Quicksilver QS-100 User Guide – Revision C
Document Number: 451-19004-001C
49 of 74
Table 3: Wi-Fi, GPS, and STS LED Functions
Wi-Fi
GPS
Status (STS)
State
Description
Description
Description
Off
Wi-Fi disabled
GPS off, no fix, or time-only fix
Iridium Data is not enabled
Blinking N/A
Dead reckoning or 2D fix
N/A
Solid
Wi-Fi enabled
3D fix
Iridium Data is enabled
7.2
DB-25
C
ONNECTOR
The main hardware data interface for the Quicksilver is a standard DB-25 connector. The pin
assignments for this connector are listed in Table 4.
The Quicksilver RS232 serial port is configured as Data Communication Equipment (DCE) with
full hardware handshaking.
Table 4: DB-25 Pin Assignments
Pin
Name
In/Out
Type
Notes
1
EXT_ON_OFF
IN
Closure to Ground
Dry contact or open drain closure to
Ground
2
GPIO1
---
n/c
Reserved
3
EXT_GND
---
Power Ground
4
EXT_PWR_IN
IN
10 – 32 VDC
5
Ethernet
MX1_P
IN/OUT IEEE 802.3, ±2.5 V Ethernet Pair 1 Positive to pin 18
6
Ethernet
MX2_P
IN/OUT IEEE 802.3, ±2.5 V Ethernet Pair 2 Positive to pin 20
7
RS232 RI
OUT
EIA-232
8
RS232 RTS
IN
EIA-232
