Black Box ME805-C, Short-Haul Modem B, ME810, ME800A-R2 manual SHM-B board 5-screw terminal block

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SHM-B ASYNC

5.Insert the wires into the terminal strip; tighten the screw terminals.

6.After you have made all four connections, wrap the nylon cable tie (packaged with the SHM-B) around the wires. Pull the tie tight around the wires to secure them to the printed circuit board. Trim the excess nylon tie with wire cutters or scissors.

DCE

DTE/DCE

DTE

J1 RS-232

CONNECTOR

JUMPER

DIS

RTS/DTR

CONTROL

RX+

RX-

TX+

TX-

GROUND

S2 (LOOPBACK)

Figure 1. SHM-B board; 5-screw terminal block.

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Contents Short-Haul Modem B SHM-B Async SHM-B Async SHM-B Async SHM-B Async Trademarks Used in this Manual Distance miles/km SpecificationsOperating Temperature 32 to 112F 0 to 50C SHM-B Async Introduction Four-Wire Connections InstallationSHM-B board 5-screw terminal block EIA-232 Connection Wiring diagram for two SHM-B unitsEIA-232 Pin Connections on SHM-B Switch SettingsPinning with DTE/DCE switch in the DCE position Flow Control ON/X-OFF Mode Operation Activating the Loopback switchSHM-B Async Rackmount Installation SHM-B Async Troubleshooting Guide SHM-B Async SHM-B Async SHM-B Async SHM-B Async SHM-B Async Copyright 2000. Black Box Corporation. All rights reserved