irig_accuracy_and_connection_requirements.pdf (31 kB) »

NERC PRC-002 and PRC-018 Compliance Statement
Download pd0042900a_NERC_PRC-002_PRC-018_compliance_statement.pdf (70 kB) »

Time in the Power Industry: How and Why We Use It
Download TimeInThePowerIndustry.pdf (407 kB) »

Why GPS Clocks Are Not Free
Download why_gps_clocks_arent_free.pdf (12 kB) »

Specifying Holdover Performance
Download PD0057900_Specifying_Holdover_Performance.pdf (1 MB) »

App Note 101: Distributing Timing Signals in a High-EMI Environment
Download application_note_101.pdf (90 kB) »

App Note 103: Large Format Displays with Arbiter products
Download application_note_103.pdf (16 kB) »

GPS Antenna Mounting Bracket
Download antenna_mnt_bracket_brief.pdf (462 kB) »

GPS Antenna Mounting Bracket Instructions
Download pd0024700_gps_antenna_mounting_bracket.pdf (580 kB) »

GNSS Antenna Preamplifier Installation Instructions
Download pd0025300_gnss_antenna_preamplifier.pdf (3 MB) »

IRIG Standard 200-16
Download irig-b_200-16.pdf (857 kB) »

IRIG-B Specifications
Download irig_b_spec_brief.pdf (488 kB) »

Windows® Time Service Configuration
Download w32time.pdf (14 kB) »

GNSS Surge Protector Installation Instructions
Download pd0045800_surge_protector_installation_instructions.pdf (110 kB) »

Reducing Overshoot and Ripple in Arbiter Products with High Drive Outputs
Download pd0046200_reducing_high_drive_overshoot.pdf (277 kB) »

Timing Signals, IRIG-B and Pulses
Download pd0043200_timing_signals_overview.pdf (197 kB) »

Antenna Cable Assemblies RoHS2 Declaration of Conformity
Download Antenna_Cable_Assemblies_RoHS2_DoC.pdf (286 kB) »

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email
sales@arbiter.com

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