Connecting to COM Port for Local Management3-24 Installation
Figure 3-11 Connecting to a Modem
Adapter Wiring and Signal Assignments1UTP straight-throughcable with RJ45 connectors 4Local modem
2RJ45 COM port 5Remote modem
3RJ45-to-DB25 modem adapter 6PC
CPU
POE
1X
G
R
O
U
P
1
OFFLINE/
RESET
COM
MGMT
GROUP
SELECT
GROUP
1
2
3
4
5
6
1
2
3
4
4G4285-49Gb ENET
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COM Port Adapter Wiring and Signal Diagram
RJ45 DB9
Pin Conductor Pin Signal
1 Blue 2 Receive (RX)
4 Red 3 Transmit (TX)
5 Green 5 Ground (GRD)
2 Orange 7 Request to Send (RTS)
6 Yellow 8 Clear to Send (CTS)
RJ45 Connector (Female)
81
PinsDB9 Connector (Female)
Pins15
69