538-750 Siemens Fiber Optic RS-232 Interface

Siemens Building Technologies, HVAC Products
538-750 Fiber Optic to RS232 Interface:
Operating Temperature: 0-50°C (32-122°F)
for use with system 600 Apogee
Revision 04
0624 Date Code
538-757 AC Adapter:
Stancor AC Adapter
Model STA-4160
Input: 120VAC 60Hz 10W
Output: 6.0VDC 600mA
Class 2 Transformer
Made in Taiwan
536-011 DB25F to RJ-11 Serial Data Cable: