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7
iQ6 U-interface (RJ-11)
PIN
DESCRIPTION
1
N/C
2
N/C
3
LINE R
4
LINE T
5
N/C
6
N/C
Note that the polarity of the line connections doesn’t matter.
ISDN Worldwide (outside the USA & Canada): The S/T Interface
The S-interface version of the iQ6 connects to the NT1 at one of its terminal jacks. The NT1 is sometimes
generically called a NCTE (Network Channel Terminating Equipment) or, in some countries an NTBA.
iQ6 S-Interface (RJ-45)
PIN
DESCRIPTION
1
N/C
2
N/C
3
TRANSMIT TO N
4
RECEIVE FROM N
5
RECEIVE FROM NETWORK -
6
TRANSMIT TO NETWORK -
7
N/C
8
N/C
ISDN S-interface cable
Use only an 8-conductor RJ-45 style cable. Unshielded twisted pair Category 3 or better cable should be used.
ISDN S-Interface Cable (RJ-45)
PIN
COLOR
DESCRIPTION
1
WHITE/GREEN
PS3 POWER +/GROUND (OPTIONAL)
2
GREEN
PS3 POWER – (OPTIONAL)
3
WHITE/ORANGE
TRANSMIT TO N
4
BLUE
RECEIVE FROM N
5
WHITE/BLUE
RECEIVE FROM NETWORK -
6
ORANGE
TRANSMIT TO NETWORK -
7
WHITE/BROWN
PS2 POWER - (OPTIONAL) **
8
BROWN
PS2 POWER +/GROUND (OPTIONAL) **
TIA 568A Category 5 cable colors shown. Both ends are wired identically - not crossover.
** The iQ6 does not use these power connections
When fully wired, this cable has four twisted pairs “straight through” just as with cables used for Ethernet.
Both ends are wired identically. The outside pairs are not required and may be omitted.
