The base unit terminal block connection is depicted in Figure 2-1.
2-2. Interface Connections
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Westinghouse Proprietary Class 2C
Note
Do not use unmarked terminal block locations.
The J2 connector pin assignments for the Group 1 RS-232 personality module are
listed in Table 2-1. The Group 2 RS-422/RS-485 assignments are in Table 2-2.
Figure 2-1. Terminal Block Connections for the Link Controller Personality Module
1. COM is the galvanically isolated common terminal of the Applications Port.
2. Use an overall shield conductor for the Applications Port cable:
 A. To ground the cable shield locally, connect the cable shield to terminal C17 (Earth Ground).
 B. To ground the cable shield remotely, connect the cable shield to terminal C16 (SH).
3. Connect a wire jumper for the following:
 A. To boot-up from an external IBM-compatible PC, connect a jumper between SEL and BT.
 B. To set Programming Port baud rate to 9600 (default is 19200), connect a jumper between SEL and BAU.

基本单元接线盒连接如图2-1所示。
2-2. 接口连接
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西屋专有2C级
笔记
不要使用未标记的接线板位置。
1组RS-232个性模块的J2接头触针分配如下：
如表2-1所示。2组RS-422/RS-485分配如表2-2所示。
图2-1。链路控制器个性模块的接线板连接
COM是应用程序端口的电流隔离公共端子。
2.应用端口电缆使用整体屏蔽导线：
A.要就地将电缆屏蔽接地，请将电缆屏蔽连接到端子C17（接地）。
B.要远程接地电缆屏蔽，请将电缆屏蔽连接到端子C16（SH）。
3.连接一根跨接导线，用于以下各项：
A.要从外部IBM兼容PC启动，请在SEL和BT之间连接跳线。
B.要将编程端口波特率设置为9600（默认值为19200），请在SEL和BAU之间连接一根跳线。