Gps Port; Table 2-4 Special Essr Ethernet Port Connector Pin-Outs (Rj45) - Siemens VIU-20 Installation And Instruction

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PORT
NOMENCLATURE
LOCATION
Top Panel Ethernet
Port 2
Top Panel ESSR Only
(Port 2)

Table 2-4 Special ESSR Ethernet Port Connector Pin-outs (RJ45)

Pin No. Signal Name
1 Ethernet TX
2 Ethernet TX
3 Ethernet RX
4
5
6 Ethernet RX
7
8

2.1.8 GPS Port

The GPS port is a female DB9 connector that provides the 1 pulse per second (pps) GPS signal
output from the VIU. It also provides a NMEA 0183 output from the internal GPS receiver. This
port is designed to connect to a CBTC Wayside Communications Module (WCM) {not to be
confused with Siemens WCM, A53447} providing an accurate time source for broadcasting of
wayside status messages. Refer to Table 2-5 for connector pin outs.
SIG-00-07-11
Version No.: B.2
Use for communication between
VIU and other Ethernet equipped
devices such as other VIU units.
NOTE
This port is in parallel with ESSR
only (Port 2). Do not use both
ports simultaneously.
Special Ethernet port. Use for
connection to Siemens Ethernet
Spread Spectrum Radio (53325)
only. This port also provides power
to the radio.
NOTE
This port is in parallel with
Ethernet Port 2. Do not use both
ports simultaneously.
VDC
VDC
Ground
Ground
INTENDED USE
Abbr.
Tx (+) Radio to Ethernet (Transmit data +)
Tx (-) Radio to Ethernet (Transmit data -)
Rx (+) Ethernet to Radio (Receive data +)
DCV (+)
DCV (+)
Rx (-) Ethernet to Radio (Receive data -)
GND (-) Power ground to Radio
GND (-) Power ground to Radio
2-9
SEPTEMBER 2012 (REVISED OCTOBER 2019)
INSTALLATION
LED INDICATIONS
n/a
n/a
Signal Description
Power to Radio
Power to Radio