Series Indicators And Switches; Model 3510 Faceplate - Paradyne Comsphere 3510 User Manual

COMSPHERE 3500 Series Data Service Units
3510
Name
OK Normal Operation
OS/NS Out-of-Service/No Signal
TEST Test
REM Remote
1
If the DSU has been placed in a Network Loopback, then both the OK and OS/NS indicators will be lit (the
TEST and REM indicators will also be lit).
3-2
TEST
TP
OK OS/NS TXD RXD RTS CTS DSR LSD
103 104 105 106 107
Figure 3-1. Model 3510 Faceplate
Table 3-1
(1 of 3)

3500 Series Indicators and Switches

Definition
July 1999
REM FAIL/STR/DSBL
PASS
LL
DL
109
Function
This green indicator lights when the DSU is
connected to the digital network or LADS and is
operating normally. It goes Off if the OS/NS
1
alarm indicator is active.
This red indicator signals a network failure:
OS – Slow flash when Out-of-Service or
Out-of-Frame messages are received from
the network.
NS (No Signal) – Rapid flash when DSU is
not receiving signals from the network.
This yellow indicator lights whenever the digital
network or a remote DSU initiates testing, or the
local TP, LL, DL, or RL key is pressed to start
testing. The test indicator flashes while tests are
being set up or taken down.
This yellow indicator lights whenever a test
request is received from a remote DSU or the
digital network.
RL
2.4/4.8 19.2/38.4
9.6 SPEED 56/64
496-12301-01
3510-A2-GN32-70