ADC 19717-A 4.10 EMS Computer Connection

ADCP-75-169 • Issue 1 • June 2004

HOST UNIT 1	HOST UNIT 2	HOST UNIT 3
NET IN NET OUT	NET IN NET OUT	NET IN NET OUT

16900-B

	TO NEXT HOST UNIT
CONTROLLER AREA NETWORK	(NOTE: LAST HOST HAS NO
	CONNECTION AT NET OUT)
INTERFACE CABLES

Figure 17. Configuring CAN Connections with Multiple Host Units

4.10 EMS Computer Connection

The service interface connection between the HU and the EMS computer is supported by a single DB-9 female connector. The service connector provides an RS-232 DTE interface. A three meter long straight-through RS-232 interface cable is available (accessory) for connecting the EMS computer to the HU. Use the following procedure to install the service interface cable:

1.Connect one end of the service interface cable (accessory) to the SERVICE port as shown in Figure 18.

2.Route the service interface cable to the EMS computer and connect the free end of the cable to the computer’s RS-232 DCE port. Refer to the user manual provided with the computer to locate and configure the specified port.

17870-A

Figure 18. Service Interface Connection

Page 19

© 2004, ADC Telecommunications, Inc.