
13 ISDN BRI-S/T I/O CARD
3006M100-002
13-5
NOTE: To Our Users in Australia
When connecting an ISDN BRI-S/T interface, you should only use CCL
listed interconnection cables as they adhere to technical standard TS 008.
13.1.3
Power
Power
Consumption
4.0 Watts (13.6 BTU/hr).
Power Source
The motherboard 120-pin connector su5 and +15 VDC to the card and
provides the Ground return.
On-board
Power Supply
and Detection
In the NT configuration, the card can supply (between the Tx and Rx lines) up to
25mA at 40 VDC (PS1 or phantom power) to an external device.
In the TE configuration, the card is able to detect the 40VDC (PS1 or phantom
power) from the ISDN S/T line.
WARNING:This equipment will not operate when main power fails.
Table 13-2 Signal Pin-Outs for ISDN BRI-S/T Port
Pin #
TE Signal
NT Signal
1
not used
not used
2
not used
not used
3
+Transmit
+Receive
4
+Receive
+Transmit
5
- Receive
- Transmit
6
- Transmit
- Receive
7
not used
not used
8
not used
not used
Summary of Contents for CX900e
Page 1: ...CX900e Hardware Reference Manual Mkt ID AD010010 Part 3006M100 002 Date March 2000 ...
Page 4: ......
Page 11: ......
Page 12: ......
Page 22: ......
Page 24: ......
Page 26: ...CX900e Hardware Reference Manual 1 2 3006M100 002 Figure 1 1 The CX900e Access Switch ...
Page 33: ...1 OVERVIEW 3006M100 002 1 9 ...
Page 34: ...CX900e Hardware Reference Manual 1 10 3006M100 002 ...
Page 40: ......
Page 45: ...3 MOTHERBOARD 3006M100 002 3 5 ...
Page 46: ......
Page 52: ......
Page 74: ......
Page 82: ......
Page 114: ......
Page 118: ......
Page 130: ...CX900e Hardware Reference Manual 14 6 3006M100 002 ...
Page 138: ......
Page 152: ......
Page 184: ...CX900e Hardware Reference Manual 20 32 3006M100 002 ...
Page 186: ......
Page 194: ......
Page 200: ......