1 OVERVIEW
3021M100-002
1-3
1.2 Hardware Overview
The CX950 system consists of a chassis housing the power supplies, motherboard
and input/output (I/O) cards. The following paragraphs provide an overview of
the CX950 system components.
1.2.1 Chassis
The CX950 chassis provides the framework for mounting the power supplies,
fans, power entry module, and the motherboard. The front panel is equipped with
one LED for indicating power and system status. The rear panel provides an on/
off switch, console port, power entry module with integral fuses, and access to th
rear connectors of the I/O cards.
1.2.2 Power Supply
The CX950 contains one universal-input (85V - 264 VAC) DC power supply that
provides +5V and +12V to the motherboard. Voice applications require a Ring
Generator card to provide -12VDC, -48VDC, and 86 VAC (ringing voltage) to th
Voice I/O cards.
1.2.3 Motherboard
The motherboard contains the software, CPU and associated circuitry to support
LAN/WAN connectivity through its eight I/O expansion slots.
The following card types are compatible with the expansion slots of th
motherboard. Certain restrictions apply, however, to the location of some card
types; refer to Table 1-1.
The Motherboard also provides connectors for installing the optional Serial
Expansion Module (SEM) and Ring Generator card.
V.35H Serial card Analog Voice I/O card
V.35EU Serial card Dual Analog Voice (DAV) I/O card
X.21 Serial card V.34 Dial Modem
V.24 Serial card ISDN BRI (S/T or U)
V.24 Multi-I/O Serial card DDVC card
Universal I/O card BRI Digital Voice card
ATM I/O card T1/E1 CSU/DSU
10 Mbps Ethernet LAN card Digital Interface Module (DIM)
10/100 Mbps Ethernet LAN card 56K/64K DSU/CSU
4/16 Mbps Token Ring LAN card Analog Voice I/O card
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