General DataComm SpectraComm V.34 Installation & Operation Manual page 29

Dual modem
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Installation
OPTION JUMPER LOCATION
MODEM "A"
MODEM "B"
SHELF BACKPLANE TYPES
J32
J31
J30
J48
J47
J46
J16
J15
J14
SETTING X3, X4 OPTIONS
With MODULAR backplanes or
UNIVERSAL MASS TERM backplanes:
010M054-001
010M055-001
010M056-001
010M070-001
MODEM A
Switched Network
Factory
Default
Settings
MODEM B
Switched Network
Figure 2-1
060R122-000
Issue 15
SC DUAL V.34 MODEM
X3
SN
PL
X4
SN
PL
(See details below)
MODULAR
BACKPLANE
UNIVERSAL MASS TERM
J29
J28
J27
J26
J25
J24
J23
J22
J21
J20
J19
J18
J17
J45
J44
J43
J42
J41
J40
J39
J38
J37
J36
J35
J34
J33
J13
J12
J11
J10
J9
J8
J7
J6
J5
J4
J3
J2
J1
010M073-001
010M210-001
010M074-001
010M210-002
010M075-001
010M211-001
010M076-001
010M211-002
MODEM A
Private Line
X3
X3
SN
PL
MODEM B
Private Line
X4
X4
SN
PL
Setting SC Dual V.34 Option Jumpers
SpectraComm Dual V.34 Modem
Installation and Operation
NON-UNIVERSAL MASS TERM
BACKPLANE
J19
J18
J17
J22
J21
J20
With NON-UNIVERSAL
MASS TERM backplanes:
010M057-001
010M058-001
010M059-001
010M071-001
MODEM A
Switched Network
X3
SN
PL
MODEM B
Switched Network
X4
SN
PL
BACKPLANE
J20
J19
J18
J17
MODEM A
Private Line
X3
SN
SN
PL
PL
MODEM B
Private Line
X4
SN
SN
PL
PL
2-3

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