-2 IGX 8 Installation Manual, Release 8.2.0
Voice Circuit Support
Input AC Power
Connector:
IEC 16 Amp input connector. 6 different power cords are available
to comply with the standards of individual countries. Power cords
are 6 feet (about 2 meters) long. See AC Power Cabling for details.
DC Input Connections
3-wire pluggable terminal block with screw terminal connectors.
Operating Environment:
0
°
to 50
°
C (32
°
to 104
°
F). Maximum 85% relative humidity
Shock:
Withstands 10 G, 10 ms. at 1/2 sine wave.
Vibration:
Withstands 1/4 G, 20–500 Hz.
Heat Transfer to Room:
IGX 8: 2720 BTUs max.
Voice Channel Interface:
24-channel T1 (D4 format).
24-channel T1-ESF (using CVM8).
30-channel framed CEPT E1.
31-channel framed CEPT E1.
Voice Compression
Available:
32/24/16 Kbps ADPCM.
32 Kbps ADPCM.
Voice Activity Detection compression.
Compression Algorithm:
ITU-T G.721, G.723, G.726.
StrataCom 32 Kbps ADPCM.
PCM Encoding Types:
Accommodates
µ
-Law or A-Law encoding,
End-to-end conversion available.
Channel Gain Control:
–8 dB to +6 dB.
Signalling Modes:
T1: Robbed bit or CCS (ISDN).
E1: Channel Associative Signalling (CAS) or Common Channel
Signalling (CCS).
Signalling Conditioning:
Various make-busy and forced idle routines during circuit alarm can
be specified on a per-channel basis.
Quantizing Distortion
Added:
2.5 Quantizing Distortion Units (QDU)s with 32 Kbps ADPCM
over 1 hop plus 0.7 QDUs with Digital Loss PAD (
µ
-law or A-Law).
