Specifications

Hardware Reference 35
C613-03086-00 REV A
Figure 1-16: RJ-45 loopback plug for testing asynchronous interfaces.
Figure 1-17: DB9 female loopback plug for testing asynchronous ports with DB9 male
connectors.
Figure 1-18: DB9 male loopback plug for testing asynchronous ports with DB9 female
Ethernet twisted pair (TP) loopback plug.
RJ45 Asynchronous Port Loopback Plug (RJ45 connector)
1
2
3
4
5
6
7
8
(RING)
(DCD)
(DTR)
(GND)
(RXD)
(TXD)
(CTS)
(RTS)
12345678
Router end view
of plug
RJ45LOOP
DB9 Male Asynchronous Port Loopback Plug (DB9 female connector)
1
2
3
4
5
6
7
8
9
DB9FLOOP
Pin 9
Pin 6
Pin 5 Pin 1
DB9 Female — Pin View
Not
connected
Not
connected
•Not
Twisted Pair (TP) Loopback Plug (RJ45 connector)
1
2
3
4
5
6
7
8
12345678
Switch or router
end view
TX+
TX-
RX+
RX-
TPLOOP