Mitel SX-200 Documentation page 445

SECTION 91 OS/91 1 O-096-189-NA
B. SX-200 Equipment
Page 6
for installation and maintenance purposes.
Reserve Power Supply
3.11 The reserve power supply is designed to maintain complete
system operation for a minimum of 2 hours in the event of a
primary power failure. The reserve power supply is housed in a com-
plete@ enclosed unit and forms a 'base unit on which the standard
SX-106 cabinet can be mounted. A cable harness is supplied to inter-
connect the two units. In the case of the wall-mounted version of the
tie SX-100 system.
The SX-200 equipment cabinet (see Figure 3-3) is of metal
3.12
construction and has the following dimensions: height 965 mm
weight of a fully equipped PBX is approximately 131.7 kg (290 lb).
All connections from the cross-connecting terminals to the
3.13
SX-200 equipment cabinet are made using connectorized ca-
bles. Connections between the cross-connecting terminals, the atten-
dant console and external equipment are made in accordance with
accepted practice.
314 A reserve power supply and battery charging system are avail-
able as an option. The reserve power supply is designed to
maintain system operation for a minimum of 2 hours in the event of a
3.15 The door on the front of the cabinet provides access to the
system maintenance panel, printed circuit cards and reserve
Battery supply shelf. The hinged rear panels hold the system power
supply, and provides access to the line and trunk connections, and the
vided through cable ducts on either side of the cabinet.
3.16 The maintenance panel, mounted at the top of the cabinet,
provides access to the system from the maintenance console
through a SO-pin connector. To the left of the maintenance connector
personnel to make calls and to access special maintenance functions.
This shelf holds up to 12 line and/or trunk cards. Below equipment
shelf 2 is equipment shelf 1. This shelf contains the system common i
control cards plus a number of trunk, line and receiver cards. The
optional reserve power supply is contained in a completely enclosed