PictureTel Concorde 4500 Servicing Manual page 218

SPID, definition of G-3
standard components 1-2
stop bits D-1
switched network, definition of 3-4
switched-56 network interface 3-5
switched-56 network standards 3-2
switchhook audio call F-4
synchronous communication, definition of
D-2
system block diagram 1-4
system boards
Array processor 2-5, 2-8
Audio 2-14, 2-16
Communications 2-9
Data Interface 2-18, 2-20
illustration 2-4
location 2-4
Video 2-11, 2-12
system failure, fault log 4-5
system warning messages 4-21
T
T1 3-6
technical support G-1
technical tips 4-26
telephone add-on board 2-16
terminal adapter, problems with 4-30
timeout values, definition of 3-10
tools, required 4-2
transmission delay, end-to-end D-4
troubleshooting procedures 4-6
Index-6
V
V.25 network interface 3-8
V.35 network interface 3-6
VCR
connecting one E-1
connecting stereo E-5
connecting two E-3
VCR failure, corrective actions 4-18
verifying
electrical current 4-24
power-on 4-4
Video board
cabling C-10
connectors C-10
functions of connectors C-8
video transmission 3-26
voltage test meter 2-2
voltage test points 2-2, 2-3
W
warning messages 4-21
wired keypad B-4
wireless keypad, DIP switch settings 4-20
word length, definition of D-1
word, definition of D-1
WorldCart 1-6, F-3
X
X.21 network interface 3-4