Raisecom RC831-60-FV35 Series User Manual page 21

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the same time. Only when at least 1 timeslot is enabled, will the framing be realized.
4.1.2.2 Function setting switch SW5
In the tables below, "√" indicate Enable; "×" indicates Disable.
SW5 definition:
Bit 1
Definition Timing1
ON *
OFF *
The operation manner of the clock of the device is decided by bit1 and bit2 of SW5, the definition is
shown in the table below:
Bit 1
OFF
OFF
ON
ON
Bit 3
ON
OFF
The following requirements must be satisfied before having the local timeslot setting follow the
remote timeslot setting.
1) The devices of this series are applied in pair and they are deployed point to point.
2) There is no PCM equipment that occupies the Sa4 bit series connecting in the E1 link
3) The local device must be set to be working with line-in clock mode.
After the above requirements being satisfied, please turn ON the switch for timeslot auto-following
function of the local device to enable the auto-following function. Then, the timeslot occupation and
Bit 2 Bit 3
Timing2 TS_FLOW
Timeslot follow
*
√
*
×
Bit 1~2: clock mode selection switch Timing 1 and Timing 2 (default both ON)
Bit 2 Clock Mode
OFF Internal clock (internal timing)
ON V.35 terminal clock (timing follows the V.35 interface)
OFF
ON Line-in clock (timing follows E1 line)
Bit 3: timeslot auto-following function switch TS_FLOW(default OFF)
Timeslot auto-following function
Enable
Disable
Bit 4 Bit 5
BERT RX CLK phase
Bit error
testing
Negative
√
Positive
×
User Manual
Bit 6 Bit 7
Fault pass-through Local or Remote
loopback setting
E1 local
√
E1 remote
×
14
Bit 8
Enable or
disable
loopback
loopback
NO loopback