• AC Power Source Dedicated 120VAC, line-to-neutral. Fused. 200mA@250Vx20mm Fast-Blo
• AC Power Voltage Tolerance (90-132VAC) for 120V
• AC Power Frequency 50/60 Hz
• AC Power Termination 2-position Euro-style pluggable connector (max wire size 12 gauge)
• Alternate DC Power Source 12VDC, 300mA unfused (Auxiliary input disabled if line connected)
• Operating Temperature Range 0° to 50°C (32° to 122°F); <95%RH, non-condensing
• Storage Temperature Range -20°C to 70°C (-4° to 158°F)

Upstream Network Communications:

• Interface RS-485, RS-232
• Protocol Modbus RTU
• Baud Rate UI-selectable 2400, 4800, 9600, 19200
• Parity UI-selectable NONE, ODD, EVEN
• Communication Format 8-data-bits, 1-start-bit, 1-stop-bit
• RS-485 1/4-load transceivers; Duplex is UI-selectable 2-wire or 4-wire;5-position Euro-style pluggable connector
• RS-232 DCE, no handshaking
• DB-9 connection; pin 2: Transmitted Data from H8936; pin 3: Received Data into H8936; pin 5: Ground

Downstream Network Communications:

• Interface RS-485
• Protocol Modbus RTU
• Duplex UI-selectable 2-wire or 4-wire
• Load 1/4-load transceivers
• Baud Rate: UI-selectable 2400, 4800, 9600, 19200
• Parity UI-selectable NONE, ODD, EVEN
• Communication Format 8-data-bits, 1-start-bit, 1-stop-bit
• Termination 5-position Euro-style pluggable connector UI-Switch Inputs Number/Function Four (METER, UP, DOWN, SELECT)

Auxiliary Input (Remote Alarm):

• Type Contact closure or pull-to-ground (10mA max)
• Isolation Optical to 2500VAC
• Sense UI-selectable N.O. or N.C.; (i.e. Closed = Alarm or Open = Alarm)

LCD:

• Size 1” x 4” visible area, 2 lines x16 characters per line
• Backlight Green, UI-adjustable brightness in 10 steps