3Com SuperStack II PathBuilder S330 Reference Manual page 29

Table 4 PathBuilder S330 System Specifications
VOICE COMPRESSION MODULE SPECIFICATIONS
Number of ports
Interface type(s)
T1-DSX/E1 physical
Impedance
Framing
Line Coding
LBO
Clock
Front panel LEDs (1-7)
Data rates
ATM support
Timing
Class of Service
T1-DSX/E1connector type
T1-DSX/E1 connector pinouts
Frame Relay support
Compression Types
DS3/E3 EXPANSION MODULE SPECIFICATIONS
Number of ports
Interface type(s)
Connector type
ATM Framing
LBO
Line Coding
Line Framing
1
1direct T1-DSX/E1
1 each RJ48
100 Ohms
D4 or ESF
AMI or B8ZS
0 - 655 feet
DCE, Internal
PWR, FAIL, TEST, STS 0, STS 1, INS, ALM
n x 56Kbps or n x 64Kbps
(structured; n = 1, 2, 3, 4, 6, 8, 12, 24)
CAS/CCS support with Dynamic bandwidth
reallocation
AAL1, AAL5
Looped, system
AAL5
RJ48 or G703 coax with E1 Balun Adapter
PIN 1 - Receive ring
PIN 2 - Receive Tip
PIN 3 -
PIN 4 - Transmit ring
PIN 5 - Transmit Tip
PIN 6 -
PIN 7 -
PIN 8 -
FRF.5, FRF.8
G.729A, G. 726, G.711, voice activity detection, fax
relay, DTMF relay
1
DS3, E3
Coax, BNC
HEC, PLCP
0-250, 250-450
B8ZsS (DS3), HDB3 (E3)
M23 and C-BIT (DS3),
G.751-PLCP, G.804/G832-HEC (E3)
Specifications 17