MODEL 7150 16-CHANNEL RJ45 RS-232 A/B SWITCH WITH AUTOMATIC FALLBACK, GUI, AND
CASCADE
Electro Standards Laboratories, Inc.
(401) 943-1164
www.electrostandards.com - pg 9 - Pub. 6026-02
Pin
Function
1
Bus Communication – RS-485 Non-inverting pin (+)[bidirectional]
2
Bus Communication – RS-485 Inverting pin (-)[bidirectional]
3
Common Reference [gnd]
4
Reserved [dry]
5
Reserved [output]
6
Bus Communication – Driver Busy [bidirectional]
7
Reserved [dry]
8
Reserved [input]
Table 2: Complete Pinout of the Cascade Out Port
Note: Pins labeled as “[gnd]” in
Error! Reference source not found.
and
Error! Reference source not found.
are pins that are internally
tied together and connected to ground.
Note: Pins labeled as “[gnd]” in
Error! Reference source not found.
and
Error! Reference source not found.
are pins that are internally
tied together and connected to ground.
Ethernet Remote Port Pinout
SIGNAL NAME
PIN #
DIRECTION
TRANSMIT DATA A (XMT-A)
1
OUTPUT
TRANSMIT DATA B (XMT-B)
2
OUTPUT
RECEIVE DATA A (RCV-A)
3
INPUT
RECEIVE DATA B (RCV-B)
6
INPUT
Table 3: Ethernet Remote Port Pinout
