User manual

Beijing Raisecom Science & Technology Co., Ltd.
http://www.raisecom.com
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2.2.1 Point-to-point Fractional Mode, ‘Master Clock – Slave
Clock’ Topology
When connecting Routers or other V.35 interface equipment point to point, Routers shall work as
DTE. For the convenience of installation and test, it is advised to set the local modem ‘Master
Clock Mode’, and remote modem ‘Slave Clock Mode’. That is, the timing resource is from the
local modem.
RC802-30B-FV35 RC801-30B-FV35
Optical
Fiber
Router
Router
V.35 DTE wire
V.35 DTE wire
Master Clock
(Timing Resource)
Slave Clock
2.2.2 Point-to-point Fractional Mode, ‘Terminal Clock –
Slave Clock’ Topology
When the remote DTE must follow the timing resource of local DTE (the TX Clock is Internal
Clock in local DTE), it is advised to set the local RC802-30B-FV35 Terminal Clock, and remote
RC801-30B-FV35 Slave Clock Mode.
RC802-30B-FV35 RC801-30B-FV35
Optical
Fiber
Router
Router
V.35 DTE wire
V.35 DTE wire
Terminal Clock
Slave Clock
(Timing Resource)
2.2.3 Point-to-point Transparent Mode, ‘Master Clock –
Master Clock’ Topology
When working at Transparent E1 Mode, both sides equipment can be set to Master Clock Mode.