
Quicksilver QS-100 User Guide – Revision C
Document Number: 451-19004-001C
50 of 74
Table 4: DB-25 Pin Assignments
Pin
Name
In/Out
Type
Notes
9
RS232 TX
IN
EIA-232
10 RS232 DCD
OUT
EIA-232
11 GPIO3
n/c
Reserved
12 GPIO5
n/c
Reserved
13 RS232 RX
OUT
EIA-232
14 SIGNAL GND
---
Signal Ground
15 GPIO2
n/c
Reserved
16 EXT_PWR_IN
IN
10 – 32 VDC
17 EXT_GND
---
Power Ground
18
Ethernet
MX1_N
IN/OUT IEEE 802.3, ±2.5 V Ethernet Pair 1 Negative to pin 5
19 RS232 DTR
IN
EIA-232
20
Ethernet
MX2_N
IN/OUT IEEE 802.3, ±2.5 V Ethernet Pair 2 Negative to pin 6
21 RS232 DSR
OUT
EIA-232
22 RS232 CTS
OUT
EIA-232
23 SIGNAL GND
---
Signal Ground
24 GPIO4
---
n/c
Reserved
25 SIGNAL GND
---
Signal Ground
7.3
D
ATA
A
DAPTER
To simplify connecting power and data devices to the Quicksilver, NAL provides a Data Adapter
to break out the DB-25 connector pins to an Ethernet RJ-45 connector, a DB-9 RS-232 compliant
serial connector, and a Molex locking power connector.