23
Remedies
Set the POWER CONTROL CHECK-
REMOTE switch to REMOTE. (See
page 21.)
• Set the POWER switch to ON.
(See page 20.)
• Connect the cable and briefly turn the
power off, then back on again. (See
page 22.)
Troubleshooting Guide
Symptom
The POWER indicator does not go out
even if the power of the control unit
is turned off.
The POWER indicator does not light
even if the power of the control unit
is turned on.
Specifications
SXA-120 expansion board
Input/Output
MIC CONTROL UNIT
(D-SUB 9-pin, female)
×
1
EXPANSION UNIT
(20-pin multi-connector)
×
1
RS-232C (D-SUB 9-pin, male)
×
1
Power requirements
DC 5 V
Power consumption
1.5 W
Dimensions
136
×
35
×
305.7 mm (w/h/d)
(5
3
⁄
8
×
1
7
⁄
16
×
12
1
⁄
8
inches)
Mass
0.22 kg (7.7 oz)
Accessories supplied
Operating Instructions (1)
Wire lock (low type) (1)
Screws (+PSW 3
×
8) (4)
Screws (Self tapping P 2.6
×
6 TYPE 2 without groove) (2)
SX-E120A expansion unit
Input/output
DELEGATE’S/CHAIRMAN’S
UNIT
(20-pin multi-connector)
×
4
CONTROL UNIT
(20-pin multi-connector)
×
Input
AC IN (3-pin)
×
1, for AC input
Power requirements
100 – 240 V AC, 50/60 Hz
Current consumption
0.95 A – 0.43 A
Power consumption
92 W
Dimensions
424
×
98
×
359.3 mm (w/h/d)
(16
3
⁄
4
×
3
7
⁄
8
×
14
1
⁄
4
inches)
Mass
5.6 kg (12 lb 5 oz)
Accessories supplied
AC power cord (1)
Connecting cable (1)
Design and specifications are subject to change
without notice.
Others
SX-E120A expansion unit
Causes
The POWER CONTROL CHECK-
REMOTE switch placed on the rear panel
is set to CHECK.
• The POWER switch of the SX-E120A is
set to OFF.
• The connecting cable may be
disconnected.
