Table of Contents
Advertisement
DEFINITY Enterprise Communication Server Release 9
Installation and Maintenance for Survivable Remote EPN 555-233-121
2
SREPN Maintenance
Fault isolation procedures
10. Replace faulty component(s) and reconnect the original fiber. Be sure to
reconnect the fibers properly as noted in Step 7 in this
procedure''
11. Release the Expansion Interface circuit pack or Switch Node Interface
circuit pack (release board UUCSS).
12. If problems still exist after the Manual Loopback Procedure indicates that
both Expansion Interface circuit packs and both lightwave transceivers are
healthy, verify that each optical fiber is connected to a transmitter at one
end and a receiver at the other.
DS1 interface cable pinout
Table 2-11
CONV circuit pack to DS1 facilities.
Table 2-11. DS1 Interface Cable Connectors
Facility D Line In
Facility D Line In
Facility D Line Out
Facility D Line Out
Facility C Line In
Facility C Line In
Facility C Line Out
Facility C Line Out
Facility B Line In
Facility B Line In
Facility B Line Out
Facility B Line Out
Facility A Line In
Facility A Line In
Facility A Line Out
Facility A Line Out
section.
shows the pin assignments for the cable connecting the TN1654 DS1
Lead
Desig.
LID
LID*
LOD
LOD*
LIC
LIC*
LOC
LOC*
LIB
LIB*
LOB
LOB*
LIA
LIA*
LOA
LOA*
50-Pin
15-Pin
Connector
Connector
Pin #
Color
Plug 04
38
W-BL
13
BL-W
39
W-O
14
O-W
Plug 03
41
W-G
16
G-W
42
W-BR
17
BR-W
Plug 02
44
W-S
19
S-W
45
R-BL
20
BL-R
Plug 01
47
R-O
22
O-R
48
R-G
23
G-R
Issue 2
November 2000
2-36
''Manual loopback
Pin
Color
11
W-BL
03
BL-W
09
W-O
01
O-W
11
W-G
03
G-W
09
W-BR
01
BR-W
11
W-S
03
S-W
09
R-BL
01
BL-R
11
R-O
03
O-R
09
R-G
01
G-R
Continued on next page
Advertisement
Table of Contents
