6
LD485S-MP
1. Specifications
Terminal Interface —
EIA RS-232-C (CCITT V.24/V.28) configured as DCE
serial synchronous internal/external/recovered TX data
clock
Line Interface —
EIA RS-485 twisted pair (26 AWG minimum), DC
continuity required
Data Rates —
1200, 2400, 4800, 9600, 19,200, 38,400, 56,000, 64,000,
112,000, or 128,000 bps
Operating Modes —
2-wire half duplex, 4-wire full or half duplex; point-to-
point or multipoint; normal or line/digital loopback;
Constant Carrier or Switched Mode
Pins Supported —
RS-232-C: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 17, 20, 24; RS-485:
TX A, TX B, RX A, RX B
RTS/CTS Delay —
0, 11, 50, or 160 ms
Connectors —
(1) DB25 female, (1) 4-screw terminal block
Indicators —
5 LEDs: TX, RX, RTS, CD, PWR
MTBF —
100,000 hours (approximately)
Operating
Temperature —
32 to 122°F (0 to 50°C)
Storage
Temperature —
-4 to +158°F (-20 to +70°C)
Humidity —
15 to 90% relative humidity, non-condensing
Power —
Wallmount transformer, 115 VAC/100 mA or
230 VAC/50 mA
Size —
Standalone: 1.8"H x 5.5"W x 8.5"D (4.5 x 13.9 x 21.5 cm);
Rackmount: 4.7"W x 7.4"D (11.9 x 18.8 cm)
Weight —
Standalone, unit only: 1 lb. (0.45 kg); Standalone,
including transformer: 1.5 lb. (0.68 kg); Rackmount:
0.5 lb. (0.23 kg)
