Oki ML1120 Technical Reference Guide

Technical Reference Guide – Interface specifications > 29
E LECTRICAL CHARACTERISTICS
Signal levels
RS-232C interface signal levels are as specified below, and meet
the EIA Standard RS-232C:
–15 to –3 V: LOW = OFF = LOGIC “1”
+15 to + 3 V: HIGH = ON = LOGIC “0”
Line driver
NOTE
Line receiver
NOTE
Equivalent to HIN202
INPUT
OUTPUT
OUTPUT
+9V
+3V
-3V
-9V
+5V
400
The above figures are the standard values for a load of
3 Kohm, 15 pF and a driver source level of ±9 V.
Equivalent to HIN202
INPUT
+12V
-12V
-3V
+3V
INPUT
OUTPUT
5 K
If the power on the input side is OFF, the output of the
receiver becomes high (+2.4 V or more) at TTL level.

Oki ML1120 Specifications

General

Noise level	49.7 dB
Maximum duty cycle	18000 pages per month
Maximum number of copies	9 copies
Power requirements	120 - 220V
Dimensions (WxDxH)	889 x 587 x 379 mm

Weight and Dimensions

Dimensions (W x D x H) (imperial)	35 x 23.1 x 14.9 \