Installation Manual for the Ademco 1998PI, published in 1998. Document No: N4673-4, Rev: 4. Models 1998PI and 1990MK. Hardware installation, terminal connections, and environmental requirements.
Installation Manual for the Ademco 1998PI, published in 1998. Document No: N4673-4, Rev: 4. Models 1998PI and 1990MK. Hardware installation, terminal connections, and environmental requirements.
