Castelle FaxPress Specifications download pdf (Page 641)

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Appendix E: The FaxPress 7500-DID and E&M

E—3

3. number of incoming DID digits.

Interface Connections

The FaxPress 7500 DID has two sets of interface connections, the fax server

interface and the DID conversion interface.

Fax Server Interface

All eight lines of the FaxPress 7500-DID’s fax server can be connected to public

switched telephone networks. Eight RJ11 phone jacks marked as LINE 1 to LINE

8 on the front panel and eight phone cables are provided for the phone line

connections. These eight phone line cables are 4-conductor, straight-through

cables, which means pin 2 of the the cable’s RJ11 plug connects to pin 5 of the

RJ11 plug on the end of the cable, pin 3 connects to pin 4 …and so forth.

Up to four of the eight fax server lines can be attached to the DID converter for

the DID trunk line connections. Use any four of the eight RJ11 phone jacks

marked as LINE 1 to LINE 8 on the front panel, and any of the four phone cables

to connect to the RJ11 phone jacks of the DID interface converter marked as LINE

A, LINE B, LINE C, and LINE D.

DID Conversion Interface

The DID converter provides four DID trunk line interfaces. The front panel’s four

RJ11 phone jacks (TRUNK A, TRUNK B, TRUNK C, and TRUNK D) and four

phone line cables are provided for the purpose of DID trunk connections. These

four phone line cables are 6-conductors, cross-wired, which means pin 1of the

RJ11 plug of the cable connects to pin 1 of the RJ11 plug on the end of the cable,

pin 2 connects to pin 2 …and so forth.

The RJ11 phone jacks marked as TRUNK A and LINE A on the front panel are a

matched input and output pair from the DID trunk line to the fax server. The same

applies for TRUNK B and LINE B, TRUNK C and LINE C, and TRUNK D and

LINE D.

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Castelle FaxPress Specifications Page 641

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