RS-232 Optical Isolator -
4kV Isolation, Port Power
Model 232SPHI4
www.advantech-bb.com
PRODUCT FEATURES
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4,000V, 2-way optical isolation
DB25 male and DB25 female connectors
Port-powered OR use optional external 12VDC power supply
Model 232SPHI4 isolates and protects RS-232 equipment from lightning surges,
accidental high voltage shorts, and ground loops. The isolator supports RS-232
data signals up to 115.2 Kbps as well as RTS and CTS handshake lines. The
232SPHI4 provides 4000 Volts isolation between sides — twice the rating of most
isolators. DTE device connections are made through a DB-25 female. DCE device
connections are made through a DB-25 male.
ORDERING INFORMATION
MODEL
CHANNELS
DTE
DCE
ISOLATION
NUMBER
PROTECTED CONNECTOR CONNECTOR
232SPHI4
4
DB25 Female DB25 Male
4,000 V
The two sides of the isolator are powered independently to maintain isolation. Both
sides can draw power from the RS-232 data and handshake lines, eliminating
external powering requirements in nearly all systems.
ACCESSORIES
SMI6-12-V-P230-C1 - Power Supply, 12 VDC 6 Watt, 2.5MM Plug,
International AC Input, International AC Blades
232CAMR - DB9 Male to DB25 Female, 6 in (15.2 cm)
232CAMS - DB9 Female to DB25 Male, 6 in (15.2 cm)
232AMF5 - DB25 Male to DB25 Female, 6 ft. (1.8 m)
If the isolator is to be used with low power ports or when no handshake lines are
available, external power can be supplied to either side or both. This versatile
powering configuration minimizes the number of supplies required by the overall
system.
SPECIFICATIONS - continued
SPECIFICATIONS
ENVIRONMENTAL
SERIAL TECHNOLOGY
Operating
Temperature
Storage Temperature -55 to 125 °C
Operating Humidity
MTBF
MTBF Calc. Method Parts Count Reliability Prediction
APPROVALS / CERTIFICATIONS - 232SPHI4
FCC Part 15, CISPR, EN55032
Data Rate
RS-232
115.2 kbps maximum
0 to +70 °C
Connector DB25 female (DTE)
Connector DB25 male (DCE)
Signals TD, RD, RTS, CTS
10 to 90% Non-Condensing
351896
Transmission Mode
POWER
Source
Asynchronous, half or full duplex, point-to-point
Port-powered from RS-232 data and handshake lines
12 VDC
2.5mm power jacks (tip positive) or
DB25 connectors pins 11 (+) and 12 (-)
CE
Optional External Source
EN 61000-6-1: 2007 Generic Standards for Residential, Commercial and Light-
Industrial Environments
EN 61000-4-2: 2009 Electro-Static Discharge (ESD)
EN 61000-4-3: 2006 +A1 +A2 +IS1 Radiated Field Immunity (RFI)
EN 61000-4-4: 2012 Electrical Fast Transients-Burst Immunity (EFT)
External Connections
ISOLATION
4,000 Volts RMS isolation for 1 minute
(may be limited by external supply)
Volts/Duration
MECHANICAL
Dimensions
10.4 x 5.8 x 2.4 cm (4.1 x 2.3 x 0.95 in)
5 mm (0.197 in)
Minimum Air Clearance
between DTE & DCE Sides:
Minimum Creepage Distance
between DTE & DCE Sides:
8 mm (0.315 in)
All product specifications are subject to change without notice.
232SPHI4_2917ds
orders@advantech-bb.com
support@advantech-bb.com
Corporate Headquarters: 707 Dayton Road, PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104
European Office: Westlink Commercial Park, Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445