Miscellaneous Option Cards; Alarm Relay Out [1204-0F] - Spectracom SecureSync User Reference Manual

The Unicast mode is activated at the initiative of the Slaves. Each Slave, which wants to run in uni-
cast mode, shall first negotiate Unicast contracts with the Master.
Minicast/Hybrid Mode
The Minicast/Hybrid mode is a method to minimize the PTP packets payload on the network,
where:
5.6

Miscellaneous Option Cards

This section contains technical information and SecureSync Web UI procedures pertaining to
option cards that do not fall into other categories, e.g. cards that serve as signal relays.
5.6.1

Alarm Relay Out [1204-0F]

The Model 1204-0F Alarm Relay Option Card provides three (3) configurable relay outputs for the
SecureSync platform.
5.6.1.1 Alarm Relay Out [1204-0F]: Specifications
CHAPTER •
5 SecureSync User Reference Guide Rev. 18
The transmissions initiated by the Master (Announce, Sync/Follow-Up) run in multicast
mode.
The transmissions initiated by the Slaves (Delay_Req/Delay_Resp) run in unicast mode.
Inputs/Outputs : (3) three contact relay connections (NC, common, NO)
Signal Type and Connector : Terminal block
Contacts switch under max. load of 30 VDC, 2A
Contacts rated to switch: 220 VDC
Nominal Switch Capacity : 30 V, 2A
Maximum switch voltage : 220 VDC
Maximum switch power : 60 W
Maximum switch current : 2A
Breakdown voltage : 1000 VDC between contacts
Switch time : 4ms, max.
Maximum Number of Cards : 1
Ordering Information : 1204-0F: Relay Outputs Module
5.6 Miscellaneous Option Cards
417