2.3.4.3 Powerfail Dials
A power-fail dial may be installed in a Handsfree or On-Hook station as follows (refer to fig.
Loosen the two screws holding the station case to the base moulding.
Lift the case from the base, unclipping the ribbon cable between
and station board and the
connections for speaker and volume control.
Install the powerfail dial board PFB-AN-VF or PFB-AN-DEC in the space next to the station board and
fasten the board with the screw and washer.
Remove the link S2 on the station board.
Connect the ribbon cable between the powerfail dial board and PF connector on the station board.
Connect the ribbon cable between the powerfail dial and connector CN4 on the key board.
Replace the ribbon cable between the keyboard and connector CN2 on the station board, re-connect
the volume control to the
connector and the speaker to the SP connector.
Re-assemble the station and tighten the screws.
HS2
MAIN STATION BOARD
PF
0
PFB-AN-
DE C
1
B A S E
Fig.
INSTALLATION OF THE POWERFAIL DIAL
2.3.4.4
Headset Adaptor Kit
The Headset Adaptor Kit may be installed in a Handsfree or an On-Hook station as follows:
Remove the sub-base from the station (disconnect the ribbon cable from the PBA for Handsfree
stations).
Connect the ribbon cable between the connector on the Headset Adaptor Board and connector
on the station board.
Remove the links from connector
on the On-Hook station.
Attach the sub-base to the station.
2.3.5
Powerfail Bell
Remove the cover of the bell by unscrewing the Phillips head screw in the middle of the cover. Screw the
bell into place using the 3 holes located on the base, then replace the cover.
2.3.6
Two-Wire Extender Unit
The unit is located on the wall, adjacent to the main
equipment. For distances between mounting hole,
centres, refer fig. 2.3.6.
Fig. 2.3.6
WALL MOUNTING
AN-61 6
ISSUE
39
