Lucent Technologies PortMaster OR-HS, Руководство по установке оборудования

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RS-530 Cable
D-6 PortMaster Office Router Hardware Installation Guide
RS-530 Cable
Table D-5 gives pinout information for a synchronous RS-530 cable with DB-25
connectors. Pins not listed have no connection.
Table D-5 Synchronous RS-530 Cable
PortMaster
Port W1 RS-530
CSU/DSU Pin
Name Definition Direction
2 2 TXD Transmit Data Output
14 14 TXD-
3 3 RXD Receive Data Input
16 16 RXD-
4 4 RTS Request to Send Output
5 5 CTS Clear to Send Input
6 6 DSR Data Set Ready Input
7 7 SGND Signal Ground
8 8 DCD Data Carrier Detect Input
15 15 ST Send Timing Input
13 12 ST-
17 17 RT Receive Timing Input
19 9 RT-
20 20 DTR Data Terminal
Ready Output