Charles Industries 31929E - Manual (Page 6)

Section 319–29E–202
6
S3
1 2
S4
DISABLE
A
I
S
S1
PWR
7.5 7.5
1 2 O
N
LP SC
S2
LOS
ALM
R
C
V
X
M
T
R
P
T
M
O
N
R
P
T
M
O
N
WESCOM
PWRG
T1
NIU
3192-9E
91-31929E
0.6V
ISS. 2
FA
ESF
NET
LOS
LB
CI
LOS
MLB
r
Figure 6. 3192–9E Front Panel Features and Options Location
Table 2. 3192–9E Front Panel Options Description
Feature/Option Location Description Function
FA (Fuse Alarm) Front Panel Red LED Indicates that the internal fuse on the 3192-9E has opened. The internal fuse is
not field replaceable.
NET LOS (Loss of
Signal) Front Panel Red LED Continuous: Indicates LOS (Loss Of Signal) from the network side.
Flash: Indicates receipt of AIS from the network side.
CI LOS (Loss of
Signal) Front Panel Red LED Continuous: Indicates loss of signal from the customer interface side.
Flash: Indicates sending of AIS to the network side.
LB (Loopback) Front Panel Amber LED Indicates that the unit is in the Loopback State.
ESF (Extended
Superframe) Front Panel Green LED Indicates ESF Framed signal from the network.
RCV RPT Front Panel Bantam Jack Isolates the DSX allowing access to repeater RCV DSX (OUT).
RCV MON Front Panel Bantam Jack RCV DSX (OUT) monitor jack.
+ Test Pins Front Panel Pin Jack Used for measuring span current and voltage.
– Test Pins Front Panel Pin Jack Used for measuring span current and voltage.
XMT RPT Front Panel Bantam Jack Isolates the DSX, allowing access to repeater XMT DSX (IN).
XMT MON Front Panel Bantam Jack XMT DSX (IN) monitor jack.
S1 PC Board 3 Position Slide
Switch 3Ćposition switch to select either PWR (line powering), SC (Sealing Current) or
LP (Looped Simplex) CI side power modes.
S2 Front Panel Front Panel Push-
button Switch S2 is the recessed front panel MLB (Manual Loopback) pushbutton switch to
manually activate or deactivate loopback.
S3 PC Board 2 Section Dip
Switch S3–1 enables or disables a LOS condition alarm detected by CI side.
S3–2 enables or disables the operation of the Customer Receive Side AIS gen-
erator
.
S4 PC Board 2 Section Switch Adjusts the transmit pad, allowing a transmit path loss of 0, 7.5 or 15 dB.