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COM128 Installation and Operation Manual Schneider Electric
13
6 TECHNICAL
SPECIFICATIONS
ELECTRICAL RATINGS
Isolation: 750 V between RS-232 and RS-
485 ports
Power Supply: Standard: 9 VDC @ 500 mA
(120 VAC adapter supplied)
Alternate: 2-pin pluggable terminal
block accepts
9-30 VDC
Power to DTR Pin: 5 VDC @ 10 mA
(jumper selectable)
Operating Temperature: 0
0
C TO 50
0
C (32
0
F to 122
0
F)
ambient air
Storage Temperature: -30
0
C to 70
0
C
(-22
0
F to + 158
0
F)
Humidity: 5 to 95 percent, non-
condensing
Shipping: Weight: 0.9 kg (2 lbs. 0 oz.)
Carton: 30 x 25 x 18cm
(11.8" x 9.8" x 5.9")
5.25"
(133mm)
5.25"
(133mm)
2.13" (54
mm)
(includes rubber
feet)
FEATURES
Baud Rates Supported: 1200, 2400, 4800, 9600, 19200
RS-232 Ports: One DTE (Male DB9)
One DCE (Male DB9)
RS-485 Ports: Four 3-pin, pluggable terminal
blocks, each with (+), (-), and
shield (SHLD) terminals
RS-485 port terminals all pass
ANSI/IEEE C37.90A-1989
surge withstand and fast transient tests.
Figure 6.1 COM128 Mechanical Dimensions