PX4i and PX6i High Performance Printer User Guide 115
One yellow and one green LED indicate the network status.
Understanding the Ethernet LEDs
Parallel IEEE 1284 Interface
The parallel port supports Universal Plug and Play (UPnP) and additional status
reporting through IEEE 1284 nibble ID mode.
Parallel IEEE 1284 Pins and Descriptions
LED Status Description
Green On Link
Off No link
Blinking Network activity
Yellow On 100BASE-TX
Off 10BASE-T
Pin Description Transmitter Comments
1 nStrobe Host
2 to 9 Data 0-7 Host
10 nAcknowledge Printer
11 Busy Printer
12 Perror Printer
13 Select Printer
14 nAutoFd
15 to 16 Not connected
17 Chassis ground
18 External +5 V DC Max 500 mA
19 to 30 Signal ground
31 nInit
32 nFault Printer
33 Signal ground
34 to 35 Not connected
36 nSelectIn