Raisecom
ISCOM5508 (B) Hardware Description
4 Pluggable modules
Raisecom Technology Co., Ltd.
37
4.3 PON SFP optical module
4.3.1 Functions and appearance
The PON SFP optical module can be applied to the PON system. It is integrated with sending
and receiving features. There are two types of PON SFP optical modules:
OLT optical module
ONU optical module
Figure 4-4 shows the appearance of the PON SFP optical module.
Figure 4-4
PON SFP optical module
4.3.2 Label
The EPON interface on the ISCOM5508 supports the optical module compliant with the
1000BASE-PX20-D standard.
There is a label on the bottom of the SFP optical module, which describes the model of the
SFP optical module, as shown in Figure 4-5.
Figure 4-5
Label of the PON SFP optical module
Table 4-4 describes the model of the PON SFP optical module.
Table 4-4
Model of the PON SFP optical module
Field
Description
GSFP
Internal identifier, indicating it is a PON SFP module
PX20
Comply with PX20+ specification.
D
Downstream direction, indicating it is an OLT optical module
M
Support link monitoring.
03
Internal identifier, different values of which indicate the same
function
R
Comply with RoHS.