6
RS-232
↔
485/422 CONVERTERS
1. Specifications
Optical Isolation:
IC109A, IC109AE, IC109C only
Interface:
(1) asynchronous RS-232 port (DTE/DCE selectable); (1) asynchronous
RS-485 port with improved surge protection and switch-selectable line termination
or line bias
Connectors:
(1) DB25 female RS-232 port; (1) four-wire terminal block (TB1)
RS-485 port
Pins Supported:
RS-232 port: TD, RD, RTS, CTS, CD, DTR, DSR, SG, and FG;
RS-485 port: TXA, TXB, RXA, RXB
Data Rate:
Up to 115 kbps, transparent to data
Indicators:
(5) LEDs: TX, RX, RTS, CD, and PWR
Temperature Tolerance:
Operating:
32 to 122°F (0 to 50°C);
Storage:
-4 to +158°F
(-20 to +70°C)
Humidity:
0 to 95% relative humidity, noncondensing
MTBF:
Approximately 180,000 hours (ground benign environment)
Power:
PS154 (for use with IC108A, IC109A):
Input:
120 V, 60 Hz, 20W;
Output:
AC
17VCT, 0.7A; PS154E (for use with IC108AE, IC109AE):
Input:
230 V, 50 Hz, 20W;
Output:
AC 17VCT, 750 mA
Size:
Standalone Unit: 1.8"H x 5.5"W x 8.5"D (4.6 x 14 x 21.6 cm);
Rackmount Card: 7.4"L x 4.7"W (18.8 x 11.9 cm); 0.6 inches thick (1.6 cm)
Weight:
Standalone Unit: 1 lb. (0.5 kg); Power supply only:
PS154:
0.4 lb. (0.2 kg),
PS154E:
1.1 lb. (0.5 kg)
Operation:
Point to Point or Multipoint; Half or Full Duplex; Transparent to data;
Selectable RTS-to-CTS delay with option to inhibit CTS if CD is present (DCE);
DTE or DCE configurable RS-232 port; Normal or loopback operation
Timeout Delay:
0.15, 0.7, 2, 7, or 70 msec (for the RS-485 driver enabled by data
feature)
