Nortel NT1R20 Description page 169

Figure 35
Line-side E1 card—E1 protocol dip switch locations
C61
C57
U87
U78
NT5D33 and NTRB34 Line-side E1 Interface Cards
C64 U76
U59
Y2
C63
C73
C62
U92
U75
U57
U91
C60
C59
U89
U90
U55
U74
RP17
U88
C58
C56
U86 U73
U54
C54
U85 U72
C74
C53
U84 U71
U83
C51 U70
U53
C49
U69
U82
U51
U81
U68
C39
C47
U80 U67
C46
U79
U65
U66
C42
C44
C41
U77
U64 U62 RP16
U63
C45 C43
R20
C36
U61
U60
R19
C35
C31
U58
U46
C32
C30
RP15
C33
U56
U45
C72
U44
U42
U43
RP14
U40
C29
U41
C28
U39
RP13
U37
U38
U36
U52
C40
C27
U35 U34
RP12
RP11
U50
U33
RP10
C38
C26
U32
C68
U31
U49
C67
U30
C37
RP8 RP9
C71
U28
U29
U47
U48
RP7
U27
C34 C25 U26
R26
U24
C69
U25
R25
Page 145 of 290
C75
U12
ON
OFF
1 8 1 8
S1 S2
U11
C21
U10
D6 D7
U23
R14 R13
T3
U9
D4D5
C20
C10 C9
R12
C19 C22
Y1
C18
U22
C16
C17
U21
RP6
U20
U19
U18
U17
C3
U2
C15 C76
U16
C2
C77
U1
U15
C1
R4
R27
R3
R2 R1 K3
T2
RP5 U14
D3
T1
C14
K2
R18 R17 R 16 R15
C13 D2
U13
C70
X1
K1
D1
Line cards Description
dip
switches