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1. BitStorm 1900 IP DSLAM
1-6 BitStorm 1900 Installation and Maintenance Guide 1900-A2-GN20-00
CO Modem Cards
One BitStorm 1900 shelf supports up to 10 modem cards. Each CO
modem card controls the StormPort CPE modems, directing data traffic
flow between the CPE modems and the data network.
The following CO modem cards are available:
• 10306 CO modem card – 6-port dedicated, 10 Mbps
• 10224 CO modem card – 24-port statistically multiplexed,
10 Mbps
Privacy Management
The Privacy Management (a.k.a. MAC Address Filtering) feature
ensures the privacy of each user connected to a local layer 2 network.
StormTracker EMS or the Site Manager is used to enter the MAC
address of a gateway or router to connect to the internet or a local
server in the StormPort CPE modem Privacy Management filter table.
The Privacy Management ensures that downstream packets are
discarded unless they are from one of the MAC addresses in the filter
table and upstream packets are discarded unless they are going to one
of the MAC addresses in the filter table. Thus, it is impossible for a
user connected to one CPE modem to see another user on the same
local L2 network connected to another CPE modem, unless the user’s
!
WARNING: POSSIBLE EQUIPMENT DAMAGE! To
comply with Telcordia GR-1089-CORE,
Outside Plant Voltage/Current Limiting
Protection is required for each Outside Plant
Exposed line.
Table 1-1: CO Modem Card LEDs
LED Color
Power Green when power is on
Transfer Green when data transfer is normal (blinks when training to
find correct speed)
Link Green when network is in normal operation (amber while
training, or network is down)