Interface
 

RS232/V.24, Full Duplex, Asynchronous and/or RS422/V.11, Full Duplex, Asynchronous
 

External Connectors
 

Female DB25 (Master Port and Subordinate Ports)
 

External Controls
 

MODE toggle switch; RESET push button switch
 

Internal Controls
 

Many functional parameters are switch selectable, including:

Baud/Data Rate: (2400, 4800, 9600, 19.2K, 38.4K, 57.6K, 76.8K, 115.2K Bps)

Word Format (7 or 8 Data bits; 1 or 2 Stop bits; Odd or Even Parity, enabled or disabled)

Port Configuration: DTE/DCE and Control Handshake configurable for each port

Auto Timeout: (0.5 minutes, 1.5 minutes, 7.3 minutes or disabled/infinite)

Arming Character: (switch selectable by the user)
 

Indicators
 

LED’s for SWITCH TIME & LOCK-OUT; Bi-color LED’s for Master Port DATA and CONTROL status; 7- segment Port Display for PORT SELECTED, WatchDog and COMMUNICATION ERRORS
 

Internal Connectors
 

AS (Active Serial) and JTAG (Joint Test Action Group) for programming; AEX: ASIC signals access (future use); J6 – J8: 4-port expanders; P1: modem port; J9: modem power
 

Port Addressing
 

Code in the data stream assigns/selects the port.
 

Power
 

115/230 VAC (switch-selectable; fuse as specified), 50/60Hz, 11 watts
 

Humidity
 

15% to 95% Non-condensing
 

Temperature
 

Operating: +32o F to 122o F (0oC to 50oC)

Storage: - 40o F to 158o F (-40oC to 70oC)