Multi-Tech Systems BL-Series - Manual (Page 23)

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Chapter 2 - Installation and Connection
2.2.4 Cabling Procedure (MT1432BLK and MT2834BLK)
Step Procedure
1 Verify that the settings for DIP-Switch #5 and DIP-Switch #10 match those of your system
configuration.
The 16-position DIP-Switch (numbered 1-16) is accessible through a cut-out on the right side (as
the LEDs are facing you) of the modem chassis. For a full description of all DIP-Switch Settings,
refer to
Chapter 9 .
DIP-Switch Condition Effect
#5 UP* Selects Answer mode
DOWN Selects Originate mode
#10 UP* Selects Dial-Up operation
DOWN Selects Lease Line operation
* indicates Factory Default setting
Note 1: BLK models use pins 1 and 6 of the BS-6312 plug for two-wire lines. For four-wire lines,
the modems use pins 1 and 6 to transmit and pins 2 and 5 to receive.
Note 2: BABT regulations require that telecommunication cables must be connected to the
modem prior to being connected to the network.
2 Verify that the ON/OFF switch at the rear of the modem to the OFF (Down) position.
3 Connect the modem to either a dial-up line or lease-line.
To connect the modem to a dial-up phone line, attach the BS-6312 telephone cord (provided with
your unit) to the PSTN connector on the modem and to a dial-up wall jack. Refer to Figure 2-3.
To connect the modem to a leased line, attach the BS-6312 telephone cord (provided with your
unit) to the LEASE connector on the modem and to a leased line wall-jack. Refer to Figure 2-3.
PSTN
ON
OFF
POWER
EIA RS232C
VOLUME
LEASE
Figure 2-3. MultiModemBLK Connections
4 Attach the EIA RS-232C connector on the modem to the serial port on your computer or terminal
with an RS-232 (or V.24) cable (you supply). Refer to Figure 2-3.
5 Attach the AC Power transformer provided with your unit to the POWER connector on the
modem and to a live AC outlet. Refer to Figure 2-3.
Note: Only apply power to the modem using the power transformer provided with your unit. Use
of a power supply not designed for your unit could result in damage to your modem and will void
the warranty.