Datatek DT-4180 User Manual
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13.7 4000XA, 4180, 4280 - Cabling to an AT&T SAC E2A Remote
The 4000XA, 4180 and 4280 are able to accept the E2A protocol on any of its ports. The
AT&T SAC is an E2A remote interface for discrete scan points.
The AT&T SAC presents a DB25 Male connector. A special adapter depicted below
must be used to interface to the AT&T SAC. In addition, the port is configured as
prot=E2A, DXE=DTE, and PAP=ON. The originate and receive options for the port are
dependent on the deployment.
1 2 3 4 5 6 7 8
RJ45 Female Pin Numbering
RJ45
1
2
3
4
5
6
7
8
4180 & 4280 to SAC Adapter
DB25
1
2
3
4
5
6
7
8
Female
DCD
SG
DSR
CTS
RTS
RxD
TxD