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ioPAC 8500 Hardware
85M Module Hardware Introduction
4-17
Specifications
The following are the 85M-5401-T module’s product specifications.
Serial Communication
Interface: 4 RS-232/422/485 ports, software selectable (DB44 male)
Isolation: 3K VDC or 2K Vrms
Note: DB44 to 4-port DB9 cable included in the package.
Serial Communication Parameters
Parity: None, Even, Odd
Data Bits: 7, 8
Stop Bits: 1, 2
Flow Control: RTS/CTS, XON/XOFF
Baudrate: 300 bps to 921.6 Kbps
Serial Signals
RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422: Tx+, Tx-, Rx+, Rx-, GND
RS-485-4w: Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w: Data+, Data-, GND
Physical Characteristics
Connector: DB44 female
Environmental Limits
Operating Temperature: -40 to 75°C (-40 to 176°F)
Power Requirements
Input Current: 375.8 mA @ 3.3 VDC
MTBF
(mean time between failure)
Time: 596,611 hrs.
Standard: Telcordia SR332
Pin Assignment
The 85M-5401-T module’s pin assignment follows. The DB44 to
4-port DB9 cable should be included in the package.