MERLIN LEGEND Communications System Release 7.0
System Programming
555-670-111
Issue 1
April 1999
Programming with SPM
2-15
Connecting the PC
2
Figure 2-2.
Direct Local Connection, PC More Than 50 Feet Away
Local Modem Connection
2
For a local modem connection, you must use a modem (either connected to, or
built into, the PC) to access the internal modem in the control unit. Connect the
modem to a T/R jack on an 012 (T/R) or 016 (T/R) module, or to a jack that has
been programmed for T/R on a 412 LS-ID-ETR or 016 ETR module in the control
unit, as shown in
.
The internal modem operates at speeds of 1,200 and 2,400 bps.
CAUTION
POWER
ON
OFF
AG INPUT
FR
GND
Turn o
ff
power
before
inser
ting o
r
remov
ing
modu
les
4
0
8
G
S
/L
S
4
4
G
S
o
r
L
S
O
u
ts
id
e
L
in
e
s
/
8
A
n
a
lo
g
T
e
le
p
h
o
n
e
s
(
A
T
L
)
4
0
8
0
08
M
L
X
8
M
L
X
(D
ig
ital) T
e
le
ph
o
ne
s
0
1
2
PROCESSOR
AC Outlet
D8W
D8W
D6AP
Z3A2 ADU
EIA-232-D
DIW
102 or 103
Connecting Block
2012D-50M
Transformer
EIA-232-D
BR1A-4P Adapter
or
102 Connecting Block
or
103 Connecting Block
ADU Crossover Cable
Control Unit
Processor Module
EIA
Crossover
Cable
Z3A2 ADU
SMDR
Jack
ADMIN
Jack
355AF
Adapter
8DW
or
Direct Connection
Wall
Jack
Wall
Jack
4 Pair Plug
Ended Cable
Building
Wiring
or
Cable Joints
D8W
400B2
Power
Adapter
