Microhard Systems IP-921 Operating Manual page 28

3.0 Hardware Features
© Microhard Systems Inc.
Pin Name No.
CAT1 33 Ethernet RJ45 Pin 1.
CAT4 34 Ethernet RJ45 Pin 4.
CAT2 35 Ethernet RJ45 Pin 2.
CAT3 36 Ethernet RJ45 Pin 3.
LINK LED 37 Ethernet LINK LED
ACTIVITY LED 38 Ethernet Activity LED
RXD0_485 39 Data Port. RS485 Receive Data Logic level
RXD0_232 40 Data Port. RS232 Receive Data Logic level
DE_485 41 Date Port. RS485 Driver Output Enable. Avtive
!RSMODE 42 Sleep mode indication output. Active Low.
!RE_485 43 Data Port. RS485 Receiver Output Enable.
!RESET 44 Active low input will reset module
NC 45-46 *Reserved for future use.*
RSSI_LED3 47 Receive Signal Strength Indicator 3.
RSSI_LED2 49 Receive Signal Strength Indicator 2.
RSSI_LED1 51 Receive Signal Strength Indicator 1.
SYS LED 48 This output indicates system status. Normal
TX LED 50 Output indicates module is transmitting data
RX LED 52 Output indicates receive and synchronization
CONFIDENTIAL
Description
input into the modem.
input into the modem.
High Output.
Active low output.
Operation = Solid, Recovery = Fast Blink (3/s),
Loading/Upgrading = Slow Blink (1 every 2s)
over the RF channel.
status.
Table 3E: SIP921 Pin-Out Description (continued)
IP9xx Series
In/
Out
O
O
I
I
O
O
O
I
O
O
O
O
O
O
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