Clear-Com HX System Frames - Manual (Page 127)

Problem: Audio sounds low or distorted from a panel.
Action 1: Check the matrix’s currently active CPU card’s power lights. If any of the
lights are not lit, replace the card.
Action 2: Check the analog port input and output gain settings for the port in EHX.
Action 3: Check the panel’s listen-level adjustment settings in EHX.
11.4 System block diagram
Figure 47: System block diagram
INTERFACE MODULE BACKPLANE MAIN BACKPLANE
IN
T
E
R
F
A
C
E
R
E
A
R
C
A
R
D
IN
T
E
R
F
A
C
E
R
E
A
R
C
A
R
D
IN
T
E
R
F
A
C
E
C
A
R
D
IN
T
E
R
F
A
C
E
C
A
R
D
INTERFACE TO
GPI/RLY &
2/4 WIRE
INTERFACES
T
E
R
M
IN
A
T
O
R
C
A
R
D
CONFIG
REAR
CARD
CONFIG
CARD
LAN1, LAN2
GPI, GPO, GPI/RLY,
RS232 SERIAL &
ALARM
INTERFACES
CONFIG
CARD
MVX-
A16
REAR
CARD
(OPTI
ONAL)
MVX-
A16
CARD
(OPTIO
NAL)
E-QUE
REAR
CARD
(OPTIO
NAL)
E-QUE/
IVC-32/
LMC-64
CARD
(OPTIO
NAL)
E-
MADI64
REAR
CARD
(OPTIO
NAL)
E-MADI
CARD
(OPTIO
NAL)
E-FIB
REAR
CARD
(OPTI
ONAL)
E-FIB
CARD
(OPTIO
NAL)
FAN/
ALARM
CARD
T
E
R
M
IN
A
T
O
R
C
A
R
D
POWER
CARD
CARD
2
EXTERNAL
PSUS
127 Eclipse HX-Delta User Guide