Smartlink Multimedia Conference Server Installation Manual - Promptus E1/isdn

Appendix C. Cables

C–12

Promptus E1/ISDN

A Promptus E1/ISDN cable connects a Promptus 

E1/ISDN module to an E1 or an ISDN PRI network.

Each E1/ISDN module

1

 provides two RJ-45 modular 

jacks:

❐

For a single-interface module, you must use the jack 

next to the LEDs.

❐

For a dual-interface module, you can use both jacks.

Each E1/ISDN module ships with an E1/ISDN cable with 

an RJ-45 modular plug. 

Use the following specifications when building your own 

E1/ISDN cable:

❐

Maximum length 655 feet (199.5 meters)

❐

Shielded

❐

Stranded

❐

24-AWG cable

❐

2-pair, twisted-pair inside telephone wire

1.

An E1/ISDN module uses RJ-45 signaling.