Power; Current Leakage; Fuses; Rs-232 Serial/Analog Connector - GE TruTrak+ 3900 User Manual

3900/3900P User's Manual

Power

Consumption (typical): 15 watts (3900); 20 watts (3900P)
Input voltage range: 90 to 264 VAC at 47-63 Hz
Current (typical): 0.45 A(rms) at 100 V, 0.37 A(rms) at 120 V,

Current leakage

With power on, forward or reverse polarity: 100 microamperes maximum
Ground resistance: less than 0.1 Ω

Fuses

T2.0AH/250V, 5 mm (OD) x 20 mm (length)

RS-232 serial/analog connector

NOTE: Pins 1 and 4 are not used for serial or analog output.

Serial output

Data output every 2 seconds (auto-output mode) or 6 seconds (trend-output mode):
SpO
stamp, custom patient label, and displayed alarm/error messages.
9600, 19.2K, 38.4K, or 57.6K baud
Full duplex
Number of bits per character: 8
Parity: none
Bits: 1 start, 1 stop
Handshaking: CTS/RTS
Connector type: 9-pin standard D, female
Connector pin functions:

Analog output

Connector pin functions:

Dimensions and weight

Height:
Width:
Depth:
Weight:
7-6
0.25 A(rms) at 220/ 230/240 V
, pulse rate, alarm limit violation messages, Relative Perfusion Index, time
2
2 = oximeter receives data
3 = oximeter transmits data
5 = signal ground
7 = RTS
8 = CTS
5 = signal ground
6 = SpO (0 to 1 Vdc ± 20 mV = 0 to 100% ± 2.0%)
2
9 = Pulse rate (0 to 1 Vdc ± 20 mV = 0 to 255 bpm ± 2.0%)
3900—9.4 cm (3.7 in.), 3900P—10.4 cm (4.1 in.)
24.4 cm (9.5 in.)
22.5 cm (8.9 in.)
3900—2.9 kg (6.5 lb.), 3900P—3.2 kg (7.0 lb.)