Avaya DEFINITY SERIES - Page 92

DEFINITY Enterprise Communication Server Release 9
Installation and Maintenance for Survivable Remote EPN
555-233-121
Issue 2
November 2000
SREPN Maintenance
2-38110 block cross-connect pins
2
Figure 2-20 shows the pinout and cross-connections for the SREPN.
Figure 2-20. SREPN pinout and connections
Figure Notes
1. Switches to ground after link failure
(approximately 3 minutes)
2. Momentary closure after 3 minutes
A-PNC
B-PNC
A
BEI
EI
EI
SRP
TN 2301
SR Switch
Latch
Latch
Reset
TN 790
processor
R6R PPN
47
SRPresent (V-BR) (W-G) Aux_Alm_3
48
41
42
43
44
24
46
23
SRActive (BR-V)
-48v. Rt (BL-V)
SRCnt1 (V-O)
SRCntRt (O-V)
CustRtn (O-BK)
PwrFail (G-V)
-48v. (V-BL)
5
7
41
42
45
46
4
3
(W-BR) Aux_Alm_4
(V-BL) Grd
(BL-V) -48v.
-48v.
(V-G) Ext_Alm
(G-V) Ext_Alm_Rt
(O-W) Grd
(W-O) Aux_Alm_2
Maintenance/Test
TN775C
EPN
Aux
EPN
Aux_Alm_2 (W-O)
"Y" cable
3
46
Ext_Alm_Rt (G-V)
Ext_Alm (V-G)
45
CustA (BK-O)
SR Switch
SRP Aux
1
2
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