Communication Buses; Bluebus Accessories - Nice Apollo 1550ETL–1K Installation Manual

4.1 - Gate Operator Accessory Inputs (Continued)
Guard Station Open: (34) Dry contact input for a guard station open switch. Momentarily shorting
the digital input to GND opens the gate to the full open position with the subsequent auto-close fea-
ture enabled.
Guard Station Stop: (35) Dry contact input (Normally Closed) for a guard station stop switch. Mo-
mentarily opening this input stops the opening gate at its current position. While this input is activat-
ed, all other inputs are disabled and are not functional.
Guard Station Close: (36) Dry contact input for a guard station close switch. Momentarily shorting
the digital input to GND closes the gate (master and slave).
RADIO
Radio Open: (39) Dry contact input for an accessory radio open switch. Momentarily shorting the
digital input to GND opens the gate to the full open position with the subsequent auto-close feature
enabled.
Radio Close: (40) Dry contact input for an accessory radio close switch. Momentarily shorting the
digital input to GND closes the gate.
Radio Input: Open/Close: (39 and 40) If you tie open and close together the unit will operate like a
garage door opener in the instance that each time you press the button, it will either OPEN, STOP
or CLOSE.

4.2 - Communication buses

4.2.1 - BLUEBUS ACCESSORIES

MOTB: Moon Touch programmable keypad with secure codes (up to 9 digits per code if required) to con-
trol gate opening and closing. Connects to the 2-wire BlueBUS connector with inexpensive unshielded
twisted-pair wire.
FT210B/MOFB: Photocell transmitter and receiver pair that connects to the 2-wire BlueBUS connector
with inexpensive unshielded twisted-pair wire and is a monitored, non-contact sensor for entrapment pro-
tection as specified in UL325, Section 31.1 "General Entrapment Protection Provisions".
Master Slave:
This interface is not used in this application
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Figure 19 - COMMUNICATION BUSES