12
Connections
Insert small bladed screwdriver
to release the fuse.
Figure 3-1, Power Entry Module
Line
Voltage
Fuse Rating Manufacturer Manufacturer Part No.
110-240V 1A, slow blow, 250Vac, ¼” x 1-1/4” Bel Fuse Inc. 3SB 1-R
Table 3-1, AC Line Fuse Information
3.2 Ground Connection
The rear panel GND ground screw (refer figure 2-2) should be connected to
safety earth ground using #18 AWG or larger wire.
3.3 RS232 Connection
The switch matrix may be operated over this connection (See Section 6 for a
description of the commands). The RS232 connection is configured with these
default settings: 9600 Baud, 8 bit data, no parity, 1 stop bit.
The baud rate can be changed thru the keypad / LCD to:
1200, 2400, 4800, 9600, 19200, 38400, 57600,115200 bits/sec
Figure 3-2 and Table 3-2 show the pin numbers and functions for the RS232
female connector.
15
69
Figure 3-2, RS232 Female Connector Pin Numbers
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