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RTS/CTS Flow Control (Models 3054AR and 3056AR Only)
In addition to software flow control capability, Models 3054AR and
3056AR offer end-to-end RTS/CTS flow control capability. When using
RTS/CTS flow control, the RTS and CTS signals are multiplexed into
the composite data stream. The multiplexed RTS/CTS signals are then
demultiplexed and passed to the appropriate sub-channel device at
opposite end.
4.3 MAIN CHANNEL CONNECTIONS
The main channel port on the back of the Model 305X Series is a
female RJ-45 modular jack. The primary connection between the two
muxes
must
be dry, unconditioned twisted pair, 19 - 26 AWG (See
Appendix B for optimal cable characteristics). The wiring between the
wall plates must be
crossed over
, with pairing as shown below:
Model 305X Series Model 305X Series
RJ-45 Pin No. RJ-45 Pin No.
4 (XMT) 4 (XMT)
5 (XMT) 5 (XMT)
6 (RCV) 6 (RCV)
3 (RCV) 3 (RCV)
4.4 AC POWER CONNECTION
Power is supplied to the Model 305X Series by a 9-12 VAC, 200mA
wall mount transformer. This transformer connects to the Model 305X
Series by means of a cannon jack on the rear panel. The Model 305X
is powered-up as soon as it is plugged into an AC outlet–there is no
power switch.
4.4.1 120 VAC Power (US)
The 120 VAC adapter supplied with the standard version of the
Model 305X is a “wall mount” type, and may be plugged into any
approved 115 VAC wall plug.
4.4.2 230 VAC Power (IEC)
The 230 VAC adapter supplied with the “international” version of the
Model 305X is equipped with an IEC-320 shrouded male connector.
This connects with one of several available country-specific power
cords (see the ordering information in Appendix C). You may
purchase these power cords from Patton Electronics, or from a local
vendor of your choice.
5.0 OPERATION
Once the Model 305X Series is properly installed, it should operate
transparently. This section describes the LED status indicators, and the
built-in loopback test modes.
5.1 LED STATUS INDICATORS
The Model 305X Series feature front panel LEDs that monitor
power, the DTE or DCE signals, link status and test modes. Figure 7
(below) shows the front panel location of each LED. Following Figure 7
is a description of each LEDs function.
TD and RD glow red to indicate idle condition of binary “1”
data on respective channel. Green indicates
binary “0” data.
RTS glows green to indicate that the RS-232 Request-
To-Send signal from the terminal is active (RS-232
Versions: Models 3054AR and 3056AR only)
CTS glows green to indicate that the RS-232 Clear-
To-Send signal from the Model 305X is active
(RS-232 Versions: Models 3054A and 3056AR
only)
Link glows green to indicate connection to the remote
multiplexer.
Local glows green when the local multiplexer enters
Loop the Local Loop test mode
Remote glows green when the local multiplexer enters
Loop the Remote Loop test mode
9 10
Figure 7. Model 3054/56/58 front panel switch and LEDs
TESTS
1
TD -
Sync./
Link
- Remote Loop
- Normal
- Local Loop
RD -
2345678
Model 3058 8-Channel Limited Distance Multiplexer
{
{
Pair 2
Pair 1