
Installation
• 3-5 •
The H.110 Basic Rate ISDN Board
Figure 4:
Installing Cables on J1 and J2
4.
Reinsert the front board into the chassis. Seat it properly in a slot in
the chassis and secure it with the front panel handles. Do not
connect the board to the PSTN.
5.
Insert the rear board into the corresponding slot on the rear panel.
The rear board
MUST
be inserted for the front board to function.
6.
Connect the host chassis to the mains supply using a socket-outlet
with protective earthing connection and connect any additional
protective earthing used.
7.
Connect the telephone cables to J1 & J2. The telephone cable
terminates in a 68 pin SCSI-3 male connector. Secure with
mounting screws.
If it is subsequently desired to open the host equipment chassis for any
reason, the PSTN cable must be detached prior to effecting access to any
internal parts which may carry telecommunications network voltages.