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40 | RPM Ports and Cables
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Accessing the Auxiliary Port by Modem
You can access the auxiliary port using a dial-up modem using a RJ-45 to RJ-45 rollover cable and a RJ-
45 to a DB-25 male DCE adapter (labeled “MODEM”).
Table 8-5
lists the pin assignments.
Accessing the 10/100 Ethernet Management Port
Configure the 10/100 Ethernet management port, labeled 10/100 Ethernet on the primary RPM card in
order to obtain network access capability, such as downloading a runtime image onto your system. You
can connect this port to an Ethernet hub or Fast Ethernet port on a router.
Table 8-5. RJ-45 to DB-25 Adapter Pin (Modem) Assignments
E600i Auxiliary
Port
RJ-45 to RJ-45 Rollover Cable RJ-45 to DB-25
Modem Adapter
Modem
Signal RJ-45 Pinout RJ-45 Pinout DB-45 Pinout Signal
RTS 1 8 4 RTS
DTR 2 7 20 DTR
TxD 3 6 3 TxD
GND 4 5 7 GND
GND 5 4 7 GND
RxD 6 3 2 RxD
DSR 7 2 8 DCD
CTS 8 1 5 CTS
Table 8-6. 10/100 Ethernet Management Port LEDs
Label Description
L (Link) Lit: Link is up.
Unlit: No connection
A (Activity) Lit: Activity on port.
Unlit: No activity