Grass Valley NV8500 Series v.3.5 - Manual (Page 61)

45
NV8500 Series
User’s Guide
The SFP modules in the upper bay face left and have the “B” port at the top whereas the SFP
modules in the lower bay face right and have the “B” port at the bottom. Figure 2-14 shows this:
Fig. 2-14: SFP Modules in Output Backplanes
Persons who connect SFP modules to CWDM multiplexers should be aware of the difference in
orientation.
Figure 2-14 also shows a suggested ordering for the SFP wavelengths. It is not the only ordering
possible, but it has the advantage of being uniform and identical in both orientations. A fiber-
optic backplane module thus populated can be used in either the upper or lower bays.
 The orientation of SFP modules in input backplane modules is not an issue. Input cards can
use standard SFP modules having two 1310
nm ports in all cases.
SFP Modules in NV8576-Plus Frames
NV8576-Plus frames use expansion output cards and backplane modules. Expansion output
backplane modules have 5 SPF modules supporting 9 SFP ports. The last port of the last module
is not used.
Inputs
Outputs
Inputs
Outputs
n+1
n+2
n+3
n+4
n+5
n+6
n+7
n+8
n+9
n+10
n+11
n+12
n+13
n+14
n+15
n+16
n+17
n+18
In Upper Bay In Lower Bay
1611
1591
λ (nm) Port
1571
1551
1531
1511
1491
1471
1451
1431
1411
1391
1371
1351
1331
1311
1291
1271
B
A
A
B
NV8576 Frame
n+1
n+2
n+3
n+4
n+5
n+6
n+7
n+8
n+9
n+10
n+11
n+12
n+13
n+14
n+15
n+16
n+17
n+18
1271
1291
Port
1311
1331
1351
1371
1391
1411
1431
1451
1471
1491
1511
1531
1551
1571
1591
1611
λ (nm)