Black Box IC237A Manuel utilisateur
JUNE 1995
IC237A IC486A
IC482A IC487A-F
Non-Powered Interface Converters
RS-232 to RS-530
RS-422 to V.35
RS-232 to RS-485
RS-232 to RS-422/RS-449
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
NON-POWERED INTERFACE CONVERTERS
Contents
Chapter Page
1. Specifications..........................................................1
1.1 IC237A.............................................................1
1.2 IC482A.............................................................2
1.3 IC486A.............................................................4
1.4 IC487A-F..........................................................6
2. Introduction ...........................................................8
2.1 IC237A.............................................................9
2.2 IC482A...........................................................10
2.3 IC486A...........................................................11
2.4 IC487A-F........................................................13
3. Installation............................................................14
3.1 IC237A...........................................................14
3.2 IC482A...........................................................18
3.3 IC486A...........................................................19
3.4 IC487A-F........................................................24
1
NON-POWERED INTERFACE CONVERTERS
1.1 IC237A
Interface A — RS-232/V.24/V.28, DTE/DCE
selectable
Connectors — DB25 male
Distance — Direct connection to
RS-232/V.24 device
Interface B — RS-530 (RS-422), DTE/DCE
selectable
Connectors — DB25 female
Distance — Direct connection
to RS-530 device
Transmission
Format — Synchronous/asynchronous,
transparent to protocol
Data Rates — Up to 200 Kbps
Cable — 6.5 ft. (2 m)
Input Voltage — Standard RS-232/V.24 driver
±12 volts
1. Specifications
2
NON-POWERED INTERFACE CONVERTERS
Operating
Temperature — 32° to 122°F (0° to 50°C)
Humidity — Up to 90%, noncondensing
Power — No AC power required
Size — 0.9"H x 2.1"W x 4.3"D
(2.3 x 5.3 x 10.9 cm)
Weight — 14 oz. (397 g), including cable
and connector
1.2 IC482A
Interface A — V.35, DTE only
Connectors — V.35 (M-block) male
Distance — Direct connection to V.35
device
Interface B — RS-449/V.36/V.11 (RS-422),
DCE only
Connectors — DB37 female
Distance — Direct connection to
RS-449/V.36 device
3
NON-POWERED INTERFACE CONVERTERS
Transmission
Format — Synchronous, transparent
to protocol
Data Rates — Up to 2.048 Mbps
Cable — 6.5 ft. (2 m)
Input Voltage — Standard RS-422 and V.35
drivers
Operating
Temperature — 32° to 122°F (0° to 50°C)
Humidity — Up to 90%, noncondensing
Power — No AC power required
Size — 0.9"H x 2.1"W x 4.3"D
(2.3 x 5.3 x 10.9 cm)
Weight — 14 oz. (397 g), including
cable and connector
4
NON-POWERED INTERFACE CONVERTERS
1.3 IC486A
Interface A — RS-232, DCE
Connectors — DB25F
Distance — Direct connection
to RS-232 device
Interface B — RS-422/485
Connectors — (5) screw terminals
Distance — Up to 3.75 miles (6 km)
Transmission
Format — Asynchronous only
(data transparent)
Transmission
Mode — Full duplex on 4-wire, half-
duplex on 2- or 4-wire
Control
Signals — Request to Send (pin 4):
Controls transmit carrier, only
if Carrier switch is in the
CNTRL switch position); Clear
to Send (pin 5): Set by CTS
switches to be either open,
high or delayed, after RTS;
Data Set Ready (pin 6) and
5
NON-POWERED INTERFACE CONVERTERS
Data Carrier Detect (pin 8):
Both are set by the DCD+DSR
switch to be either high or
open; Data Terminal Ready
(pin 20): Should be connected
for power considerations only,
to constantly on (high).
Carrier
Control — The Carrier is strap-selectable
to be either continuously on
or switched by RTS.
Data Rates — Up to 38.4 Kbps
Input Voltage — Derived from data and control
or external 6- to 12-VDC 50 mA
Operating
Temperature — 32° to 122°F (0° to 50°C)
Humidity — Up to 90%, noncondensing
Power — Derived from data and control
signals. If signal power is
insufficient, a 6- to 12-VDC
50-mA external power supply
is required. (Call your supplier
for more information.)
6
NON-POWERED INTERFACE CONVERTERS
Size — 0.9"H x 2.1"W x 4.3"D
(2.3 x 5.3 x 10.9 cm)
Weight — 3 oz. (85 g)
1.4 IC487A-F
Interface A — RS-232/V.24/V.28, DTE/DCE
selectable
Connectors — DB25 male
Distance — Direct connection to
RS-232/V.24 device
Interface B — RS-449/V.36 (RS-422),
DTE/DCE selectable
Connectors — DB37 female
Distance — Direct connection to
RS-449/V.36 device
Transmission
Format — Synchronous, transparent to
protocol
Data Rates — Up to 200 Kbps
7
NON-POWERED INTERFACE CONVERTERS
Cable — 6.5 ft. (2 m)
Input Voltage — Standard RS-232/V.24 driver
±12 volts
Operating
Temperature — 32° to 122°F (0° to 50°C)
Humidity — Up to 90%, noncondensing
Power — No AC power required
Size — 0.9"H x 2.1"W x 4.3"D
(2.3 x 5.3 x 10.9 cm)
Weight — 14 oz. (397 g), including cable
and connector
8
NON-POWERED INTERFACE CONVERTERS
The Non-Powered Interface Converters enable
connection between DTE and DCE data- communi-
cations equipment with different interfaces. The
Converters perform both the physical and electrical
conversion between the two interfaces. The circuitry is
designed to provide short-range interface conversion.
NOTE
The devices that are to be connected must be within 6 feet
(2 m) of each other. If greater distances are required, then
an active powered converter must be used.
The Converters operate without AC power, using
ultra-low power from the DTE and DCE equipment’s
data and control signals. Sections 2.1 through 2.4
provide descriptions and typical applications for
each Converter.
2. Introduction
Ce manuel convient aux modèles suivants
3
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