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Technical Specifications
Note:
Switch 2/64 detects modems only during the power-on or reboot sequences, and
automatically initializes them for operation. If modems are connected to an operating
switch, a power on/off cycle, reboot, or fast reboot is required in order to detect the
modem(s).
Connect a Y cable on the telephone line to each modem The active CP card
answers on the first ring. If the active CP card fails to answer, the standby CP card
answers on the 7th ring.
Table 20: Modem Serial Port in Outs
1
2
3
4
5
6
7
8
9
182
The modem port can be used for attaching a modem to each CP card. The Core
PIN
Signal
DCD
RxData
TxData
DTR
GND
DSR
RTS
CTS
RI
Description
Data Carrier Detect
Receive Data
Transmit Data
Data Term Ready
Logic Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
Core Switch 2/64 V4.1 Installation Guide
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