Memotec CX950

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CX950 Hardware Reference Manual

15-4

3021M100-002

15.2.1 Power

Power

Consumption

2.0 Watts (6.8 BTU/hr).

Power

The motherboard 120-pin connector supplies +5 VDC to the card and provides the

Ground return.

Converter

A DC-DC converter converts +5 VDC to +12 VDC for the AUI. The power

consumption of the converter is 6.0 Watts (500 mA at 12 VDC).

Overcurrent

Protection

The Ethernet LAN I/O card contains a non-resettable 0.5 Amp fuse across the -12

VDC output.

Main Page

Default Chapter11
- Table of Contents11
Overview23
- Figure 1-1 the CX950 Access Switch23
- Figure 1-2 CX950 System Functional Diagram, Typical24
- Functional Overview24
- Hardware Overview25
- Recommended Configurations28
- Table 1-1 Recommended Configurations29
Chassis31
- Specifications32
- Front Panel33
- Rear Panel33
Motherboard35
- Figure 3-1 Motherboard Layout36
- Processing Section37
- I/O Section38
- Power Section38
- Figure 3-2 Functional Block Diagram, Motherboard39
Serial I/O Cards41
- Serial I/O Card42
- V.35EU Serial I/O Card46
- V.35H Serial I/O Card49
- Serial I/O Card53
Multi I/O Card57
- Multi I/O Card Components58
Universal I/O Card63
- Universal I/O Card Components64
- Universal I/O Cable67
- Configuration67
- Power Requirements69
- Figure 6-6 TXC Configuration69
- Table 6-2 TXC/EXTXC Settings69
Analog Voice I/O Card71
- Speeds Supported by the Analog Voice I/O Card73
- Line Interface Drivers73
- Voice LID Signal Handling75
- Table 7-3 Voice Connector Signal Output (RJ-12)75
- Table 7-4 Voice Connector Signal Output (PB-45)75
- Layouts for E&M Signaling Leads76
- Figure 7-3 E&M Signal, 4-Wire Type I76
- Analog Voice I/O Cables79
- E&M Pin-Outs and Wiring for Octopus Cables80
- Table 7-6 RJ-12 Pin-Out80
- Table 7-7 PB-45 Pin-Out80
- Table 7-8 RJ-12 Wiring81
- Table 7-9 PB-45 Wiring81
- Analog Voice I/O Card Power Consumption82
Dual Analog Voice I/O Card83
- CX950 I/O Bus84
- Digital Signal Processor84
- Analog Interface Controller84
- Figure 8-1 DAV I/O Card (Without SLIM Lids)84
- Programmable Logic Device85
- DAV I/O Connector Plate85
- Figure 8-2 DAV I/O Card, Simplified Block Diagram85
- Speeds Supported by the DAV I/O86
- SLIM Line Interface Drivers (SLIM Lids)86
- Configuring Voice SLIM Lids90
- Voice SLIM LID Connector Pin Assignments94
- Voice I/O Cables94
- Table 8-4 Voice Connector Signal Output (RJ-12)94
- Table 8-5 Voice Connector Signal Output (RJ-45)94
- E&M Pin-Outs and Wiring for Octopus Cables95
- Table 8-6 PB-45 Pin-Out95
- Table 8-7 RJ-45 Wiring95
- Power Requirements96
  - Power Supply96
  - Power Consumption96
Csu/Dsu I/O Card97
- CSU/DSU I/O Card Components98
Isdn-U I/O Card101
- ISDN-U I/O Card Components102
Isdn-S/T I/O Card105
- ISDN-S/T I/O Card Components106
- Dual Digital Voice Compression Card109
Bri Digital Voice I/O Card111
- BRI Digital Voice I/O Card Components112
- Power114
- Table 12-2 Signal Pin-Outs for the BRI Port114
34 Modem I/O Card115
- Modem I/O Card Components116
Token Ring Lan I/O Card119
- Figure 14-1 Token Ring I/O Card120
- Figure 14-2 Token Ring LAN I/O Card, Connector Plate120
- Table 14-1 Token Ring Port Signal Handling121
- Token Ring I/O Card Power Consumption121
- Token Ring Port Signal Handling121
Ethernet Lan I/O Card123
- Ethernet Port Signal Handling125
Fast Ethernet Lan I/O Card128
- Fast Ethernet LAN I/O Card Components128
T1/E1 I/O Card131
- T1/E1 I/O Card Components132
- Power135
Digital Interface Module137
- DIM Components138
- Figure 18-1 DIM (Without Daughterboards)138
- Figure 18-2 DIM, Simplified Block Diagram139
- Figure 18-3 Digital Interface Module Connector Plate140
- Table 18-1 DIM LED Status140
- Table 18-2 DIM Slot Restrictions141
- Table 18-3 I/O Card Restrictions When the DIM Is Configured for Channelized Data141
- Connector Pin-Outs142
- Power Requirements142
Atm I/O Card143
- ATM I/O Card Components143
20 -48V/Ring Generator Card150
- Installation Preparations152
- RAM Installation154
- Figure 21-1 Releasing the CX950 Cover154
- Standard I/O Card Installation155
- Figure 21-2 Standard I/O Card Installation157
- Analog Voice I/O and DAV I/O Card Installation158
- Figure 21-3 Ring Generator Card, Installation159
- ATM I/O Card Installation160
- External Equipment Cabling161
- Figure 21-4 ATM I/O Card Installation161
- Powering up165

Memotec CX950

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