+-----------------------------------------------------------------+ | | | Black APC 940-0024C Smart Signalling UPS Cable Wiring Diagram | | This information is verified and tested to be 100% correct. | | | +-----------------------------------------------------------------+ | | | DB9M(UPS) 2m Cable DB9F(Computer) | | --------- -------- -------------- | | | | (SHELL)<---------+----//----+----------------<(SHELL) | | | | | | - - | | | | | | | | CHASSIS 9<--------------//---------------------<5 SG | | | | | | | | TXD 2<--------------//---------------------<2 RXD | | | | | | | | RXD 1<--------------//---------------------<3 TXD | | | | | | | | - - +--<1 DCD | | | | | +--<4 DTR | | NOTES: | | Cable type is shielded 28AWG. +--<7 RTS | | The DB shells are connected | | | to each other via the shield. +--<8 CTS | | | +-----------------------------------------------------------------+ | | | Operation: The UPS communicates with the Computer via | | ordinary RS-232 serial protocol at 2400-8N1 with software | | flow control. Jumpered pins in the DB9F connector are for | | automatic or PNP cable identification by UPS software. | | | +-----------------------------------------------------------------+ | | | Male (pins) Female (holes) | | DB9 RS-232 PC | | type connector 1 5 5 1 | | ---------------- _______________ _______________ | | Pinout numbering \ . . . . . / \ o o o o o / | | looking into the \ . . . . / \ o o o o / | | end of the cable ----------- ----------- | | 6 9 9 6 | | | | NOTE: Solder a wire to the metal shell for use as a FRAME-GND | | | +-----------------------------------------------------------------+ +-----------------------------------------------------------------+ | | | Gray APC 940-0020B Simple Signalling UPS Cable Wiring Diagram | | This information is verified and tested to be 100% correct. | | | +-----------------------------------------------------------------+ | | | DB9M(UPS) 2m Cable DB9F(Computer) | | --------- -------- -------------- | | | | (SHELL)<-------+----//----+-------------------<(SHELL) | | | | | | CHASSIS 9<--+ - - | | | | | | | | | COMMON 4<--+---------//------------------------<5 SG | | | | | | | | POWER-FAIL 2<------------//------------------------<8 CTS | | | | | | | | SHUTDOWN 1<------------//------------------------<4 DTR | | | | | | | | BATTERY-LOW 5<------------//--------47K--+--47K--+--<7 RTS | | | | | | | | | | - - | E | | | NOTES: |B |<--+ | | RTS must be held at +V SPACE. +---| | | TXD must be held at -V MARK. 2N3906 |---+--<1 DCD | | All resistors are 5% 1/8W CF. C | | | Cable type is shielded 28AWG. 4K7 | | The DB shells are connected | | | to each other via the shield. +--<3 TXD | | | +-----------------------------------------------------------------+ | | | Operation: The UPS communicates with the Computer via | | the RS-232 handshaking lines only, and does not use any | | serial protocol. Upon power fail, the UPS forces CTS to | | -V MARK. When the battery is low, the UPS forces DCD to | | +V SPACE via the transistor. When the Computer forces a | | +V SPACE on DTR, the UPS will shut down and turn off. | | Presence of the cable can be sensed by signaling on TXD | | while monitoring DCD. | | | +-----------------------------------------------------------------+ | | | Male (pins) Female (holes) | | DB9 RS-232 PC | | type connector 1 5 5 1 | | ---------------- _______________ _______________ | | Pinout numbering \ . . . . . / \ o o o o o / | | looking into the \ . . . . / \ o o o o / | | end of the cable ----------- ----------- | | 6 9 9 6 | | | | NOTE: Solder a wire to the metal shell for use as a FRAME-GND | | | +-----------------------------------------------------------------+ +-----------------------------------------------------------------+ | | | Gray APC 940-0095A Smart Signalling UPS Cable Wiring Diagram | | This information is verified and tested to be 100% correct. | | | +-----------------------------------------------------------------+ | | | DB9M(UPS) 2m Cable DB9F(Computer) | | --------- -------- -------------- | | | | (SHELL)<-------+----//----+--------------------<(SHELL) | | | | | | CHASSIS 9<--+ - - | | | | | | | | | COMMON 4<--+---------//-------------------------<5 SG | | | | | | | | BATTERY-LOW 5<------------//--------47K--+--47K--+---<4 DTR | | | | | | | | | | | +---<6 DSR | | | | | | | E | | | NOTES: |B |<--+---<8 CTS | | DTR must be held at +V SPACE. | | +---| | | TXD must be held at -V MARK. 2N3906 |---+---<1 DCD | | All resistors are 5% 1/8W CF. | | C | | | Cable type is shielded 28AWG. 4K7 | | The DB shells are connected | | | | | to each other via the shield. +----4K7---+---<3 TXD | | | | | | | | | | | | | | | | | 1N4148 | | SHUTDOWN 1<------------//----------+----|<|-------<7 RTS | | | | | | K A | | POWER-FAIL 2<------------//---------------------+---<2 RXD | | | | | | | | | - - +---<9 RI | | | +-----------------------------------------------------------------+ | | | Operation: The UPS can communicate with the Computer | | solely via the RS-232 handshaking lines, or via RS-232 | | serial protocol at 2400-8N1 with software flow control. | | Upon power fail, the UPS forces RI to -V MARK. When the | | battery is low, the UPS forces DCD to +V SPACE via the | | transistor. When the Computer forces a +V SPACE on RTS, | | the UPS will shut down and turn off. Jumpered pins in | | the DB9F connector allow for automatic automatic or PNP | | cable identification by UPS software. | | | +-----------------------------------------------------------------+ | | | Male (pins) Female (holes) | | DB9 RS-232 PC | | type connector 1 5 5 1 | | ---------------- _______________ _______________ | | Pinout numbering \ . . . . . / \ o o o o o / | | looking into the \ . . . . / \ o o o o / | | end of the cable ----------- ----------- | | 6 9 9 6 | | | | NOTE: Solder a wire to the metal shell for use as a FRAME-GND | | | +-----------------------------------------------------------------+ +-----------------------------------------------------------------+ | | | Universal APC serial extension cable for use in conjunction | | with an APC UPS cable. This cable is verified to work. | | | +-----------------------------------------------------------------+ | | | DB9M to UPS cable Shielded Cable DB9F to Computer | | ----------------- --- 28AWG ---- ---------------- | | | | (SHELL)<----+-------------//-------------+----<(SHELL) | | | | | | - - | | | | | | | | 1<------------------//------------------<1 DCD | | | | | | | | 2<------------------//------------------<2 RXD | | | | | | | | 3<------------------//------------------<3 TXD | | | | | | | | 4<------------------//------------------<4 DTR | | | | | | | | 5<------------------//------------------<5 SG | | | | | | | | 6<------------------//------------------<6 DSR | | | | | | | | 7<------------------//------------------<7 RTS | | | | | | | | 8<------------------//------------------<8 CTS | | | | | | | | 9<------------------//------------------<9 RI | | | | | | | | - - | | NOTE: The DB shells are connected to each other via the shield. | | | +-----------------------------------------------------------------+ | | | Male (pins) Female (holes) | | DB9 RS-232 PC | | type connector 1 5 5 1 | | ---------------- _______________ _______________ | | Pinout numbering \ . . . . . / \ o o o o o / | | looking into the \ . . . . / \ o o o o / | | end of the cable ----------- ----------- | | 6 9 9 6 | | | | NOTE: Solder a wire to the metal shell for use as a FRAME-GND | | | +-----------------------------------------------------------------+