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TELEPHONE INTERFACE MODULE (TIM)
14-7
Figure 14-7 TYPE II TRUNK-TRUNK
14.2.8 TYPE V TRUNK-TO-TRUNK
This interface is a cross-connect between the
trunk circuits. Four conductors are balanced audio and
the M-Lead and E-Lead conductors are cross-
connected (see Figure 14-8).
Figure 14-8 TYPE IV TRUNK-TRUNK
14.3 LED STATUS FOR E&M LEADS
14.3.1 TELCO SIDE STATUS
The Telco Side Status can be monitored on
CR206 (M-Lead) and CR204 (E-Lead) see Figures
14-9 and 14-21. These LEDs are used to show a status
change on the Telco side of the E&M Personality
Board. In some instances either or both could be illu-
minated in the idle state.
Figure 14-9 E&M PERSONALITY BOARD
14.3.2 E&M LOGIC STATUS
The status of E&M Logic can be monitored on
CR401 (E-Lead) and CR403 (M-Lead) of the main
board (see Figure 14-10). These are logic levels that
display the true status of the E&M leads. If either LED
is illuminated, that lead is active. Both LEDs should
not illuminate in the idle state.
Figure 14-10 MAIN BOARD
TRUNK
CIRCUIT
E-LEAD
M-LEAD
RX AUDIO
TX AUDIO
TR1
RR1
T1
R1
E-LEAD
M-LEAD
RNT
SIGNALING
CIRCUIT
SB
SG
SB
SG
TRUNK
CIRCUIT
E-LEAD
M-LEAD
RX AUDIO
TX AUDIO
TR1
RR1
T1
R1
E-LEAD
M-LEAD
RNT
SIGNALING
CIRCUIT
Содержание 3000 SERIES
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Страница 20: ...3000 SERIES SWITCH 2 6 This page intentionally left blank ...
Страница 26: ...ARCHITECTURE 3 6 This page intentionally left blank ...
Страница 58: ...CALL PROCESSOR 5 4 This page intentionally left blank ...
Страница 76: ...BASIC BOARD MODULE BBM 7 14 This page intentionally left blank ...
Страница 83: ...CHANNEL INTERFACE MODULE CIM 8 7 Figure 8 3 SUMMATION BOARD ALIGNMENT POINTS DIAGRAM ...
Страница 84: ...CHANNEL INTERFACE MODULE CIM 8 8 This page intentionally left blank ...
Страница 88: ...CONVENTIONAL CHANNEL MODULE CCM 9 12 This page intentionally left blank ...
Страница 92: ...DISPATCH CHANNEL MODULE DCM 10 4 This page intentionally left blank ...
Страница 100: ...DISPATCH INTERFACE MODULE DIM 11 8 This page intentionally left blank ...
Страница 142: ...TELEPHONE INTERFACE MODULE TIM 14 32 This page intentionally left blank ...
Страница 146: ...VOTER DIAGNOSTICS MODULE VDM 15 4 This page intentionally left blank ...
Страница 148: ...POWER TERMINATION MODULE PTM 16 2 Figure 16 1 POWER TERMINATION MODULE ALIGNMENT POINTS DIAGRAM ...
Страница 156: ...VOICE TONE MODULE VTM 18 4 This page intentionally left blank ...
Страница 164: ...WIDE AREA MODULE WAM 19 8 This page intentionally left blank ...
Страница 174: ...CONVENTIONAL PATCH MODULE CPM 21 4 This page intentionally left blank ...
Страница 178: ...POWER SUPPLY 22 4 Figure 22 6 POWER SUPPLY DRAWER ...
Страница 196: ...INTERCOM 24 2 This page intentionally left blank ...
Страница 200: ...ERROR MESSAGES A 4 This page intentionally left blank ...
Страница 214: ...Part Number 001 3139 005 10 03 Printed in U S A ...