11 Technical Appendix
11.8.20.11 CPE-4020: Programmable Outputs via serial Interface
The module CPE-4020 has two interfaces with RJ45-connector (COM A and B). These provide Time
PPS with RS-422 level. The following configurations must be performed to correctly output the signals.
Baud Rate
19200
Framing
8N1
String Type
Meinberg GPS
Mode
per second (PPS)
Pin assignment
Pin 3:
TXD_P, serial interf. transmit pos.
Pin 5:
GND (Ground)
Pin 6:
TXD_N, serial interf. transmit neg.
Pin 7:
SYNC_P, PPS transmit, pos.
Pin 8:
SYNC_N, PPS transmit, neg.
Current Consumption:
5 V +-5%, 150 mA
Connection type:
8P8C (RJ45)
Cable:
Copper twisted pair,
e.g. CAT 5.0
4020
CPE
COM A
COM B
RS-422
TxD 1 / PPS
Pin 3
TxD (+)
Pin 6
TxD (-)
Pin 7
PPS (+)
Pin 8
PPS (-)
1
8
IMS - LANTIME M4000
Date: 27th May 2021
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