Chapter 2 Hardware Description
I/O and Server Modules Specifications
2-8
255-700-025
PacketStar
™
Access Concentrator 60 User Guide
, Issue 1
Release 6.3.0
I/O and Server Modules Specifications
Memory allocation, bandwidth classification (based on the module
throughput), and power consumption for each
PacketStar
I/O and server
module are given in Table 2-7 the following table.
Narrowband Interfaces
Voice 2-Wire Office (Sink), Voice 2-Wire Sta-
tion (Source)
LAN Interfaces
T1, E1, OC-3c, Ethernet, Serial (RS-232,
EIA-449, EIA-530), Parallel
Management Interfaces
Ethernet (RJ-45), EIA-232 (RJ-11), Inband
(IP over ATM) (RFC 1483)
Table 2-6. Physical Interface Specifications
Table 2-7. Memory Allocation, Bandwidth Classification, and Power Consumption per Module
Module Type
Total
Amount of
SDRAM (MB)
Module
Program and
Data Space
(MB)
Maximum
Input Buffer
(MB)
Output
Buffer (MB)
Bandwidth
Classification
Maximum
Heat Dissipa-
tion/Power
Consump-
tion (Watts)
Channelized DS3
24 MB
7 MB
4 MB
13 MB
High
13 W
Channelized
STS-1e T1
24 MB
7 MB
4 MB
13 MB
High
13 W
Enhanced DS1
(6 port)
16–64 MB
8 MB
1 MB
Total minus
9 MB
Low
18 W
DS1 IMA
16–64 MB
8 MB
1 MB
Total minus
9 MB
Low
18 W
DS3 ATM
8–64 MB
3 MB
1 MB
Total minus
4 MB
High
15 W
DS3 Frame Relay
8–64 MB
4 MB
1 MB
Total minus
4 MB
High
13 W
DS3 IMA
24 MB
7 MB
4 MB
13 MB
High
13 W
DSP2A Voice
Server
512 KB
(SRAM)
384 KB
(SRAM)
N/A
N/A
Low
14 W
DSP2B Voice
Server
512 KB
(SRAM)
384 KB
(SRAM)
N/A
N/A
Low
14 W
DSP2C Voice
Server
1 MB
(SRAM)
512 KB
(SRAM)
N/A
N/A
Low
16–17 W
Enhanced E1
(6 port)
16–64 MB
8 MB
1 MB
Total minus
9 MB
Low
18 W
E1 IMA
16–64 MB
8 MB
1 MB
Total minus
9 MB
Low
18 W
