
CX900e Hardware Reference Manual
1-4
3006M100-002
1.2
Hardware Overview
The CX900e system consists of a chassis housing the power supplies,
motherboard and input/output (I/O) cards. The following paragraphs provide an
overview of the CX900e system components.
1.2.1
Chassis
The CX900e 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 CX900e contains one universal-input (85V - 264 VAC) DC power supply that
pr5V 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
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
10 Mbps Ethernet LAN card
T1/E1 CSU/DSU
10/100 Mbps Ethernet LAN card
56K/64K DSU/CSU
4/16 Mbps Token Ring LAN card
Содержание CX900e
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