3Com SuperStack II PathBuilder S330 Reference Manual page 227

Table 16 PathBuilder S310 System Specifications (continued)
MOTHERBOARD SPECIFICATIONS
Main microprocessor
Backplane speed
Memory usage
Front panel LEDs:
Common
Ethernet
Serial
T1
Management Interface
Interface type
Connector type
Ethernet 10BASE-T Interface
Number of ports
Interface type
Connector type
Data support
ATM support
Shaping
Forwarding rate
T1 UNI Interface
Number of ports
Type of interface
Connector type
Line Framing
Line Coding
ATM framing
ATM support
LBO
Electrical interface
Attenuation
Payload scrambling
(continued)
PathBuilder S310 Specifications
RISC
360 MHz
Flash EPROM, 8 MB
DRAM, 16 MB
Power, Status, Alert
Tx, Rx, Link
TD, RD
Alert, Active
RS-232C
Female DB-9
1
VC level, dual leaky bucket, 56 Kbps to 16.6 Mbps
RJ45
10BASE-T, IEEE 802.3
Bridging with filtering, spanning tree, RFC 1483
(LLC_SNAP), RFC 1577 (2225, IP over ATM)
AAL5, peak rate
Greater than 7000 pps
1
T1 or E1 UNI (with integral CSU and DSX)
RJ48C or G703 coax with E1 Balun Adapter
ESF, SF (D4), or No Framing for T1
G. 703/704 for E1
B8ZS for T1 (AMI for special applications)
HDB3 for E1
HEC (ITU-T G.804), I.432
T1/E1 UNI
0, 7.5, 15.0, 22.5 dB (CSU)
0 to 655 ft (DSX)
CSU/DSX
0, 7.5, 15 dB
Yes
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