Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL DA-121I RFL Electronics Inc.
February 10, 2000 6 (973)
334-3100
Table 1. Controls and indicators, RFL DA-121I Module
Item Name/Description Function
1 TX LED 1 (green), DS2 Lights when Channel 1 is transmitting
2 TX LED 2 (green), DS3 Lights when Channel 2 is transmitting
3 TX LED 3 (green), DS4 Lights when Channel 3 is transmitting
4 TX LED 4 (green), DS5 Lights when Channel 4 is transmitting
5 TX LED 5 (green), DS6 Lights when Channel 5 is transmitting
6 TX LED 6 (green), DS7 Lights when Channel 6 is transmitting
7 TX LED 7 (green), DS8 Lights when Channel 7 is transmitting
8 RX LED 1 (green), DS10 Lights when Channel 1 is receiving
9 RX LED 2 (green), DS11 Lights when Channel 2 is receiving
10 RX LED 3 (green), DS12 Lights when Channel 3 is receiving
11 RX LED 4 (green), DS13 Lights when Channel 4 is receiving
12 RX LED 5 (green), DS14 Lights when Channel 5 is receiving
13 RX LED 6 (green), DS15 Lights when Channel 6 is receiving
14 RX LED 7 (green), DS16 Lights when Channel 7 is receiving
15 LOC Loopback LED (red), DS18 Lights when module is in Local Loopback mode
16 REM Loopback LED (red), DS19 Lights when module is in Remote Loopback mode
17 Toggle Switch, SW4 (3-position) UP position Selects Local Loopback
MIDDLE position Selects Normal Mode
DOWN position Selects Remote Loopback
18 DIP Switch, SW1 SW1-1 to SW1-6 Selects SCB Address (See Table 2)
SW1-7 Selects Local or Remote control
UP = Local Control
DOWN = Remote Control
SW1-8 Selects module service ON or OFF
UP = Service ON
DOWN = Service OFF
19 DIP Switch, SW2 SW2-1 to SW2-5 Selects Time Slot (See Table 3)
SW2-6 Selects CAS ON or OFF
UP = CAS OFF
DOWN = CAS ON
SW2-7 Not Used
SW2-8 Selects Bus A or Bus B
20 Service LED (green), DS1 Lights when service is ON
21 Jumper array, J1 For factory use only
22 Jumper J2 For factory test only using ACTEL Probe
23 Test point, TP1 Channel 1 TX local data
24 Test point, TP2 Channel 2 TX local data
25 Test point, TP3 Channel 3 TX local data
26 Test point, TP4 Channel 4 TX local data
27 Test point, TP5 Channel 5 TX local data
28 Test point, TP6 Channel 6 TX local data
29 Test point, TP7 Channel 7 TX local data
30 Test point, TP9 Channel 1 RX local data
31 Test point, TP10 Channel 2 RX local data
32 Test point, TP11 Channel 3 RX local data
33 Test point, TP12 Channel 4 RX local data
34 Test point, TP13 Channel 5 RX local data
35 Test point, TP14 Channel 6 RX local data
36 Test point, TP15 Channel 7 RX local data
37 Test point, TP17 +5 VDC
38 Test point, TP0 Ground
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