Verilink 9000 Series (34-00271) Product Manual Uživatelský manuál Strana 52

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30 CHAPTER 2: INSTALLATION
Port 3
and
Port 4
Port 3 and Port 4 of the 9111 are DCE ports with an RS-232 interface. Table 2-14
shows the pinout of Port 3 and Port 4.
9111 Dual
RS-232
Expansion
Option
Module
This section describes the 9111 Dual RS-232 Expansion Option Module. The
module is a two-port RS-232C serial interface card for the 9111 MultiPro series
unit. The module has two female DB-25 connectors (Port 5 and Port 6) and
occupies the same expansion slot as the Ethernet option card shown in Figure 2-4.
The interfaces for the module expand the capabilities of the 9111 to five ports. The
two expansion ports can be configured for either DCE or DTE by positioning the
jumpers located on the circuit board (see Figure 2-11). All other parameters are
configured through the console interface or through the NMCS program the same
as the other serial ports.
Table 2-14
Port 3 and Port 4 Pinout
x
Pin Signal
RS-232C
Circuit
Symbol
1 Shield Ground AA
2 Transmit Data Ba
3 Receive Data BB
4 Request to Send CA
5 Clear to Send CB
6 Data Set Ready CC
7 Signal Ground AB
8 Data Carrier Detect CF
15 Transmit Clock DB
17 Receive Clock DD
PWR
RESET
SUPERVISORY PORT 1
PORT 2PORT 3PORT 4
PORT 6 PORT 5
113
1425
113
25
Figure 2-10
Front View of the 9111 Dual RS-232 Expansion Module
PORT 6 PORT 5
113
1425
113
1425
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