IBM 2498-B40 User Guide - Page 64

Data transmission ranges, Memory specifications, Transceiver, Form factor, Speed

Get IBM 2498-B40 PDF manuals and user guides View all IBM 2498-B40 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 64 highlights

Data transmission ranges Table 13 provides the data transmission ranges for different transceivers, port speeds, and cable types. Table 13. Supported optics, speeds, cables, and distances Transceiver type SWL Form factor SFP+ Speed 2 Gbps SFP+ 4 Gbps SFP+ 8 Gbps SFP+ 10 Gbps SFP+ 16 Gbps LWL SFP+ 8 Gbps SFP+ 10 Gbps ELW SFP+ 2 Gbps SFP+ 4 Gbps SFP+ 8 Gbps Multi-Mode Media Maximum Distance 62.5 microns 50 microns 50 microns (OM1) (OM2) (OM3) 150 m (492 300 m (984 500 m (1640 ft.) ft.) ft.) 70 m (229 ft.) 150 m (492 380 m (1264 ft.) ft.) 21 m (68 ft.) 50 m (164 ft.) 150 m (492 ft.) 33 m (108 ft.) 82 m (269 ft.) 300 m (984 ft.) 15 m (49 ft.) 35 m (115 ft.) 100 m (328 ft.) N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 50 microns (OM4) N/A 400 m (1312 ft.) 190 m (623 ft.) 550 m (1804 ft.) 125 m (410 ft.) N/A N/A N/A N/A N/A Single Mode Media Maximum Distance 9 microns N/A N/A N/A N/A N/A 10 km (6.2 mi.) 10 km (6.2 mi) 30 km (18.6 mi) 30 km (18.6 mi) 25 km (15.53 mi.) Up to 7500 km at 2G is supported when using long distance transport system such as DWDM. Memory specifications The switch has three types of memory devices, boot flash, compact flash, and main memory. The size of each is listed in Table 14. Table 14. Memory specifications Memory type Boot flash Compact flash Main memory (DDR2 SDRAM) Amount 4 MB 1 GB 1 GB, 64-bit with 8-bit ECC 38 SAN48B-5 Installation, Service, and User Guide

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
Data transmission ranges
Table 13 provides the data transmission ranges for different transceivers, port
speeds, and cable types.
Table 13. Supported optics, speeds, cables, and distances
Transceiver
type
Form factor
Speed
Multi-Mode Media Maximum Distance
Single Mode
Media
Maximum
Distance
62.5 microns
(OM1)
50 microns
(OM2)
50 microns
(OM3)
50 microns
(OM4)
9 microns
SWL
SFP+
2 Gbps
150 m (492
ft.)
300 m (984
ft.)
500 m (1640
ft.)
N/A
N/A
SFP+
4 Gbps
70 m (229 ft.)
150 m (492
ft.)
380 m (1264
ft.)
400 m (1312
ft.)
N/A
SFP+
8 Gbps
21 m (68 ft.)
50 m (164 ft.)
150 m (492
ft.)
190 m (623
ft.)
N/A
SFP+
10 Gbps
33 m (108 ft.)
82 m (269 ft.)
300 m (984
ft.)
550 m (1804
ft.)
N/A
SFP+
16 Gbps
15 m (49 ft.)
35 m (115 ft.)
100 m (328
ft.)
125 m (410
ft.)
N/A
LWL
SFP+
8 Gbps
N/A
N/A
N/A
N/A
10 km (6.2
mi.)
SFP+
10 Gbps
N/A
N/A
N/A
N/A
10 km (6.2
mi)
ELW
SFP+
2 Gbps
N/A
N/A
N/A
N/A
30 km (18.6
mi)
SFP+
4 Gbps
N/A
N/A
N/A
N/A
30 km (18.6
mi)
SFP+
8 Gbps
N/A
N/A
N/A
N/A
25 km (15.53
mi.)
Up to 7500 km at 2G is supported when using long distance transport system such
as DWDM.
Memory specifications
The switch has three types of memory devices, boot flash, compact flash, and main
memory. The size of each is listed in Table14.
Table 14. Memory specifications
Memory type
Amount
Boot flash
4 MB
Compact flash
1 GB
Main memory (DDR2 SDRAM)
1 GB, 64-bit with 8-bit ECC
38
SAN48B-5 Installation, Service, and User Guide