Firmware Updates

Note that some updates - noted below - are only available as an EPROM update. Contact Tech Support for more information.

ModelLatest VersionNotes
1083B 1083B_Firmware_10Apr2007 Requires an EPROM update from Arbiter.
1083B_Measurement_Board_Firmware_12Dec2006 Requires an EPROM update from Arbiter.
1088 1088B_Firmware_02May2019 Requires an EPROM update from Arbiter.
NTP/PTP Firmware_2.08_update-00.11 Downloadable. UNZIP, read instructions, and use the web/SSH interface to import apf file(s) into unit.
NTP/PTP Firmware_SHA256_2.08_update-00.11 NTP/PTP Firmware SHA256 checksum
Power System Time, Frequency, and Phase Monitor Firmware_05Apr2012 Requires an EPROM update from Arbiter.
1092 1092/1093_Firmware_21Mar2017 Requires an EPROM update from Arbiter.
1093 1092/1093_Firmware_21Mar2017 Requires an EPROM update from Arbiter.
NTP/PTP Firmware_2.08_update-00.11 Downloadable. UNZIP, read instructions, and use the web/SSH interface to import apf file(s) into unit.
NTP/PTP Firmware_SHA256_2.08_update-00.11 NTP/PTP Firmware SHA256 checksum
Power System Time, Frequency, and Phase Monitor Firmware_05Apr2012 Requires an EPROM update from Arbiter.
1094B 1094_Firmware_25Feb2019 Downloadable. Use the 1094 Utility to import file into unit.
1094_Firmware_SHA256_25Feb2019 1094_Firmware SHA256 checksum
1095 1095_Firmware_04Mar2019 Downloadable. Use the Utility to import file into unit.
1095_Firmware_SHA256_04Mar2019 1095_Firmware SHA256 checksum
1133 1133_Firmware_07Dec2016_440 Downloadable. Requires 1133uploader.
1133_Firmware_SHA256_07Dec2016_440 1133_Firmware SHA256 checksum
1200 1200-1201_Firmware_01.23_16Jan2023 Downloadable. Requires Utility (See Software tab).
1200-1201_Firmware_SHA256_01.23_16Jan2023 1200-1201_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
NTP/PTP Firmware_2.08_update-00.11 Downloadable. UNZIP, read instructions, and use the web/SSH interface to import apf file(s) into unit.
NTP/PTP Firmware_SHA256_2.08_update-00.11 NTP/PTP Firmware SHA256 checksum
Power System Time, Frequency, and Phase Monitor Firmware_05Apr2012 Requires an EPROM update from Arbiter.
1201 1200-1201_Firmware_01.23_16Jan2023 Downloadable. Requires Utility (See Software tab).
1200-1201_Firmware_SHA256_01.23_16Jan2023 1200-1201_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
NTP/PTP Firmware_2.08_update-00.11 Downloadable. UNZIP, read instructions, and use the web/SSH interface to import apf file(s) into unit.
NTP/PTP Firmware_SHA256_2.08_update-00.11 NTP/PTP Firmware SHA256 checksum
Power System Time, Frequency, and Phase Monitor Firmware_05Apr2012 Requires an EPROM update from Arbiter.
1202 1202_Firmware_16Sep2021_0117 Downloadable. Requires 1202_Utility (See Software tab).
1202_Firmware_SHA256_01.17_16Sep2021 1202_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
NTP/PTP Firmware_2.08_update-00.11 Downloadable. UNZIP, read instructions, and use the web/SSH interface to import apf file(s) into unit.
NTP/PTP Firmware_SHA256_2.08_update-00.11 NTP/PTP Firmware SHA256 checksum
Power System Time, Frequency, and Phase Monitor Firmware_05Apr2012 Requires an EPROM update from Arbiter.
1205 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
1205D 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
1206 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
120A 120A_Firmware_02Mar2023_0105 Downloadable. Use the embedded user interface to import file into unit.
120A_Firmware_SHA256_02Mar2023_0105 120A_Firmware SHA256 checksum
921A 921_Firmware_24Oct2012 Requires an EPROM update at Arbiter. Not field installable.
928A 928_Firmware_11Oct2016_113 Downloadable. Requires 928_MLink version 0.506 or newer.
928_Firmware_SHA256_11Oct2016_0113 928_Firmware SHA256 checksum
929A 929/30/31_Firmware_05Dec2018 Requires an EPROM update from Arbiter. The same update works for Models 929, 930 and 931.
930A 929/30/31_Firmware_05Dec2018 Requires an EPROM update from Arbiter. The same update works for Models 929, 930 and 931.
931A 929/30/31_Firmware_05Dec2018 Requires an EPROM update from Arbiter. The same update works for Models 929, 930 and 931.
933A 933_Firmware_01Oct2012_117 Downloadable. Requires 933uploader.
933_Firmware_SHA256_01Oct2012_0117 933_Firmware SHA256 checksum
940 940_Firmware_30Jun2022_0111 Downloadable. Use the 940Utility to import file into unit.
940_Firmware_SHA256_30Jun2022_0111 940_Firmware SHA256 checksum
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