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Installation
52
025-9416
Pin #
Label
Description
12
M-D
M (mouth) lead for trunk D
26
TIP 1-A
tip lead 1 for trunk A
27
TIP 2-A
tip lead 2 for trunk A
28
E-A
E (ear) lead for trunk A
29
TIP 1-B
tip lead 1 for trunk B
30
TIP 2-B
tip lead 2 for trunk B
31
E-B
E (ear) lead for trunk B
32
TIP 1-C
tip lead 1 for trunk C
33
TIP 2-C
tip lead 2 for trunk C
34
E-C
E (ear) lead for trunk C
35
TIP 1-D
tip lead 1 for trunk D
36
TIP 2-D
tip lead 2 for trunk D
37
E-D
E (ear) lead for trunk D
Ground Reference and Lightning Protection
TELCO or PABX interfaces to the Model 640 should always include a ground reference connec-
tion. Ground start and E&M wink start applications cannot operate reliably without this ground
reference.
To ground the cabinet chassis to a common earth connection, use any of the screws holding the
rear panel in place and connect to the telephone demarcation block ground point, using 16 AWG
wire or larger. Tying two or three overhand knots in the wire inductively blocks lightning paths
from the telephone equipment, but may also block RF grounding.
CAUTION
The Model 640 does not provide any integrated lightning defense. Use additional equip-
ment, such as Zetron’s Deadbolt, to protect your investment.
Installation Interface Assembly
The optional installation interface assembly (Part No. 950-9334) provides all of the hardware
necessary for easy connection to the telco and the radio station equipment. The kit includes a
terminal block adapter board (Part No. 702-9470) that plugs directly into the RJ21 connector on
the rear of the Model 640. The adapter provides two male, 12-pin, Weidmuellers for connection
to the radio station (separate analog and digital) and four standard, 6-wire, phone jacks for telco
connections.
Terminal Block Adapter Installation
Follow the steps below to install the terminal block adapter on the rear panel of the Model 640.
q
1.
Power-down the paging terminal.
Содержание 640 DAPT XTRA
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Страница 197: ...Parts Lists and Schematics 025 9416 185 COMPONENT LOCATIONS Dual Dial Click 702 9119C Dual MF 702 9197D 1...
Страница 198: ...Parts Lists and Schematics 186 025 9416 RAM Disk 702 9386B ROM Disk 702 9389B...
Страница 199: ...Parts Lists and Schematics 025 9416 187 TNPP Interface 702 9362C 2...
Страница 200: ...Parts Lists and Schematics 188 025 9416 Terminal Block Adapter 702 9470B...
Страница 201: ...Parts Lists and Schematics 025 9416 189 CONFIGURATION DIAGRAMS Dual Trunk Telco DID 024 0076A...
Страница 202: ...Parts Lists and Schematics 190 025 9416 Dual Trunk Telco End to End 024 0077A...
Страница 203: ...Parts Lists and Schematics 025 9416 191 Dual Trunk Telco E M 024 0078A...
Страница 204: ...Parts Lists and Schematics 192 025 9416 Dual Trunk Telco Ground Start 024 0079A...
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