DM16E1 / DM4E1 Operation and Installation Manual - 204-4001-19 18
3. MANAGEMENT VIA THE TERMINAL PORT
DM4E1 and DM16E1 can be configured in two ways: via SNMP (DmView software) or via a VT100
Terminal or emulator.
This chapter addresses management via a Terminal port. For information with respect to management via
DmView, please consult the user’s guide that accompanies the DmView application software.
3.1. PC or Terminal Connection
The DM16E1/DM4E1 cards have a DB9 female connector on their front panel for the connection of the
equipment to a PC or Terminal, by means of a cable with a DB9 male connector at the end of the
DM16E1/DM4E1 and a female DB9 or DB25 connector on the end of the PC. The pinout is presented in
the table below:
DB9 (DM16E1/DM4E1 DB9 (PC) DB25 (PC)
pin 2 pin 2 pin 3
pin 3 pin 3 pin 2
pin 5 pin 5 pin 7
Table 4. Pinout of the DM16E1/DM4E1 – PC serial connection
To be sure that this will not happen, measure the voltage between these pins using an AC voltmeter. If a
potency difference is detected, check to see whether the DM16E1/DM4E1 and the PC are duly grounded
and then interconnect the signal ground to the DM16E1/DM4E1 frame ground (see item 10.1). This should
solve the problem. After taking these steps, measure the AC voltage again before connecting the serial
cable.
3.2. Introduction
Management via a Terminal port permits:
• Remotely:
− To configure all equipment interfaces.
− To activate tests on interfaces.
− To check the status of interfaces.
• Locally only:
− To configure SNMP parameters and the equipment network.
− To reconfigure the terminal access password.
− To restart the equipment.
For remote equipment management, it is necessary to connect them to the local equipment via an
aggregate link.
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