Channel options
This appendix describes all channel attributes, the required cable types, the maximum unrepeated distance, and the bit rate for IBM z15. The features that are hosted in the PCIe drawer for Cryptography are also listed.
For all optical links, the connector type is LC Duplex (except for the zHyperLink) and the ICA SR connections, which are established with multifiber push-on (MPO) connectors.
The MPO connector of the zHyperLink, and the ICA connection features two rows of 12 fibers and are interchangeable.
The electrical Ethernet cable for the Open Systems Adapter (OSA) connectivity is connected through an RJ45 jack.
The attributes of the channel options that are supported on z15 are listed in Table A-1.
Table A-1 z15 channel feature support
|
Channel feature
|
Feature codes
|
Bit rate1
in Gbps
(or stated)
|
Cable type
|
Maximum
unrepeated
distance2
|
Ordering information
|
|
zHyperLink and Fiber Connection (FICON)
|
|||||
|
zHyperlink Express1.1
|
0451
|
8 GBps
|
OM4,
OM3
|
New build
|
|
|
zHyperlink Express
|
0431
|
Carry forward
|
|||
|
FICON Express16SA LX
|
0436
|
8, or 16
|
SM 9 µm
|
10 km
(6.2 miles) |
New build
|
|
FICON Express16SA SX
|
0437
|
8, or 16
|
OM2, OM3, OM4
|
See Table on page 489.
|
New build
|
|
FICON Express16S+ LX
|
0427
|
4, 8, or 16
|
SM 9 µm
|
10 km
(6.2 miles) |
Carry forward
|
|
FICON Express16S+ SX
|
0428
|
4, 8, or 16
|
OM2, OM3, OM4
|
See Table on page 489.
|
Carry forward
|
|
FICON Express16S LX
|
0418
|
4, 8, or 16
|
SM 9 µm
|
10 km
(6.2 miles) |
Carry forward
|
|
FICON Express16S SX
|
0419
|
4, 8, or 16
|
OM2, OM3, OM4
|
See Table on page 489.
|
Carry forward
|
|
FICON Express8S LX
|
0409
|
2, 4, or 8
|
SM 9 µm
|
10 km
(6.2 miles) |
Carry forward
|
|
FICON Express8S SX
|
0410
|
2, 4, or 8
|
OM2, OM3, OM4
|
See Table on page 489.
|
Carry forward
|
|
Open Systems Adapter (OSA) and Remote Direct Memory over Converged Ethernet (RoCE)
|
|||||
|
OSA-Express7S 25GbE SR1.1
|
0449
|
25
|
MM 50 µm
|
70 m (2000)
100 m (4700)
|
New build and Carry forward
|
|
OSA-Express7S 25GbE SR
|
0429
|
Carry forward
|
|||
|
OSA-Express7S 10GbE LR
|
0444
|
10
|
SM 9 µm
|
10 km
(6.2 miles) |
New build
|
|
OSA-Express6S 10GbE LR
|
0424
|
Carry forward
|
|||
|
OSA-Express5S 10GbE LR
|
0415
|
||||
|
OSA-Expess7S 10GbE SR
|
0445
|
10
|
MM 62.5 µm
MM 50 µm
|
33 m (200)
82 m (500)
300 m (2000)
|
New build
|
|
OSA-Expess6S 10GbE SR
|
0425
|
Carry forward
|
|||
|
OSA-Expess5S 10GbE SR
|
0416
|
||||
|
OSA-Express7S GbE LX
|
0442
|
1.25
|
SM 9 µm
|
5 km
(3.1 miles) |
New build
|
|
OSA-Express6S GbE LX
|
0422
|
Carry forward
|
|||
|
OSA-Express5S GbE LX
|
0413
|
||||
|
OSA-Express7S GbE SX
|
0443
|
1.25
|
MM 62.5 µm
MM 50 µm
|
275 m (200)
550 m (500)
|
New build
|
|
OSA-Express6S GbE SX
|
0423
|
Carry forward
|
|||
|
OSA-Express5S GbE SX
|
0414
|
||||
|
OSA-Express7S 1000BASE-T
|
0446
|
1000 Mbps
|
Cat 5, Cat 6
unshielded twisted pair (UTP)
|
100 m
|
New build
|
|
OSA-Express6S 1000BASE-T
|
0426
|
100 or 1000 Mbps
|
Carry forward
|
||
|
OSA-Express5S 1000BASE-T
|
0417
|
||||
|
25GbE RoCE Express2.1
|
0450
|
25
|
OM4
|
70 m (2000)
100 m (4700)
|
New build
|
|
25GbE RoCE Express2
|
0430
|
Carry forward
|
|||
|
10GbE RoCE Express2.1
|
0432
|
10
|
OM4
OM3
|
33 m (200)
82 m (500)
300m (2000)3
|
New build
|
|
10GbE RoCE Express2
|
0412
|
Carry forward
|
|||
|
10GbE RoCE Express
|
0411
|
||||
|
Parallel Sysplex
|
|||||
|
CE LR
|
0433
|
10 Gbps
|
SM 9 µm
|
10 km
(6.2 miles) |
New build & Carry forward
|
|
ICA SR1.1
|
0176
|
8 GBps
|
OM4
OM3
|
150 m
100 m
|
New build
|
|
ICA SR
|
0172
|
Carry forward
|
|||
1 The link data rate does not represent the performance of the link. The performance depends on many factors, including latency through the adapters, cable lengths, and the type of workload.
2 Where applicable, the minimum fiber bandwidth distance in MHz-km for multi-mode fiber optic links is included in parentheses.
3 A 600 meters maximum when sharing the switch across two RoCE Express features.
The unrepeated distances for different multimode fiber optic types for zHyperlink Express are listed in Table A-2.
Table A-2 Unrepeated distances
|
Cable type (modal bandwidth)
|
8 Gbps
|
|
OM3
(50 µm at 2000 MHz·km)
|
100 meters
|
|
328 feet
|
|
|
OM4
(50 µm at 4700 MHz·km)
|
150 meters
|
|
492 feet
|
The maximum unrepeated distances for FICON SX features are listed in Table A-3.
Table A-3 Maximum unrepeated distance for FICON SX features
|
Cable type/bit rate
|
1 Gbps
|
2 Gbps
|
4 Gbps
|
8 Gbps
|
16 Gbps
|
|
OM1
(62.5 µm at 200 MHz·km)
|
300 meters
|
150 meters
|
70 meters
|
21 meters
|
N/A
|
|
984 feet
|
492 feet
|
230 feet
|
69 feet
|
N/A
|
|
|
OM2
(50 µm at 500 MHz·km)
|
500 meters
|
300 meters
|
150 meters
|
50 meters
|
35 meters
|
|
1640 feet
|
984 feet
|
492 feet
|
164 feet
|
115 feet
|
|
|
OM3
(50 µm at 2000 MHz·km)
|
860 meters
|
500 meters
|
380 meters
|
150 meters
|
100 meters
|
|
2822 feet
|
1640 feet
|
1247 feet
|
492 feet
|
328 feet
|
|
|
OM41
(50 µm at 4700 MHz-km)
|
N/A
|
500 meters
|
400 meters
|
190 meters
|
125 meters
|
|
N/A
|
1640 feet
|
1312 feet
|
693 feet
|
410 feet
|
1 Fibre Channel Standard (not certified for Ethernet)
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