Black Box IC476A-F-R2 - Manual (Page 6)

5
Data Rate
Up to 115,200 bps
Connectors
IC476A-F-R2: (1) Female DB25,
(1) Terminal block; IC476A-M-R2:
(1) Male DB25, (1) Terminal block;
IC477A-F-R2: (2) Female DB25s;
IC477A-M-R2: (1) Female DB25,
(1) Male DB25; IC478A-F-R2: (1) Male
DB25, (1) Female DB25;
IC478A-M-R2: (2) Male DB25s
Transmission Format
Asynchronous
Transmission Line
2- or 4-wire unconditioned,
unshielded, solid-copper-core twisted
pair
Transmission Mode
4-wire, full or half-duplex; 2-wire half-
duplex
Range
Up to 9 miles (14.5 km) depending on
baud rate and type of cable
Control Signals
DSR turns “ON” immediately after the
terminal raises DTR; DCD turns “ON”
after recognizing the receive signal
input on the RS-422 interface; CTS
turns “ON” after the terminal raises
RTS
Carrier
Strap-selected, either continuous or
switched operation, controlled by RTS
Surge Protection
600 watts power dissipation at 1 msec.
RTS/CTS Delay
8 msec. or “no delay”
MTBF
239,906 hours
Operating Temperature
32° to 122°F (0° to 50°C)
CHAPTER 1: Specifications
1. Specifications