Pq-6 plus (ro) – Black Box PS035A User Manual
Page 11
PQ-6 PLUS (RO)
10
Installing an RS-232 Printer
Connect the 6-pin connector from the power supply to the 6-pin connector on the back of the PQ-6 PLUS
(RO). Remove the top cover of the PQ-6 PLUS (RO). Do not plug it into the AC outlet at this time. Locate
switch SW1 to set the baud rate and port configuration. Select the serial transmission speed (baud rate) for the
PQ-6 PLUS (RO) output port using the four switches labeled Rate 4, Rate 3, Rate 2, and Rate 1 on the printed
circuit board according to Table 3-1.
Table 3-1. Baud Rate.
Switch
Baud Rate
S5
S6
S7
S8
OFF
OFF
OFF
OFF
50
0=OFF
OFF
OFF
OFF
ON
75
1=ON
OFF
OFF
ON
OFF
110
OFF
OFF
ON
ON
134.5
OFF
ON
OFF
OFF
150
OFF
ON
OFF
ON
300
OFF
ON
ON
OFF
600
OFF
ON
ON
ON
1200
ON
OFF
OFF
OFF
1800
ON
OFF
OFF
ON
2000
ON
OFF
ON
OFF
2400
ON
OFF
ON
ON
3600
ON
ON
OFF
OFF
4800
ON
ON
OFF
ON
7200
ON
ON
ON
OFF
9600
ON
ON
ON
ON
19200
Select the port configuration for RS-232 serial operation by setting Opt 3 to the “ON” position.
Place the large internal jumper strip on P3 (P2 on boards with revision levels below C) in the “B-C” position
to select RS-232 output. Make sure that the cable to the PQ-6 PLUS (RO) is wired for DCE and contains wires
for pins 1, 2, 3, 7, and 20, connecting at the PQ-6 PLUS (RO) with a male DB25 connector. The signals are
shown in Table 3-2.
Table 3-2. Signals on the DCE cable.
Pin
Signal Name
Source
1
Chassis Ground
—
2
Receive Data
Printer
3
Transmit Data
PQ-6 PLUS (RO)
7
Signal Ground
—
20
Data Terminal Ready
Printer
Place the supported printer close to the PQ-6 PLUS (RO). Connect the printer RS-232 cable to the DB25
connector on the back panel of the PQ-6 PLUS (RO). Proceed to Section 3.2.3.