
5 Hardware
PCS-9785 Satellite-Synchronized Clock
5-10
Date: 2014-10-15
Table 5.6-2 Output polarity mode of NR1205A
Jumper
Output polarity
Positive
Negative
J1 (Group 1)
1 2 3
1 2 3
J2 (Group 2)
1 2 3
1 2 3
Table 5.6-3 Output signal mode of NR1205A
Signal mode
Group 1 (Jumper "ON") Group 2 (Jumper "ON")
PPS
JP20
JP9
PPM
JP21
JP10
IRIG-B
JP22
JP11
PPH
JP23
JP12
Timing message
(serial port)
JP24
JP13
NOTICE!
The jumpers JP1~JP7 correspond to the match resistance of the No.1~7 RS-485 output
channels. Set "
ON
" to connect a 120Ω match resistance in parallel.
5.6.2 Optical-Coupled Contact (NR1216A)
The COM module NR1216A provides 8 optical-coupled contacts. The No.1~4 contacts form the
group 1 and the No.5~8 form the group 2.
08020
08020
08020
08020
08020
08020
08020
08020
08020