Black Box RS-232 - Manual (Page 2)

Cable Required:
Unconditioned twisted pair
between Converters:
IC520A and IC521A models:
2 wires (1 pair);
IC476A, IC477A, IC478A,
IC620A, IC623A, and IC624A
models: 2 or 4 wires (1 or
2 pairs);
IC470A through IC473A,
IC630A, and IC631A models:
4 wires (2 pairs)
Compliance: CE; FCC Part 15
Subpart J Class A, IC Class/
classe A
Interfaces:
To devices: EIA/TIA RS-232C:
IC470A, IC471A, IC472A,
IC476A, IC477A, and IC478A
models: Original pinning on
DB25, DTE or DCE (user-
selectable);
IC520A and IC521A: Original
pinning on DB25, DCE;
IC473A, IC620A, IC623A,
IC624A, IC630A, and IC631A
models: Pinned according
to TIA-574 on DB9, DCE;
To line:
IC470A, IC473A, IC630A, and
IC631A models:
EIA/TIA RS-422;
IC471A and IC472A models:
EIA/TIA RS-422 or transmit-
and receive-data signals
of EIA/TIA RS-530;
IC476A, IC477A, IC478A, IC620A,
IC623A, and IC624A models:
2- or 4-wire EIA/TIA RS-485;
IC520A and IC521A models:
2-wire EIA/TIA RS-485
Protocol: Asynchronous
Data Format: Transparent to data
format
Software Flow Control: Transparent
to software flow control (X-ON/
X-OFF, etc.)
Hardware Flow-Control Signaling:
IC470A through IC473A, IC520A,
IC521A, IC630A, and IC631A
models: Loop back RS-232
hardware flow-control signals
(RTS, CTS, DTR, DSR, and CD);
IC476A, IC477A, IC478A, IC620A,
IC623A, and IC624A models:
Raise DSR in response to DTR;
raise CD in response to
carrier; raise CTS in response
to RTS (after no delay or 8-ms
delay, user-selectable); carrier
is either constantly ON or
controlled by RTS, user-
selectable
Operation:
IC520A and IC521A models: Half-
duplex only;
IC476A, IC477A, IC478A, IC620A,
IC623A, and IC624A models:
Transparent to 2-wire half-
duplex or 4-wire full- or half-
duplex;
IC470A through IC473A, IC630A,
and IC631A models:
Transparent to full- or half-
duplex
Data Rate:
IC470A through IC473A, IC630A,
and IC631A models:
Transparent to data rates up
to 19,200 bps;
All other models: Transparent to
data rates up to 115,200 bps
Maximum Distance:
Between RS-232 device and
Converter: 50 ft. (15.2 m), but
Converters not directly
attached will be underpowered;
Between non-RS-232 device and
Converter:
IC470A through IC473A, IC520A,
IC521A, IC630A, and IC631A
models: 4000 ft. (1219 m);
IC476A, IC477A, IC478A,
IC620A, IC623A, and IC624A
models: Up to 9 miles
(14.5 km) depending on data
rate and cable type
User Controls:
IC470A, IC471A, and IC472A
models: (1) DTE/DCE slide
switch;
IC476A, IC477A, and IC478A
models: (1) DTE/DCE slide
switch and (1) internal
8-position DIP switch for
configuration;
IC620A, IC623A, and IC624A
models: (2) Internal 4-position
DIP switches for configuration;
All other models: None
Indicators: None
Connectors: See Ordering
Information on the next page
Power:
From RS-232 data and control
signals (no AC power or
batteries required);
IC473A and IC620A through
IC631A models only:
If necessary, 6 to 12 VDC can
be applied to Pin 9 of the DB9
RS-232 connector (call Black
Box Tech Support for details)
Surge Protection:
IC476A, IC477A, IC478A, IC520A,
IC521A, IC620A, IC623A, and
IC624A models: Internal
Silicon Avalanche Diodes
dissipate surges up to
600 watts per wire within
one millisecond;
All other models: None
Mean Time Between Failures
(MTBF):
IC470A through IC478A, IC520A,
IC521A, IC630A, and IC631A
models: Approx. 240,000 hours;
IC620A, IC623A, and IC624A
models: Over 209,000 hours
Maximum Altitude:
10,000 ft. (3048 m)
Temperature Tolerance:
32 to 122˚F (0 to 50˚C)
Humidity Tolerance:
5 to 95% noncondensing
Enclosure: ABS plastic
Size:
IC470A, IC471A, and IC472A
models: 2.2"H x 1.8"W x 0.8"D
(5.6 x 4.5 x 1.9 cm);
IC473A, IC620A, IC623A, IC624A,
IC630A, and IC631A models:
2.5"H x 1.2"W x 0.8"D
(6.4 x 3 x 1.9 cm);
IC476A, IC477A, IC478A, IC520A,
and IC521A models:
2.7"H x 2.1"W x 0.8"D
(6.9 x 5.3 x 1.9 cm);
Weight:
IC473A and IC620A through
IC631A models: 3 oz. (85 g);
All other models: 2 oz. (57 g)
XMT A
XMT B
RCV B
RCV A
XMT A XMT A
RCV B RCV B RCV B RCV B RCV A RCV A RCV A RCV A
XMT A XMT A XMT B XMT B XMT B XMT B
MASTER SLAVE 1 SLAVE 2 SLAVE 3 SLAVE N
PC with attached
Converter
RS-422
industrial
printer
4000 ft. (1219 m) or more
Specifications
Install a Converter for straight-up
one-to-one long-distance
communication...
...or install one to
talk to a lot of
devices spread
out across a
factory floor.
RS-485 chain
EACH
ADDITIONAL
SLAVE