4
CONNECTING THE OPTIONAL RS-485 (COM2)
The J11 terminal allows for an optional half duplex, Multipoint EIA-RS-485 communications port. It is also
compatible with it is compatible with TIA/EIA-422-B.
This is realized by an optional board soldered to J11
pads.
RS-485 Connector J2
Pin No.
Wire Name
1
Tx+/Rx+ (AA)
2
Tx-/Rx- (BB)
CONNECTING THE OPTIONAL BLUETOOTH (COM2)
The J11 terminal allows for an optional Bluetooth port. This is realized by an optional board soldered to
J11 pads.
CONNECTING THE OPTIONAL ANALOG OUTPUT
The J3 terminal allows for an optional analog out. This is realized by an optional board soldered to J3
pads.
Please see Appendix E for more information on this option.
CONNECTING THE POWER SUPPLY
The TI-1680 indicator ships with an AC line cord attached to the indicator. It has been pre-wired on J7 at
the factory. Simply plug the unit into a standard wall outlet.