Beta Draft Confidential
Configuring Trunks
About APS
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/057-7
Table 7-1. Fast APS Support
Switch/Modules Logical
Port
Circuit
Type
Base
Standard
Direction Reversion Inter- or
Intra-
card
CBX 3500
4-Port OC-3c/
STM-1 IOM
a
UNI,
Direct
Trunk,
NNI
PVC,
SVC,
Offnet
PVC
b
GR-253,
G.841 Sec
7.1
Bi-directional Revertive and
Non-revertive
Intra-card
Bi-directional Revertive and
Non-revertive
Inter-card
G.783/
G.841
Annex B
Bi-directional Non-revertive Intra-card
Bi-directional Non-revertive Inter-card
16-Port OC-3c/
STM-1 ULC
4-Port OC-12c/
STM-4 ULC
UNI,
Direct
Trunk,
NNI
PVC,
SVC,
Offnet
PVC
b
GR-253,
G.841 Sec
7.1
Bi-directional Revertive and
Non-revertive
Intra-card
Bi-directional Revertive and
Non-revertive
Inter-card
G.783/
G.841
Annex B
Bi-directional Non-revertive Intra-card
Bi-directional Non-revertive Inter-card
1-Port OC-48c/
STM-16 ULC
UNI,
Direct
Trunk,
NNI
PVC,
SVC,
Offnet
PVC
b
GR-253,
G.841 Sec
7.1
Bi-directional Revertive and
Non-revertive
Inter-card
G.783/
G.841
Annex B
Bi-directional Non-revertive Inter-card
CBX 500
a
4-Port OC-3c/
STM-1 IOM
1-Port OC-12c/
STM-4 IOM
UNI,
Direct
Trunk,
NNI
PVC,
SVC,
Offnet
PVC
b
GR-253,
G.841 Sec
7.1
Bi-directional
and
Uni-directional
Revertive and
Non-revertive
Intra-card
Bi-directional Revertive and
Non-revertive
Inter-card
G.783/
G.841
Annex B
Bi-directional Non-revertive Intra-card
Bi-directional Non-revertive Inter-card