Figure 2-2: System Boards; Table 2-2: System Board Locations - PictureTel Concorde 4500 Servicing Manual

UNDERSTANDING THE ELECTRONICS MODULE
2-4
The following illustration shows the system boards as they are
viewed from the rear panel of the electronics unit.
KEYPAD MAIN CAMERA
CONTROLES CAMERA PRINC
PAVE DE CONTR CAMERA PRINC
NUMERISCHER HAUPTKAMERA
TASTENBLOCK
8
PORT
EXP AUDIO
AUX VIDEO
AUDIO AMP
VIDEO AUX
AUDIO AMP
A
VIDEO AUX
ERW. AUDIO
ZUS. VIDEO
7
8
MIC A AUX GRAPHICS
MICRO A GRAFICOS AUX
B
MICRO A GRAPHIQUES AUX
A
MIKRO A ZUS. GRAFIK
8
MIC B DOC CAMERA
MICRO B CAMERA DOCS
MICRO B CAMERA DOC
B MIKRO B DOK.-KAMERA
LINE IN
ENTRADA
ENTREE
LIETUNG EIN
VCR IN VCR IN
ENTRADA VIDEO ENTRADA VIDEO
PORT
MAGNETO ENTREE MAGNETO ENTREE
VIDEO EIN VIDEO EIN
VCR OUT VCR OUT
SALIDA VIDEO SALIDA VIDEO
MAGNETO SORTIE MAGNETO SORTIE
VIDEO AUS VIDEO AUS
LINE OUT MAIN MONITOR
SALIDA MONITOR PRINC
SORTIE MONITEUR PRINC A
LIETUNG AUS HAUPTBILDSCHIRM
PHONE WALL AUV MONITOR
TELEFONO PARED MONITOR AUX
B
PRISE TELEPHONE MONITEUR AUX
TEL.-WAND ZUS. BILDSCHIRM
PHONE SET
TELEFONO
TELEPHONE
TEL.-APPARAT
Slot 8 6
Board AUDIO VIDEO DATA INTERFACE

Figure 2-2: System Boards

The following table describes the system board locations.

Table 2-2: System Board Locations

Board
HAP-4 (optional)
HAP-8 or HAP-6
V.35 (RS-449) V.35 (RS-449)
RS-449/RS-232
PORT 1 PORT 1
CHAN CHAN
C
CTRL CTRL
A A
PORT
DIAL DIAL
A
PORT 2 PORT 2
CHAN CHAN
D
CTRL CTRL
PORT
B B
DIAL DIAL
B
5 4 3
COMMUNICATIONS ARRAY PROCESSOR
Location
Slot 1
Slot 2
P5
REMOTE
ON/OFF
POWER
100-120/200-240VAC
S 50-60HZ
O W
U
I
T I
T
P
C N
U P
H
T E U
T
D
5A RMS MAX
2 1
Array Processor boards
Communications board
Data Interface board
Video board
Audio board