User's Manual

EX7100 Technical Manual - Introduction
©1999 Exicom Technologies (1996) Ltd 1-5 Issue 2 - February 2001
Power Supply
1
10.8 - 30 VDC and 30 - 60 VDC, positive or
negative earth for 12/24/48 VDC power
systems
Power Consumption
Standby, 64 kbit/s configuration 35 W
Standby, 6 Ch. configuration 40 W
Tx 10 Watt, 64 kbit/s configuration
Typical 65 W
Maximum 100 W
Tx 10 Watt, 6 Ch. Configuration
2
Typical 85 W
Maximum 120 W
Tx 2 Watt, 64 kbit/s configuration
Tx 2 Watt, 6 Ch. configuration
2
(2 W figures above TO BE ADVISED)
1.5.3 Multi-channel Voice and Data Multiplexer
Purpose
For data and low bit rate voice options
Integral Multiplexer Interface
Proprietary
Number of Channels used
Up to six low bit rate voice/data/fax
Exchange/Subscriber Line
Connections
Via 50-way CHAMP connector
Voice Quality
Near toll quality - MOS
3
= 3.9
(64 kbit/s PCM MOS = 4.2, 32 kbit/s ADPCM
MOS = 3.8)
Voice Compression
MP-MLQ @ 6.3 kbit/s (ITU-T G723.1)
Audio Frequency Response
300 to 3400 Hz typical
Line Interfaces
2-wire, 600Ω/900Ω/complex, 4-wire + E&M
(optional)
Telephone Interface (2-Wire)
2-wire, 600Ω/900Ω/complex, maximum DC
loop resistance 1500Ω, 50 V DC supply
Rx/Tx Line Levels 2 Wire
4 Wire
-15 dBm to +3 dBm
-15 dBm to +3 dBm or –11 dBm to +7 dBm
Line Drive Current
25 or 45 mA selectable
Payphone Interface
12/16 kHz meter pulse and line reversal
Fax and data detection
Fax Speed
Data Speed
Automatic
G3 up to 9.6 kbit/s
Up to 9.6 kbit/s with telephone modems
1
Refer to Section 2, page 2-6 for IMPORTANT WARNINGS re the power supply
2
6 Channel Tx power consumption is maximum with 6 channels operational with 25 mA loop current and no ringing
3
MOS = Mean Opinion Score as defined by ITU-T Rec. P80 and tested by AT&T Study Group 15