Tadiran Telecom Coral IPx 800 Series, Инструкция по установке и справочник по аппаратной части

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Hardware Installation Procedure
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The power supply is inserted only after the system has been completely grounded and
the jumpers configured. Verify that the cage is grounded and that the configuration
jumpers have been adjusted before performing the procedure described in this section.
For more information, see
page 2-17, Ground Wiring
and
page 2-30, Setting the
Configuration Jumpers
.
The power supplies used in the Coral IPx
800
consist of an AC powered
(PS19 AC) or a –48VDC powered (PS19 DC or DC-D) power supply unit.
The PS19 is installed in the extreme left slot of the peripheral card cage.
See Figure 2-19 on page 2-42 through Figure 2-21 on page 2-44 .
See
Chapter 7 - Power Supplies
for further details on the PS19 power supply units.
1. Connect the static dissipating wrist strap connector to the cage and wear the strap.
2. The power supply includes a ring generator that is required for single-line
telephone (8SLS, 16SLS, 24SLS cards) or magneto telephone (8SM
card)
station circuits. Either 20Hz or 25Hz ringing frequency can be supplied, by
configuring jumper located on the power supply card. Verify that the jumper is
configured according to local requirements. The procedure is as follows:
„ on page 7-9
for PS19 DC
„
on page 7-25
for PS19 DC-D
„ on page 7-45
for PS19 AC
9 Installing the Power Supply Card
Coral power supply units (PS19 AC, PS19 DC and PS19 DC-D) are heavy.
Handle with care and do not drop.
Coral power supply circuit cards contain static-sensitive circuitry that could be damaged
or destroyed by electro-static discharge (ESD).
Always wear the static dissipating wrist strap connected to the cage while handling the
circuit cards. See
Figure 2-17 on page 2-30
.
Hold circuit cards by their edges to avoid touching contact surfaces.