1-8
Server Cards
Model No.
Running Head
ADPCM Server Card Specifications
ADPCM Card
1.6
ADPCM Server Card Specifications
ADPCM Card (887160)
Input Voice Channels
Can originate from any 2-wire or 4-wire voice card or from a DSO on a
WAN (El/T1 or HDSL) interface.
µ
-law & A-law 64Kbps PCM
compatible on a per channel basis.
Input Sub-rate Data
SRU data traffic at 19.2Kbps or less can be carried on a 24Kbps
sub-channel.
Input BRI traffic
B channel voice traffic can be compressed at any of the configurable
rates.
Modem Data Support
Transcoder rate: 24, 32 or 40 Kbps; Modem Data: none, up to 4.8Kbps,
V.32 to 9.6Kbps, up to 12Kbps and V.32 bis to 14.4Kbps
Fax Support
Transcoder rate for fax: 24, 32 or 40 Kbps; none, Group II and Group
III fax.
Voice Quality
As measured by Mean Opinion Score (MOS) analysis, a subjective
evaluation with a range of 0 (poor quality) to 5 (good quality). Toll
quality voice is accorded a MOS of 4.0 24Kbps transcoder rate MOS is
3.6-3.8; 32Kbps transcoder rate MOS is 4.0-4.3 and 40Kbps transcoder
rate MOS is 4.0-4.3
Echo Cancellation
Non provided—typically not required
Signaling
Transmitted in-band utilizing CAS transitional signaling, as per ANSI
T1.302—1986 for 32Kbps and modified for use with 24Kbps and
40Kbps. Note Robbed Bit Signaling Alarm Transmission, as specified
in ANSI T1.302a-1989 is not supported.
Maximum Card Count
3 (2 active, 1 redundant)
Transcoder Operation
Compliant to G.761 Alarm Indication and Fault Handling.
Standards Compatibility
ANSI
T1.302 1989
T1.302a 1992
T1.303 1989
CEN
EN 500 081-1
EN 500-092-1
EN 60950/A2
ITU-T
G.721
G.723
G.726 12/90
Summary of Contents for 600
Page 1: ...Server Cards Reference Guide Release 5 3 1 September 2000 ...
Page 4: ...Model No Running Head ...
Page 10: ...vi Server Cards Model No Running Head Contents ...
Page 14: ...x Server Cards Model No Running Head Figures ...
Page 56: ...2 32 Server Cards Model No Running Head ACS FRS Server Card Specifications FRS Card ...
Page 74: ...3 18 Server Cards Model No Running Head ACS MCC Card Troubleshooting MCC Card ...
Page 110: ...4 36 Server Cards Model No Running Head ATM Server Card Specifications ATM Card ...
Page 150: ...5 40 Server Cards Model No Running Head ISDN PRI Card Troubleshooting ISDN PRI Card ...
Page 208: ...7 18 Server Cards Model No Running Head IMUX Card Troubleshooting IMUX Card ...