Sandia Aerospace SAE 5-35 Installation Manual - Manual (Page 5)

1.2.3 Gillham Grey Code Outputs
a. 10 Bits available: D4, A4, A2, A1, B4, B2, B1, C4, C2, C1
b. Bit On Impedance: Less than 5 ohms
c. Bit Off Leakage: Less than 10uA
d. Maximum Current per bit: 20 mA
e. Minimum working current: 10 uA
f. Maximum voltage per bit: 50V
g. Minimum working voltage: 5V
h. Bit update rate: Less than 250 mS
i. Minimum strobe switching bandwidth: Greater than 10kHz
1.2.4 AIM Outputs
Maximum Lamp Current: 80 mA
Maximum off Voltage: 50V
1.2.5 Discrete Inputs
AIM SET, Strobe and RS232 Mode Select Inputs
Asserted: < 0.4 Vdc
Not Asserted: > 1.7 Vdc
Pull-up current: 150 uA
1.2.6 RS-232 Outputs
There are two modes of operation for the RS232 outputs. The Data Mode pin, J5 pin 4 selects the
data formats.
1.2.6.1 Standard Mode
When the Mode pin (J5 pin 4) is open:
a. Baud: 9600
b. Data bits: 8
c. Stop bit: 1
d. Parity: None
e. Output rate: 1 +/- .2 seconds
f.
Message length: 11 bytes
g. Altitude resolution: 10 foot
h. Works with Garmin and Trimble GPS
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