Motorola MSF 5000 Instruction Manual page 116

Chapter1
Description
MSF
5000
Instruction Manual
Junction Box
1-74
Options
0
jl
options
I/O
connector
- 25-pin
D-type
connector used to connect an
optional board such
as
an RS-232 interface or other wildcard
I/O
System
©
J2system
connector
-
25-pin D-type connector used to connect the system
connector from the station
Trunking
0
J3 trunking
central
I/O
connector
-
25-pin D-type connector used to connect
the trunking controller connector on trunked stations
Wireline
TB1601
wireline
interface connections
O
used to connect the audio and control wireline (internal circuitry
provides line transient protection)
O
instandard 2-wire simplex configuration, Line
2 is used for both
transmit and receive audio connections
(Line 1
not used)
O
for 4-wire simplex configuration, Line
1
is the transmit connection
and Line
2
is the receive connection. Both lines are not active at the
same time.
The receiver is muted
if
the transmitter is active.
O
in
repeater stations
with
an optional 4-wire tone remote control
module (4-wire duplex),
Line
1
is used for transmit audio and
Line
2
for receive audio. Both lines can
be
active at
the same time.
O
in trunked
repeater stations,
Line
1
and
Line
2 are
used for console
connections.
Line
3
and
Line
4 are used for telephone interconnect
connections (found on the
trunking connector).
O
all audio wireline(s) must
meet certain specifications for acceptable
communications. Refer to Chapter
3
-
Installation for specifications.
O
Lines
3
and 4
are
not transient protected. The trunking interconnect
provides
the protection.
68P81092E02
3/19/94
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