Maple Systems OMI6821BPHEB Operation Manual page 17

Operations Manual: OMI6800B Series
I/O PORTS
COM1 and COM2:
Connector Type: DE9P male serial ports.
Pin # (RS-232 Default)
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
* Refer to "Setting COM1 Function" section to set the communication mode.
LINE OUT:
Connector Type: 3.5mm audio jack.
Line out HD Audio port can be connected to a speaker or headphones.
USB:
OMI6800B models have 2 ea. USB 3.0 type A ports.
Note: USB 3.0 allows data transfers up to 5000 Mb/s,
full-speed, and low-speed signaling. The total USB current limit is 2.0A.
LAN1 AND LAN2:
Standard 10/100/1000M (Gigabit) RJ-45 Ethernet ports
LINK LED (green) and ACTIVE LED (green or orange)
located at the left-hand and right-hand side of the Ethernet port indicate the activity and
transmission state of the network.
REMOTE POWER SWITCH CONNECTOR:
Two-Position Connector Header, 2.5mm pitch.
OMI6800B Series units include the matching connector plug.
Operations Manual: OMI6800B Series
COM1*
(RS422)
422_TX-
422_TX+
422_RX+
422_RX-
GND
NC
NC
NC
NC
(RS485) (RS232)
485-
485+
NC
NC
GND
NC
NC
NC
NC
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COM2
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
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