348 Chapter 10
Specifications and Supplemental Performance Characteristics
Basic Characteristics
LAN Interface
21 Input/Output port C0 TTL level, latch output
22 Input/Output port C1 TTL level, latch output
23 Input/Output port C2 TTL level, latch output
24 Input/Output port C3 TTL level, latch output
25 Input/Output port D0 TTL level, latch output
26 Input/Output port D1 TTL level, latch output
27 Input/Output port D2 TTL level, latch output
28 Input/Output port D3 TTL level, latch output
29 Port C status TTL level, input mode: LOW, output mode: HIGH
30 Port D status TTL level, input mode: LOW, output mode: HIGH
31 Write strobe signal TTL level, active low, pulse output (width: 10ms,
typical)
32 +5V pullup
33 SWEEP END signal TTL level, active low, pulse output (width: 20ms,
typical)
34 +5V +5V, 100mA MAX
35 PASS/FAIL signal TTL level, PASS: HIGH, FAIL: LOW, latch output
36 PASS/FAIL write
strobe signal
TTL level, active low, pulse output (width: 10ms,
typical)
Table 10-1 24-Bit I/O Port Pin Assignment
Pin No. Signal Name Signal Standard
Standard conformity 10 Base-T Ethertwist, RJ45 connector
Protocol TCP/IP
Supported applications Telnet, FTP, FTP with automatic execution
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