800-357-104-01, Revision 01
HMS-357 List 4 and List 5
September 29, 2000
17
OC-3
After installing the LIU, proceed the cable installation.
Figure 11.
Installing Cables for Dual Subtended STS-1 Multiplexers from an OC-3 Network (Backplane View)
Step
Procedure
Installer Check
ü
ü
ü
ü
4
Connect the 32-pair shielded amphenol female connector to P11, HDSL LOOP A and route to the field
MDF.
“Drain Wire and Cable Tie Installation” on page 9
for proper installation of all amphenol
connectors.
H
5
Connect the 32-pair shielded amphenol female connector to P12, HDSL LOOP B and route to the field
MDF.
H
6
Connect one end of a 32-pair shielded amphenol female connector to P15, DSX-1 (IN) LINE CARD
and connect the other end to P14, DSX-1 (OUT) MUX.
H
7
Connect one end of a 32-pair shielded amphenol female connector to P16, DSX-1 (OUT) LINE CARD
and connect the other end to P13, DSX-1 (IN) MUX.
H
8
Connect the DS3 coaxial cable from System A DS3 OUT to the Module A DS3 IN connector of subtended
STS-1, System A.
H
9
Connect the DS3 coaxial cable from System A DS3 IN to the Module A DS3 OUT connector of subtended
STS-1, System A.
H
10
Connect the DS3 coaxial cable from System B DS3 OUT to the Module B DS3 IN connector of subtended
STS-1, System B.
H
11
Connect the DS3 coaxial cable from System B DS3 IN to the Module B DS3 OUT connector of subtended
STS-1, System B.
H
Installer Signature
?
?
?
?
Date
10BaseT HMU
OSS RS-232 PORT
AUX RS-232 PORT
10Base2
HMU
RT
-48
-48
RT
INPUT POWER: -48V, 30A MAX
FGN
MODULE A
MODULE B
DS3
DS3
OUT
!
PairGain
LIU
A-
TB5
SHIELD
SHIELD
B+
B-
SHIELD
DSX-1
FAN
TB6
1
2
1
1
1
2
2
P2
P1
7
7
8
8
MUX 2
ACTIVE
MUX
(DEFAULT)
2
R
RING
T
TIP
BITS TIMING
TEST ACCESS
TB4
TB3
SSCI
EX
T ACO
SSC2
TB2
SYS ID
MIN VIS
MIN AUD
MAJ VIS
MAJ AUD
CRT VIS
NO
COM
NC
CRT AUD
COM
NO
A+
RX
TX
P15
P16
P14
P13
P11
P12
Alarms, Test Access,
and MUX Jumpers
MODULE A
DS3
DS3
OUT
To subtended STS-1
Module A
System A
To subtended STS-1
Module A
System B
LIU
UNDER THIS COVER
MAY BE PRESENT
VOLTAGES UP TO 200 VDC
CAUTION:
!
8
7
5
GROUP 1
GROUP 1
10
LINE (LOOP B) TIP
K
L
LINE (LOOP A) TIP
E
F
J
H
C
D
DSX (RCV TO MUX) TIP
B
A
DSX (XMT FROM MUX) TIP
3192 MECH
DSX (RCV TO MUX) RING
LINE (LOOP B) RING
LINE (LOOP A) RING
4
3
DSX (XMT FROM MUX) RING
2
6
9
TO CO MDF
DSX-1 (IN)
DSX-1 CONFIGURATION
TO FIELD MDF
HDSL LOOP A
TO CO MDF
DSX-1 (OUT)
TO FIELD MDF
HDSL LOOP B
ALARMS
-48VDC
DS3 CONFIGURATION
DSX-1/DS3 CONFIGURATION
1
DSX-1 (IN)
TO FIELD MDF
HDSL LOOP A
DSX-1 (OUT)
TO FIELD MDF
HDSL LOOP B
ALARMS
-48VDC
TO CO MDF
DSX-1 (IN)
TO FIELD MDF
HDSL LOOP A
TO CO MDF
DSX-1 (OUT)
TO FIELD MDF
HDSL LOOP B
ALARMS
-48VDC
TO MDF
MUX DSX-1
(OUT)
TO MDF
MUX DSX-1
(IN)
DSX-1 (OUT)
DSX-1 (IN)
-48VDC
ESD strap input
Chassis ground
RTN
10BaseT HMU
OSS RS-232 PORT
To field MDF
HDSL Loop A
P11
DSX-1 (Out)
To field MDF
HDSL Loop B
P16
OC-cables (front)
DSX-1 (In)
DSX-1 (In)
