Chapter 5 321
Programming Fundamentals
Using the LAN to Control the Instrument
Programming Fundamentals
requests and responses.
host The host name or IP address.
packetsize The size of each packet (8 bytes - 4096 bytes).
count The number of packets to send before ending ping (1-(2
31
-1)).
If count is not specified, ping sends packets until
interrupted.
EIA/TIA 568B Wiring Information
Table 5-1 Straight-Through Cable (Unshielded-twisted-pair (UTP) cable with RJ-45
connectors)
Standard, Straight-Through Wiring (each end)
Signal Name RJ-45 Pin # Wire Color Pair #
RX+ 1 white/orange 2
RX- 2 orange
TX+ 3 white/green 3
TX- 6 green
Not
Used
4blue1
5white/blue
7white/brown4
8brown
Table 5-2 Cross-Over Cable (Unshielded-twisted-pair (UTP) cable with RJ-45
connectors)
Cross-Over Wiring
a
Connector A Connector B
Signal Name RJ-45 Pin # RJ-45 Pin # Signal Name
RX+ 1 3 TX+
RX- 2 6 TX-
TX+ 3 1 RX+
TX- 6 2 RX-
Not
Used
44Not
Used
55
77
88