Figure 3-1: Electronics Module And Network Boards - PictureTel Concorde 4500 Servicing Manual

The following illustration shows the back of the electronics module
and the network interface boards.
KEYPAD MAIN CAMERA
CONTROLES CAMERA PRINC
PAVE DE CONTR CAMERA PRINC
NUMERISCHER HAUPTKAMERA
TASTENBLOCK
8
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
MIKRO B DOK.-KAMERA
B
LINE IN
ENTRADA
ENTREE
LIETUNG EIN
VCR IN VCR IN
ENTRADA VIDEO ENTRADA VIDEO
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
8 6
X.21
CTRL
A
PORT
1
CTRL
B
PORT
2
X.21

Figure 3-1: Electronics Module and Network Boards

Concorde¥4500 Network Interfaces
RS-449/RS-232
PORT
C
PORT
A
PORT
D
PORT
B
5 4 3 2 1
4 WIRE
SW-56
PSDN
DTR
DCD
CTRL
RTS
A
CTS DIAL DIAL
TXD
RXD
P
O NS
R
T
1
PRIVATE
NETWORK
RS-449
CTRL
B
DIAL DIAL
PORT 2
PSDN
DTR
DCD
RTS
CTS
TXD
RXD
NS
Switched-56 V.35/RS-449
P5
REMOTE
ON/OFF
POWER
100-120/200-240VAC
S 50-60HZ
O
W
U I
T I
T
P N
C
U H P
T U
E
T
D
5A RMS MAX
V.35 (RS-449) V.35 (RS-449)
PORT 1 PORT 1
CHAN CHAN
CTRL CTRL
A A
PORT 2 PORT 2
CHAN CHAN
CTRL CTRL
B B
3-3