Product Description
Memotec Inc.
4-31
CAUTION:
:
Use a two-wire cable for FXS connections.
In rare circumstances,
your telephone or fax may not work if you use a four-wire cable. Should this
occur,
replace the four-wire cable with a two-wire cable
. If the problem
persists, contact Technical Support.
NOTE:
You must install a ferrite on each cable connected to an FXS or FXO port
on an SDM-9220 UAC or SDM-9230 UAC installed in the European
Union or Russia.
These ferrites are
not
provided with the SDM-9220/
9230product package. For instructions, turn to
.
4.10.8
E&M Interface Card
Use an RJ-45 cable provided in the product package to make an analog PBX tie-line
connection on an E&M interface card.
This cable is a solid wire cable with 8 conductors and RJ-45 plugs (8 pins) at both ends.
Four RJ-45 to RJ-45 cables are provided for each E&M interface card.
The following table describes the RJ-45 pinout for an E&M port.
NOTE:
The pinout functions on an E&M/PTT port are slightly different from that of a
standard E&M port.
Pin No.
Usage
Description
1
SB
Signal Battery. Return for M Signal
2
M
Control Signal from PBX
3
R1
Voice from PBX (Transmit Ring)
4
R
Voice to PBX (Receive Ring) two-wire connection
5
T
Voice to PBX (Receive Tip) two-wire connection
6
T1
Voice from PBX (Transmit Tip)
7
E
Control Signal to PBX
8
SG
Signal Ground
Table 4-10: RJ-45 Pinout for E&M Interface Card
Содержание NetPerformer SDM-9 Series
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Страница 27: ...3 Memotec Inc 3 1 Hardware Installation ...
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Страница 63: ...4 Memotec Inc 4 1 Product Description ...
Страница 99: ...5 Memotec Inc 5 1 Serial Port and User Equipment Connections ...
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Страница 109: ...6 Memotec Inc 6 1 Troubleshooting Tips ...
Страница 113: ...A Memotec Inc A 1 Appendix A Warranty Information This appendix explains the conditions of the product warranty ...
Страница 117: ...B Memotec Inc B 1 Appendix B Compliance Information and Safety Warning ...
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Страница 133: ...Memotec Inc B 17 Compliance to China RoHS ...
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