Table 82 describes the distance rules for 1 Gb/s Fibre Channel connections when using 1 Gb/s Fibre Channel
switch models.
Table 82 1 Gb/s Fibre Channel distance rules (B-series, C-series, and M-series switches)
Supported storage productsSupported distancesInterface/transport
Heterogeneous SAN servers, Fibre
Channel switches, and storage
systems
HP Continuous Access EVA and XP
Continuous Access
EBS
500 m at 1 Gb/s50 micron multi-mode fiber optic cable and short-wave
GBICs and GLMs
200 m at 1 Gb/s62.5 micron multi-mode fiber optic cable and short-wave
GBICs
1
10 km ISL at 1 Gb/s
35 km ISL (C-series, M-series)
9 micron single-mode fiber optic cable and long-wave
GBICs
100 km ISL (B-series) at 1 Gb/s9 micron single-mode fiber optic cable and very long
nl
distance GBICs
200 km (B-series, C-series)
105 km (M-series)
Total distance
2
240 km at 1 Gb/s
Fibre Channel using WDM
3, 4
1
Information for 62.5 micron fiber optic cable is provided to facilitate use of installed cable. HP recommends 50 micron fiber optic cable
for new installations that require multi-mode fiber.
2
Total distance is the sum of all cable segments.
3
WDM distance is the maximum distance for the WDM link.
4
Up to 240 km at 1 Gb/s, over a WDM link. Certain Fibre Channel switches may have reduced performance at this distance.
Table 83 describes the distance rules for ATM extension Fibre Channel connections.
Table 83 ATM extension Fibre Channel distance rules
EBSHP XP Continuous Access
1, 2
Heterogeneous SAN
host-to-disk storage sys-
temsInterface/transport
Not supportedInter-site backbone with FC-to-IP
converter, 100 ms IP network delay
one-way or 200 ms round-trip
Not supported as one ISL in a
single-fabric implementation
Not supportedOne T1/E1 WAN per fabric
One T1/E1 WAN per fabric
(inverse
nl
multiplexing)
Inter-site backbone with FC-to-IP convert-
er, 100 ms IP network delay one-way or
200 ms round-trip
T3/E3 WAN
Fractional and/or shared
T3/E3 and OC 3 WAN
1
For supported IP bandwidth levels, see the product documentation.
2
For details on HP Continuous Access support limits, see “SAN extension” on page 279.
SAN Design Reference Guide 175
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