Communication Ports
4.4 BNC Ports
Serial RJ45 Port with IRIG-B Support
8
1
Figure 4.11
Serial RJ45 Port Pin
Configuration
Pin
RS232
Mode
RS485
Mode
RS422
Mode
1
RX-
2
+IRIG-B
3
Common (Isolated) Ground
4
Common (Isolated) Ground
5
RX+
6
TX/RX+
TX+
7
CTS
8
RTS
TX/RX-
TX-
Shield
Chassis Ground
In RS232 mode, the RJ45 ports conform to EIA-561 DTE, which transmit on TXD and receive on RXD.
Note
Pins 7 and 8 are connected internally. In RS232 mode, these pins enter a high
impedance state. A DTE that asserts RTS will see CTS asserted. However, the device
will not perform hardware flow control.
4.4
BNC Ports
The following BNC ports are available on the PTP module:
TT
L
IN
TT
L
OU
T
1
3
2
1
TTL OUT Port
2
Sync LED
3
TTL IN Port
Figure 4.12
PTP Module
Port
Function
TTL OUT
IRIG-B PWM or 1
PPS signal output,
software selectable
TTL IN
TTL-level IRIG-B
PWM signal input
Inputs are controlled by RUGGEDCOM RS416F and only one can be active at
any time. For information about activating an input, refer to the
RUGGEDCOM
RUGGEDCOM RS416F User Guide
for the RUGGEDCOM RS416F.
The color of the
Sync
LED on the front panel of the PTP module indicates the status
of the incoming timing signal:
•
Green
– Signal locked
•
Amber/Yellow
– Holdover (GPS lock has been achieved, but the receiver no
longer sees the minimum number of required satellites)
28
RUGGEDCOM RS416F
Installation Manual, 04/2021, C79000-G8976-1354-04
