CTC Union FMUX-01, Руководство пользователя

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Chapter 2. Port Card Overview
2-2
FMUX-01Mar 2003
Ext Clk
1. Rx - (RRing)
2. Rx + (RTip)
Figure 2-1. External Clock Connector
2.6 4 x Data I/F Module Overview
The 4 x Data 4-Channel Port Cards for the
MULTIPLEXER UNIT
are modular
PCAs which slide into the
MULTIPLEXER UNIT
chassis and provide four completely
independent Data (V.35, X.21, RS-530, RS-449, or RS-232) interfaces. The Data module is
available in one of ten interface and cable options.
1. 4 x V.35 with MB34 Female connectors
2. 4 x V.35 with MB34 Male connectors
3. 4 x X.21 with DB15 Female connectors
4. 4 x X.21 with DB15 Male connectors
5. 4 x RS-530 with DB25 Female connectors
6. 4 x RS-530 with DB25 Male connectors
7. 4 x RS-449 with DB37 Female connectors
8. 4 x RS-449 with DB37 Male connectors
9. 4 x RS-232 with DB25 Female connectors
10. 4 x RS-232 with DB25 Male connectors
When the
MULTIPLEXER UNIT
is ordered with an X21 Port Card option, a 4-
CHANNEL X.21 Card and adapter cable are supplied with each DB15 wired according to
the following table.
Signal
Function
DB15
PIN#
Abbreviation Direction Description
Shield 1 FG
↔
Chassis ground.
May be isolated from signal ground.
Ground 8 SG
↔
Common signal ground.
Transmit(A)
Transmit(B) 2
9 TD(A)
TD(B) To MUX
UNIT
Serial digital data from DTE.
Receive(A)
Receive(B) 4
11
RD(A)
RD(B) Fm. MUX
UNIT
Serial digital data at the output of the
MULTIPLEXER UNIT receiver.
Control(A)
Control(B) 3
10
RTS(A)
RTS(B) To MUX
UNIT
A ON signal to the MULTIPLEXER UNIT when
data transmission is desired.
Indication(A)
Indication(B) 5
12
DCD(A)
DCD(B) Fm. MUX
UNIT
Constantly ON, except when a loss of the
received carrier signal is detected.
Ext. Timing(A)
Ext. Timing(B) 7
14
ETC(A)
ETC(B) To MUX
UNIT
A transmitted data rate clock input from the data
source.
Signal Timing(A)
Signal Timing(B) 6
13
RC(A)
RC(B) Fm. MUX
UNIT
A received data rate clock for use by an external
data source.
Table 2-1 : DB15 adapter cable pin out for X.21