Pub. 42004-790B
SP2 Fiber Class I Div. 2 Handset/Speaker Amplifier Station
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Open the Station
Complete the following steps to open the station:
1.
Remove the four screws from the front panel and turn it to the left to expose the interior surfaces.
2.
Keep the wiring and ribbon cables connected.
3.
Mount the front panel to the holes on the left side of the rear enclosure using two of the screws just
removed.
Figure 3. SP2 Fiber Class I Div. 2 Station—Interior View
Field Wiring and Configuration
The Class I Div. 2 fiber SP2 station provides terminal blocks on the termination PCBA, located in the rear
of the enclosure, for field wiring the power, speaker, and RTU connections. The main PCBA, mounted to
the back of the front panel, provides the 600-ohm audio connection. The fiber termination board,
mounted on top of the main PCBA, provides fiber optic termination for the Ethernet SFP transceiver.
N
OTE
:
Consult the National Electrical Code (NFPA 70), Canadian Standards Association (CSA 22.1),
and local codes for the specific requirements regarding your installation. Install all equipment
without modification and according to the local and national codes. Class 2 circuit wiring must
be performed in accordance with the NEC.
Station Ground
The station enclosure must have an earth ground connection:
1.
Install a #6 ring lug on the ground conductor.
2.
Secure it to the ground terminal located in the lower left corner at the back of the rear enclosure (see
Figure 3).
