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TWO-PART
TWO-PART
CONNECTOR, TO
CONNECTOR, TO
EXTERNAL EQUIPMENT
EXTERNAL EQUIPMENT
SK1
RTS
Rx
2 2
CTS
Tx
SIG
OV
SK1
SK1
Installing the Network Gateway Unit (Continued)
A A
B x 4
B x 4
A A
B x 4
B x 4
CONNECTION
CONNECTION
TO NETWORK
TO NETWORK
PCB (NGM)
PCB (NGM)
SK2
2 2
SK2
SK2
Fitting Optional PCBs
CAUTION - Isolate mains and battery power or external
CAUTION - Isolate mains and battery power or external
! !
power before installing or removing the optional PCB.
power before installing or removing the optional PCB.
Fibre-Optic PCB (Kit PN: 020-643, PCB PN: 124-319)
Fibre-Optic PCB (Kit PN: 020-643, PCB PN: 124-319)
1 Position the Fibre-Optic Board (A) as shown and secure it to the chassis
1 Position the Fibre-Optic Board (A) as shown and secure it to the chassis
using the four M3 x 8 SEM screws (B) supplied with the PCB.
using the four M3 x 8 SEM screws (B) supplied with the PCB.
2 Fit the cables and wiring and configure jumper links as described in the
2 Fit the cables and wiring and configure jumper links as described in the
instructions supplied with the PCB.
instructions supplied with the PCB.
Note: Cables are to be brought into the back box using the top front two
Note: Cables are to be brought into the back box using the top front two
20mm knockouts and appropriate glands. Ensure that the bend radius
20mm knockouts and appropriate glands. Ensure that the bend radius
of the fibre-optic cable is within the limit specified for the cable type
of the fibre-optic cable is within the limit specified for the cable type
being used.
being used.
Isolated RS232 PCB (Kit PN: 020-478, PCB PN: 124-300)
Isolated RS232 PCB (Kit PN: 020-478, PCB PN: 124-300)
1 Position the Isolated RS232 Board (A) as shown and secure it to the
1 Position the Isolated RS232 Board (A) as shown and secure it to the
chassis using the four M3 x 8 SEM screws (B) supplied with the PCB. The
chassis using the four M3 x 8 SEM screws (B) supplied with the PCB. The
spacers supplied with the PCB are not required and can be discarded.
spacers supplied with the PCB are not required and can be discarded.
2 Connect the wiring (see drawing below). Use the straight ribbon cable
2 Connect the wiring (see drawing below). Use the straight ribbon cable
(NOT the cross-over cable) supplied with the NGU to connect to the
(NOT the cross-over cable) supplied with the NGU to connect to the
RS232 port on the NGM. Network repeater: use screened multi-core
RS232 port on the NGM.
cable to connect SK1 on the NGU's Isolated RS232 PCB to connector
cable to connect SK1 on the NGU's Isolated RS232 PCB to connector
SK1 on the Isolated RS232 PCB in the repeater.
SK1 on the Isolated RS232 PCB in the repeater.
EMC requirements: a ferrite (supplied with the NGU) is
EMC requirements: a ferrite (supplied with the NGU) is
required for the RS232 cable. Fit the ferrite directly above
required for the RS232 cable. Fit the ferrite directly above
! !
the back box knockout. The screen and all cores of the cable
the back box knockout. The screen and all cores of the cable
must pass through the ferrite.
must pass through the ferrite.
CAUTION: Equipment connected to this RS232 port must be
CAUTION: Equipment connected to this RS232 port must be
suitably protected against electric shock. Voltages on the
suitably protected against electric shock. Voltages on the
! !
interconnections must not exceed 42V peak or 60V dc under
interconnections must not exceed 42V peak or 60V dc under
normal or single fault conditions.
normal or single fault conditions.
7
Network repeater
: use screened multi-core
997-451, Issue 6 July 2006
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