Epson C12C824052 (Internal Type-B 10/100Base-T High Speed Ethernet Print Server User Manual page 251

Do not change any jumpers other than those listed in following
table.
.
JP4 JP5
Open Open
Close Close
Close Close
Close Open
Close Open
JP7
JP6 JP5
JP6 JP7
Open Open
Open Open
Open Close
Close Open
Close Close
JP4
Mode
Auto-negotiation (10Half,
10Full, 100Half, 100Full)
Factory default settings
100 Base-TX Full Duplex
100 Base-TX Half Duplex
10 Base-T Full Duplex
10 Base-T Half Duplex
Troubleshooting
12
12
12
12
12
12
12
12
12
12
12
12
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