Comnet FDX55S2E, FDX55S2, FDX55S1BE, FDX55S1AE, FDX55M28 User Manual
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FDX55 SERIES
INSTALLATION INSTRUCTIONS
RS-232/422 DROP AND REPEAT
DATA TRANSCEIVER
ADDENDUM
The Comnet FDX55 Series has recently undergone some enhancements.
The three enhancements are summarized here. Please verify which version
of the FDX55 y
changes.These changes are reflected in this Installation and Operation
manual and will allow you to correctly configure the device for proper operation.
1) The silk screened printing on the front of each FDX55 Series device had
pr
eviously shown a “JABBER RESET” button. The silk screened printing was changed
and now reads “ANTI-STREAMING RESET” for this button.
2) Linking port J3 originally used an RJ-45 receptacle.
This now has been changed t
ou have by examining the front and rear panels for the following
o an RJ-11 receptacle.
3) The FDX55 was originally designed as a DCE device with a switch labeled “NA/DCE”
to allow for p
allow for the selection of DCE or DTE via the front panel switch labeled DTE/DCE.
The setting of this switch is detailed later in this manual.
ossible future use as a true “DCE/DTE” switch. The device has now changed to
FIG. 1
Installation and Operation Instructions
™
for the following ComNet
Model Numbers:
FDX55M1, FDX55M1AE,FDX55M1BE, FDX55M2, FDX55M2E,
FDX55S1, FDX55S1AE,FDX55S1BE, FDX55S2, FDX55S2E
RS-232/422 DROP AND REPEAT
FIG. 2
DATA TRANSCEIVER
FIG. 3
4-FIBER
LEDS: RED = “No Activity”
GRN = “Activity”
NOTE: RED DOES NOT MEAN “Error”
ANTI-STREAMING
SWITCH: Anti-Streaming Timer (See Pg. 11, Fig.18)
J1 C
ONNECTOR: Input/Output Connector (See Pg. 8, Fig. 10)
J3 CONNECTOR/ Connects two FDX55 together elec
A/B SWITCH: one must be set for “A” and one for “B”.
actory Default:“A” (See Pg. 8, Fig. 11)
F
TA SWITCH: Selects connections between optical and electrical ports.
DA
(See Pg. 10, Fig. 16 and Fig.17)
BLACK WITH WHITE STRIPE
DATA
CONNECTOR
LINKING
PORT
trically.
FIG. 4
2-FIBER
BLACK
X
X
NOTE: Remove Electrical
Connector for
Rack Mount Units
INS_FDX55_REVB
01/22/09
Page 1
FDX55 SERIES
INSTALLATION INSTRUCTIONS
RS-232/422 DROP AND REPEAT
DATA TRANSCEIVER
1) ANTI-STREAMING SELECT SWIT
The anti-streaming function is provided to protect the communications channel in the
vent that a controller should go into a streaming or data-storming condition.
e
If the anti-streaming is to be used, it must be set to a setting that will exceed the longest
ossible data transmission time that will exist on that channel.It should be noted that in
p
most installa
tions, the anti-streaming will not be utilized and the switch should be left in the
factory default “Off” position. See Pg. 11, Fig.18.
2) DTE/DCE SELECT SWIT
CH
The purpose of this switch is to transpose the RS-232 data transmit and data receive signals.
Normally,this switch will be left in the factory default “DCE” position.
See Pg. 9, Fig.12 through Fig. 15.
3) LINKING PORT, J3
J3 is an RJ-11 connect
or utilized for electrically connecting two co-located FDX55 units.
For example,at some point on an east-to-west communications channel, it may be desired to
extend the channel in the north-to-south direction. A second FDX55 may be added in the same
cabinet as another existing FDX55, and the second unit would be utilized for extending the
channel in the north-to-south direction. A conventional straight-through interconnect cable
terminated at each end with RJ-11 connectors is required when connecting the two FDX55
units. It is desirable to keep the length of this cable as short as possible, so as to minimize
any possibility of stray electrical pick-up corrupting the quality of the data, which could
result in data errors. See Pg. 8,
CH
Fig.11 and Pg. 10, Fig.17.
4) A/B SELECT SWITCH
The purpose of this switch is to transpose the data transmit and data receive signals when
connecting two co-located FDX55 units utilizing the J3 expansion port and a straight-through
data interconnect cable. One FDX55 will be set to “A” and the second FDX55 will be set to “B”.If a
cross over cable is used,then both FDX55s would be set to “A”. This interconnect cable should be
kept as short as possible to eliminate EMI/RFI noise injection. Refer to Figure 1 for
typical configuration. Factory default for this switch is “A”. See Pg. 1, Fig.1.
Power Sources - The product should only be operated from the recommended power source.
Use only a UL Class 2 indoor/dry or Class 3 outdoor/wet power supply.
WARNING: Unit is to be used with a Listed Class 2 or LPS power supply rated 9-12 VDC @ 1A.
WARNING: This unit should be installed in a restricted access location; available through the use
of a lock and key or other means of security. Access should be limited to service personnel who
have been instructed about the reasons for the restrictions to the location. Any and all
precautions should be taken and controlled by the authority responsible for the location.
INS_FDX55_REVB
01/22/09
Page 2
FIG. 5
FDX55S1BE
FDX55M1BE
TYPICAL
DATA
DATADATA
FDX55S1BE
FDX55M1BE
Local Controller
FDX55M1
FDX55M1
FDX55 TYPICAL REPEATER CONFIGURATION
FDX55S1
FDX55S1
Local Controller Local Controller
Local Controller
DATA
CONFIGURATION
FDX55 TYPICAL POINT-TO-POINT
DATA
FDX55S1AE
FDX55M1AE
Master Controller
FDX55S1AE
FDX55M1AE
DATA
Master Controller
INS_FDX55_REVB
01/22/09
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