Section 3: Operation
NetClock/GTP Instruction Manual
Page 3-27
The Spectracom Model 8175, TimeView 230, is a display clock with 2.3 inch high
digits. The Model 8177 TimeView 400 features 4.0 inch display digits. TimeView
display clocks use a 6-position terminal block to connect to the RS-485 data bus.
Connect the TimeView to the NetClock/GTP RS-485 Output as shown in Figure
3-11. The TimeView display clocks accept only Data Formats 0 or 1.
FIGURE 3-11 TIMEVIEW RS-485 INTERFACE
The Model 8179T, TimeTap, is an RS-485 to RS-232 converter. The Model
8179T has a DB9 RS-232 interface that receives operational power from the RS-
232 flow control pins RTS or DTR. Connect the TimeTap to the RS-485 data bus
as shown in Figure 3-12.
FIGURE 3-12 MODEL 8179T TIMETAP RS-485 INTERFACE