LTRx-512 Installation and User’s Guide
Daylight Savings Codes
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APPENDIX A - SPECIFICATIONS
ELECTRICAL:
Input Voltage 120 or 220 / 240 VAC @ 60Hz or 50Hz
Input Power 50 VA max (less than 0.5A @ 120V)
Memory / Quartz Time Backup 10 year (nom.) Lithium Battery
Bell / Clock Control Relays 120VAC / 28VDC, 10A , Pluggable
Fuse 1 x 1.0 Amp Main (AGC1)
MECHANICAL / ENVIRONMENTAL:
Operating Temperature 32°-115° F (0°-46° C)
Weight About 12 lb. (depending on configuration)
Dimensions See configuration drawings
Mounting Options Semi-Flush, Surface, 19" Rack, Hidden Power Supply
(some configurations optional)
FUNCTIONAL:
Secondary Clocks Supported Any two (2) of twenty-four (24) types plus Lathem
DDC4R synchronization built-in; See Appendix B.
One (1) of twenty-four (24) types plus Lathem DDC4R
synchronization built-in; on the LTR4-512
Bell Zones and Schedules Up to eight (8) zones [less two (2) for each electro-
mechanical secondary clock type]. {Up to four (4) zones
on the LTR4-512.}
Eight (8) Schedules, each allowing sixty-four (64) multi-
function events.
Daylight Savings Time Supports DST standards for over 75 countries. See
Appendix B.
COMMUNICATIONS: (LTR8-512 and LTR8-512M)
Remote Communications with RS-232 point-to-point @ 2400/9600 Baud
Lathem LTR MasterLink, Terminal RS-485 multi-drop network
Manager and “Atomic Clock” Internal modem (option) dial-in / dial-out
Clock / Master Synchronization RS-485 Sync-In/Out Port @ 9600 Baud
using DDC4R Protocols RS-485 Sync-Out Port @ 9600 Baud
or Midnight Impulse Dry-contact input
REGULATORY:
Certifications / Registrations FCC Part15-ClassB, UL, cUL
FCC Part 68 / Canada ICES-003 - Class B