EDM 01-18 DAG 4.5G2/G4/GF Card User Guide
Connector
Pin-outs
Overview
DAG cards have an 8-pin RJ45 connector with two bi-directional RS422
differential circuits, A and B. The PPS signal is carried on circuit A, and the
serial packet is connected to the B circuit.
Pin Assignments
The 8-pin RJ45 connector pin assignments and plugs and sockets are shown
below:
1.
Out A+
2.
Out A-
3.
In A+
4.
In B+
5.
In B-
6.
In A-
7.
Out B+
8.
Out B-
Normally you should connect the GPS input to the A channel input (pins 3
and 6).
The DAG card can also output a synchronization pulse for use when
synchronizing two DAG cards without a GPS input. The synchronization
pulse is output on the Out A channel (pins 1 and 2).
Ethernet Crossover Table
You can use a standard Ethernet crossover cable to connect the two cards as
shown below:
8
1
8
1
Top
Front
8
1
RJ45 Socket
TX_A+ 1 3 RX_A+
TX_A- 2 6 RX-A-
RX_A+ 3 1 TX_A+
RX_B+ 4 7 TX_B+
RX_B- 5 8 TX_B-
RX_A- 6 2 TX_A-
TX_B+ 7 4 RX_B+
TX_B- 8 5 RX_B-
©2005-2006
31
Version 4: August 2006
Summary of Contents for DAG 4.5G2 Card
Page 1: ...DAG 4 5G2 G4 GF Card User Guide EDM01 18...
Page 4: ...EDM 01 18 DAG 4 5G2 G4 GF Card User Guide 2005 2006 Version 4 August 2006...
Page 6: ...EDM 01 17 DAG 4 5G2 G4 GF Card User Guide 2005 2006 ii Version 4 August 2006...
Page 14: ...EDM 01 17 DAG 4 5G2 G4 GF Card User Guide 2005 2006 8 Version 4 August 2006...
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