Chapter 2. Installation
21
May 2011
2.6 Data port side
2.6.1 V.35 interface connector
Utilizes standard V.35 pin-out. The three test pins have been chosen for loops and test. For
applications using a V.35 interface, clock mode is selected DTE2, connect the ERC input clock to
pins Z(A) and BB(B).
2.6.2 X.21 interface connector
For applications using an X.21 interface external clock (Clock mode select DTE1 or DTE3),
connect the input clock to pins 7(A) and 14(B) of the 15-pin connector.
2.6.3 RS-530 interface connector
Utilizes standard pin-out. The three test pins have been chosen for loops and test. For applications
using an RS-530 interface, clock mode is selected DTE2, connect the ERC input clock to pins
20(A) and 23(B).
2.6.4 RS-232 interface connector
Appendix A.5 describes the interface connection for RS-232.
2.6.5 RS-449 interface connector
Appendix A.6 describes the cabling connection between the RS-530 interface and the RS-449.
2.6.6 G.703/64K Interface connector
Appendix A.7 describes the cabling connection for the G.703/64K interface.
2.6.7 NRZ/BNC Interface connector
Appendix A.8 describes the cabling connection for the NRZ/BNC interface.
2.6.8 ET100 10/100BASE-TX Interface connector
Appendix A.9 describes the cabling connection and DIP switch settings for the Ethernet Bridge
interface.
2.6.9 ET100R 10/100BASE-TX Interface connector
The Ethernet connection for the ET100R module is a standard MDI, shielded RJ-45. A
separate electronic manual (in PDF format) is provided with this module to cover setup and
configuration of the router functions.
Notice: Cable and Termination
Use a shielded twisted pair cable between the ETU-01A and the DTE device. The receivers on
the ETU-01A are 100 Ohm terminated (For X.21 and RS-530). If problems are encountered with
the connection to the DTE interface, make sure that the DTE interface is terminated correctly.
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