Fairbanks 2800 Series Intrinsically Safe Instrument - Manual (Page 71)

Appendix VI: ACC 2860 Communication Wiring
01/12 71 50647 Rev. 9
B. PORT B
FROM TB2 IN THE PC PC
ACC 2860 3550 3950 610 3960 3921 DB25 DB8
Pin 1 RXA/CTS 20 4 4 2 20 2 3
Pin 2 TXA 3 3 3 3 3 3 2
Pin 3
Pin 4 GND 7 7 7 7 7 7 5
Pin 5
FROM TB5 IN THE FUTURE
ACC 2860 USE
Pin 1 (+)12V *
Pin 2 ENI For
Pin 3 PCO future
Pin 4 PCI usage.
Pin 5 GND
*Do not use the +12V as a source for 20 MA
current loop or 4-20mA or any other device.
PRINTER CABLES
 Acc 1295 (15597) used on 3550 and 3921 printers.
 Acc 1296 (15598) used on 610 and 3950 printers.
 Acc 1297 (15599) used on 3960 printers.