Spectracom Securesync 1204-21 Quad 1PPS Output RS-485 Expansion Option Card [Used]

Orolia Spectracom • Part Number 1204-21 • Quad 1PPS Output RS-485 Expansion Option Card Description SecureSync Option Card with 4 x 1 PPS RS-485 level Outputs. Limit 6 per system.  Model 1204-21 1PPS Output (RS-485): Specifications Inputs/Outputs: (4) 1PPS output Signal Type and Connector: RS-485 (terminal block) Output Load Impedance: 120 Ω Rise Time to 90% of Level: <30 ns Programmable Pulse Width: 100 ns to 900 ms with 20 ns resolution Absolute Phase Error: ±50 ns (1σ) Programmable Phase Shift: ±5ns to 500 ms with 5ns resolution Maximum Number of Cards:6 Ordering Information: 1204-21 1PPS RS-485 output module, terminal block Model 1204-21 option card rear plate Model 1204-21 terminal block pin assignments Pin No. Function 1 1PPS Output 1 + 2 1PPS Output 1 - 3 GND 4 1PPS Output 2 + 5 1PPS Output 2 - 6 1PPS Output 3 + 7 1PPS Output 3 - 8 GND 9 1PPS Output 4 + 10 1PPS Output 4 -