Black Box ME1791A-F, User Manual

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ME1791A-F, ME1794A-F
Technical Specifications 3
Table 3. Line Connector Pinout (RJ-45)
Pin Function
1 Not connected
2 Ground
3 RCV-
4 XMT-
5 XMT+
6 RCV+
7 Not connected
8 Not connected
3. Technical Specifications
Line Interface Line Type 4-wire unconditioned dedicated line
(two twisted pairs)
Transmission Mode Asynchronous, full duplex
Transmission Level -6 dBm
Range
See Table 1
Connector
•
ME1791A-F: 4-screw terminal block
•
ME1794A-F: RJ-45
DCE Interface Type RS-232/V.24
Data Rate
Up to 19.2 kbps
Control Signals DSR (Circuit 107) and DCD (Circuit 109) turn
on immediately after the terminal raises DTR
(Circuit 108.2);
CTS (Circuit 106) turns on immediately after
the DTE raises RTS (Circuit 105)
Connector D-type, 9-pin, female
Power
No external power supply is required; the
modems use ultra low power from the
RS-232/V.24 data and control signals
Physical
Height 19.8 mm / 0.8 in
Width 31 mm / 1.2 in
Depth 61 mm / 2.4 in
Weight 26g / 0.9 oz
Environment Temperature
0–50
°
C (32–122
°
F)
Humidity Up to 90%, non-condensing