5-2 Cisco BPX 8600 Series Reference
ASI-1, ATM Service Interface Card
A BXM port may be configured to operate as either a trunk or UNI port. The BXM OC-12 back cards
support Single Mode Fiber (SMF), Single Mode Fiber Long Reach (SMFLR), or Single Mode Fiber
Extra Long Range (SMFXLR). The BXM OC-3 back cards support either Multi-Mode Fiber
(MMF), Single Mode Fiber (SMF), or Single Mode Fiber Long Reach (SMFLR).
For a further description of the BXM cards refer to Chapter 6, BXM T3/E3, 155, and 622.
Figure 5-1 BPX Switch Service Interface Group
ASI-1, ATM Service Interface Card
The ATM Service Interface Card for T3 and E3 interfaces (ASI-1) is a front card for use in the BPX
switch to interface an ATM user device e.g., Customer Premise Equipment (CPE). The ASI provides
an industry-standard ATM User-to-Network Interface (UNI) or ATM Network-to-Network Interface
(NNI) to the BPX switching fabric.
Alarm
outputs
EXT/INT
clock
NMS
port
BPX service interface group
StrataBus backplane
Line
module-
BCC
Broadband
controller
card
primary
Interface
card
ASI-155
Line module
LM-2OC3-SMF,
LM-2OC3-SMFLR
or
LM-2OC3-MMF
Back card
1 or 2 port
BXM-622-SMF
or
BXM-622-SMFLR
Interface card
BXM-622
or
BXM-622-2
Line module
LM-2E3
or
LM-2T3
Broadband
controller
card
redundant
Line
module-
BCC
Alarm/
status
monitor
Line
module-
ASM
S6157
Back card
8 or 12 port
BPX-T3/E3
or
4 or 8 port
BXM-155-MMF,
BXM-155-SMF,
or
BXM-155-SMFLR
Interface card
BXM-T3/E3
8 or 12 port
or
BXM-155
4 or 8 port
Interface card
ASI-1
