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Raisecom
iTN2100 (P100R002) Hardware Description
6 SDH aggregation card
Raisecom Technology Co., Ltd.
30
6.1.3 Interfaces
Interface types
There are five interfaces on the OPCOM3500E-2STM1/4-M panel, as shown in Table 6-1.
Table 6-1
Interfaces on the OPCOM3500E-2STM1/4-M panel
Interface
Type
Description
–
MiniUSB
Debugging interface
1, 2
SFP optical
interface
Service uplink interface.
TX indicates sending and RX indicates receiving.
SYNC-RX
CC3 male interface
2 Mbit/s or 2 MHz clock synchronization input
interface. You can set it to 2 Mbit/s or 2 MHz
through software.
SYNC-TX
CC3 male interface
2 Mbit/s or 2 MHz clock synchronization output
interface. You can set it to 2 Mbit/s or 2 MHz
through software.
Interface parameters
Table 6-2 lists parameters of interfaces 1 and 2 on the OPCOM3500E-2STM1/4-M.
Table 6-2
Parameters of interfaces 1 and 2 on the OPCOM3500E-2STM1/4-M
Parameter
Description
Optical module
SFP
Interface rate
STM-1 or STM-4, configurable
Line code
NRZ
Multiplexing structure
Comply with ITU-T G.707 recommendations.
Jitter
Comply with ITU-T G.783 and ITU-T G.825
recommendations.
Optical interface parameters
Comply with ITU-T G.957 recommendations.
Table 6-3 lists parameters of the clock interfaces on the SYNC-RX/SYNC-TX, as listed in
Table 6-3 and Table 6-4.
Table 6-3
Parameters of 2 Mbit/s clock interface on the OPCOM3500E-2STM1/4-M
Parameter
Description
Connector
CC3 male connector (unbalanced)