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Installation
58
025-9416
q
2.
Connect the leads for each Model 640 trunk as shown in Figure 23, using standard 26
AWG wire-wrap wire. Wiring configuration varies by telephone line type. The figure
above shows the wiring configuration for an E&M 4-wire telco punchdown block.
Notes:
Many applications do not require all six of the available phone line pins. For
example, a typical 2-wire telco interface only requires the TIP and RING leads for
each trunk. Contact the telephone service provider to determine the line types and
punchdown configuration.
It may be wise to wire up all six leads and then use bridging clips to connect only the
necessary leads. That way, any future changes in the telco line type will not require
complete rewiring of the paging terminal interface.
Table 8. E&M 4-Wire Type I TELCO / PABX Interface
RJ21X
pinout
Trunk
#
Signal
Name
Wire Color
(Body/Stripe)
RJ21X
pinout
Trunk
#
Signal
Name
Wire Color
(Body/Stripe)
1
1
RING
BLU / WHI
26
1
TIP
WHI / BLU
2
1
RING1
ORG / WHI
27
1
TIP1
WHI / ORG
3
1
M
GRN / WHI
28
1
E
WHI / GRN
4
2
RING
BRN / WHI
29
2
TIP
WHI / BRN
5
2
RING1
SLA / WHI
30
2
TIP1
WHI / SLA
6
2
M
BLU / RED
31
2
E
RED / BLU
7
3
RING
ORG / RED
32
3
TIP
RED / ORG
8
3
RING1
GRN / RED
33
3
TIP1
RED / GRN
9
3
M
BRN / RED
34
3
E
RED / BRN
10
4
RING
SLA / RED
35
4
TIP
RED / SLA
11
4
RING1
BLU / BLK
36
4
TIP1
BLK / BLU
12
4
M
ORG / BLK
37
4
E
BLK / ORG
13
5
RING
GRN / BLK
38
5
TIP
BLK / GRN
14
5
RING1
BRN / BLK
39
5
TIP1
BLK / BRN
15
5
M
SLA / BLK
40
5
E
BLK / SLA
16
6
RING
BLU / YEL
41
6
TIP
YEL / BLU
17
6
RING1
ORG / YEL
42
6
TIP1
YEL / ORG
18
6
M
GRN / YEL
43
6
E
YEL / GRN
19
7
RING
BRN / YEL
44
7
TIP
YEL / BRN
20
7
RING1
SLA / YEL
45
7
TIP1
YEL / SLA
21
7
M
BLU / VIO
46
7
E
VIO / BLU
22
8
RING
ORG / VIO
47
8
TIP
VIO / ORG
23
8
RING1
GRN / VIO
48
8
TIP1
VIO / GRN
24
8
M
BRN / VIO
49
8
E
VIO / BRN
25
CHASSIS GROUND
SLA / VIO
50
CHASSIS GROUND
VIO / SLA
Notes on Table 8:
1. Colors are abbreviated as follows:
BLK = black
BLU = blue
BRN = brown
GRN = green
ORG = orange
VIO = violet
SLA = slate (grey)
2. The E (ear) leads provide “to telco” supervision. The M (mouth) leads provide “from telco” supervision.
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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