Diagnostics
5.1 Diagnostic options
CP 243-1
Operating Instructions, 03/2012, C79000-G8976-C244-02
107
Byte offset in variable memory Meaning Format
108 - 109 Common flag byte
• Bit [0] duplex mode
– 0: Half duplex
– 1: Full duplex
• Bit [1] Transmission speed
– 0: 10 Mbps
– 1: 100 Mbps
• Bit [2] Autonegotiation
– 0: Autonegotiation not enabled
– 1: Autonegotiation enabled
• Bit [3] Automatic address assignment
– 0: network parameters from configuration
– 1: network parameters from BOOTP/DHCP
• Bit [4] protocol
– 0: BOOTP
– 1: DHCP
• Bit [5-15]: Reserved
2 bytes, hex
110-113 Current IP address 4 bytes, hex
114- 117 Current subnet mask 4 bytes, hex
118-121 IP address of the gateway currently being used 4 bytes, hex
122-127 MAC address 6 bytes, hex
Structure of the NPB memory area
● LEDs (see chapter Codes: Front LEDs (Page 40))
● Test e-mail:
The CP 243-1 can send a test e-mail with an HTML page that is called from a Web
browser. This mechanism makes it easy to check whether a desired e-mail server or e-
mail receiver can be reached from the CP 243-1. The user name and the password of the
administrator must be specified before this test e-mail mechanism can be triggered. The
error messages that can occur while a test e-mail is being sent are explained in chapter
Error messages of the test mechanism for e-mails (Page 117).
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