Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL DS-562NC RFL Electronics Inc.
July 5, 2012 16 (973) 334-3100
Table 7. Controls and indicators, DS-562NC
Item Name/Description Function
1 LED indicator (green)
ADR EN: Lights when the transmit address is enabled (not set to 0). Used in 56K mode only.
2 LED indicator (green)
ADR VLD: Lights when the receive address is enabled (not set to 0) and matches the address
embedded in the T1/E1 signal. Used in 56K mode only.
3 LED indicator (red) EQ LB: Lights when the equipment loopback is enabled.
4 LED indicator (red) PL LB: Lights when the payload loopback is enabled.
5 LED indicator (green) RX: Lights when the DS-562NC is receiving data from the remote equipment
6 LED indicator (green) TX: Lights when the DS-562NC is transmitting data to the remote equipment
7 LED indicator (green) SVC: Lights when the DS-562NC’s service is enabled.
8 Switch SW12
This is a three position toggle switch:
UP: Sets the board to equipment loopback.
CENTER: Normal operation (no loopback, but can be overridden remotely
).
DOWN: Sets the board to payload loopback.
NOTE: If this unit is used for protective relay
i
ng applications, disable the protection
equipment before using loopbacks.
SW2-1 to SW2-5 Sets T1/E1 timeslot, see Table 9.
SW2-6 (TERM)
Sets the T1/E1 transmit bus direction.
ON (Down) – Transmit on ‘A’ (receive on ‘B’) drop/insert
m
u
ltiplexer or operates in a terminal multiplexer.
OFF (Up) – Transmit on ‘B’ (receive on ‘A’) drop/insert
mu
ltiplexer.
9 Piano Switch SW2
SW2-7 (CAS)
Selects the carrier type (default is T1)
ON (Down) – selects E1 (sets CAS ON for E1 only)
OFF (Up) – E1 is disabled (for T1 or E1 non-CAS)
SW3-1 to SW3-5 Selects the number of Timeslots used (N-Baud),
SW3-6
Selects either 56 or 64Kbps mode.
ON (Down) – 56Kbps mode (support of N=1 only)
OFF (Up) – 64Kbps mode (support of N=1 to 24/31)
SW3-7
Sets the DS-562NC for local or remote mode:
ON (Down) – Remote (settings obtained from SCB).
OFF (Up) – Local.
10 Piano Switch SW3
SW3-8
Sets the DS-562NC service to ON or OFF:
ON (Down) – Service OFF (board disabled).
OFF (Up) – Service ON (board enabled).
Note that any DS-562NC module intended to be used as a spare
within a sy
stem
must have the service switch set to “Disabled”.
11 DIP Switch SW1
SW1-1 to SW1-6 Sets the SCB Address, see Tab
le 8.
12 DIP Switch SW4
SW4-3 to SW4-8 Sets the transmit address – 56Kbps only, see table 11:
SW5-2
Sets receiver Squelch – 56K only:
ON – Enabled
OFF – Disabled
13 DIP Switch SW5
SW5-3 to SW5-8
Sets the receive address – 56Kbps only, see table 11:
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