Vanguard 320 Cabling
B-3
ISDN Cable
ISDN Cable
Specification
The ISDN cable shipped with the ISDN Daughtercard has the following
specification:
Connector Pinout
The following table shows the pinouts for the RJ45 ISDN U and S/T connector.
The connector pins are numbered from right to left as indicated in the following
diagram:
Figure B-1. ISDN Connector Pinout
The ISDN connector can accept either an RJ11 or RJ45 connector. If you are using
an RJ11, pin 1 and pin 8 are not used.
S/T ISDN
Termination
Resistance
For operation of the Vanguard 320 in Europe, you may need to set the terminal
resistance. For more information on setting the terminal resistance, refer to the
Daughtercard Installation Guide
.
Interface
Connectors
Part Number
U interface (North America)
RJ11-to-RJ11
61766-02
S/T interface (Europe)
RJ45-to-RJ45
61545-01
Pin
U Interface
S/T Interface
Name
Function
Name
Function
1
Battery Status
No connection
PS 3+
No connection
2
Battery Status
No connection
PS 3-
No connection
3
---
No connection
TE NT +
TE to NT pair, no
power connection
4
Signal
U interface tip or
ring
NT TE +
NT to TE pair, no
power connection
5
Signal
U interface tip or
ring
NT TE -
NT to TE pair, no
power connection
6
---
No connection
TE NT -
TE to NT pair, no
power connection
7
Powering
No connection
PS 2 -
No connection
8Powering
No connection
PS 2 +
No connection
Pin 8
Pin 1
Содержание 68390 - Vanguard 320 Router
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