Specifications
Rear Panel
The following elements are located on the rear panel, from left to right.
Note: The SyncServer S350i does not include a GPS receiver, modem or LFradio.
Radio(LFRadioModule)
Description:The optional LF Radio Module (LFR) can be purchased with the SyncServer or sep-
arately. The frequency must be specified at the time of purchase.
Timing Accuracy:Variable, depending on conditions.
Transmitters:
n JJY, 40 kHz,
n JJY, 60 kHz,
n WWVB, 60 kHz
n DCF-77, 77.5 kHz
Option part numbers:
n 1520R-LFR40-KITSyncServer 40 kHz LFR Kit
n 1520R-LFR60-KITSyncServer 60 kHz LFR Kit
n 1520R-LFR77-KITSyncServer 77.5 kHz LFR Kit
Modem
Description:Provides dial-up time service over 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 other European timecode
services).
Delay Compensation:ACTS, TJJY
Standards:V.92/56K, V.44 and V.42bis data compression, V.42 error correction
Also see:REFERENCES - Modem (on page 72) and Using the Modem for Dial-up Time Ser-
vice (on page 159)
PowerandAlarmRelays
Description:Two relays. The Power relay de-energizes when the SyncServer loses or cycles
power (non-configurable). The Alarm relay can be configured by the user to de-energize when
the SyncServer generates alarms. Also see ADMIN - Relays (on page 92). Specs given for a
resistive load.
Connector:SPDT relays that connect “dry contacts”.
Rated load:0.30 A at 125 VAC, 1 A at 30 VDC
Max. Carry Current:1 A
Page 114..........................................................................997-01520-02 Rev. F1
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