Installation guide

V3.8
OnTime Industrial Ethernet
U/R/T200 series Installation Guide
- 32 -
multiple GPS antennas/receivers are used with multiple T208 a true redundant system can be
built.
Installation procedure for connecting the Acutime 2000 to T200:
Color and # of Acutime RS-422 cable Pin # on RS 422 connector
Violet 2 Pin 11
Orange 3 Pin 1
Brown 4 Pin 12
Yellow 5 Pin 2
Orange/White 11 Pin 4
Black/White 12 Pin 14
Black * - Minus supply voltage (Ground) *
Red * + Plus supply voltage *
* Supply voltage is not present on RS-422 connector on switch. Supply voltage must be from external
power supply. (Reason is that the FS200 series of switches can operate on up to 60VDC, while the
Acutime 2000 requires 8-36VDC power supply). The Acutime can also be powered from the same
power source as the switch via the power plug if the switch is powered from external 24VDC.
See tables below for more details about signal routing.
Table 1 shows the pin-out of the T208 GPS interface connector, and table 2 shows the pin-
out of the Acutime 2000.
Pin nr Function Description
1 RS-422 TX + RS-422 positive transmitter output to GPS
2 RS-422 RX + RS-422 positive receiver input from GPS
3 PPX OUT2 TTL OUT2, PPX output TTL signal
4 PPS RS-422 RX+ Pulse per second input from GPS RS-422 I/F
5 PPS TTL INPUT Pulse per second input from GPS TTL level
6 PPX OUT1 TX- OUT1, PPX RS-422 negative transmitter output
7 PPX/TTL 0V Return path for RS232 and TTL signals
8 PPX OUT2 TX- OUT2, PPX RS-422 negative transmitter output
9 PPX OUT1 TTL OUT1, PPX output TTL signal
10 RS232/TTL 0V Return path for RS232 and TTL signals
11 RS-422 TX- RS-422 negative transmitter output to GPS
12 RS-422 RX- RS-422 negative receiver input from GPS
13 PPX OUT2 TX+ OUT2, PPX RS-422 positive transmitter output
14 PPS RS-422 RX- Pulse per second input from GPS RS-422 I/F
15 PPX OUT1 TX+ OUT1, PPX RS-422 positive transmitter output
Table 1, pin-out GPS interface connector
Pin nr/ Wire color Function Description
1/Red +8-36V Positive DC power
2/Violet Port B RS-422 RX- Port B RS-422 Negative receive
3/Orange Port B RS-422 RX+ Port B RS-422 Positive receive
4/Brown Port B RS-422 TX- Port B RS-422 Negative transmit
5/Yellow Port B RS-422 TX+ Port B RS-422 Positive transmit
6/White Port A RS-422 RX- Port A RS-422 Negative receive
7/Gray Port A RS-422 RX+ Port A RS-422 Positive receive
8/Green Port A RS-422 TX- Port A RS-422 Negative transmit
9/Black Ground Negative DC power / ground
10/Blue Port A RS-422 TX+ Port A RS-422 positive transmit