Monroe Electronics R153 - Manual (Page 6)

6
Printer Connection:
The 'PRT' connector on the back panel is intended for use with an external serial
printer. Plug one end of the telephone line cord into the 'PRT' located on the back
panel and the other end to the DB25S connector provided in the accessory kit. Then
attach the DB25S to your external serial printer.
Power:
The R-153 requires 9VAC, which is provided by the wall transformer contained in
the accessory kit. When AC power is applied to the R-153, you must wait about 30
seconds for it to initialize.
OUTPUT INDICATORS
Power:
The power indicator will light whenever the R-153 in powered by the 9 VAC wall
transformer.
TX and RX:
The TX indicator will flash whenever the R-153 is sending data out on it's RS-232C
link. The RX indicator will flash whenever the R-153 is receiving data on it's RS-
232C link.
Outputs:
Each output indicator will light when the corresponding output is switched 'ON'
(energized). When outputs are configured in the momentary operation, the
corresponding output indicator will light for 250 mSec. when switched 'ON.'