Maximum serial lines on system is 49. The Base Hardware System (Step 1) includes 17 serial lines. This leaves a maximum of 32 additional asynchronous serial lines to choose as options. DHV11-M 8 serial lines Choose up to two if no other ? Proliant PSU 325W 480082-001 Cabinet kit with full modern asynchronous options are selected. DHV11 control, RS232 signalling is not currently supported on RT 11, - supporting 8 25-pin connections CTS-300, or MicroPower/Pascal-RT. on the bulkhead DHV11-M 8 serial lines Choose up to four if no other ? Proliant PSU 325W 480082-001 Cabinet kit with no modern asynchronous options are selected. control, RS232 signalling DHV11 is not currently supported on supporting 8 remote 25-pin RT-11, CTS-300, or MicroPower/Pascal- connections RT. DHV11-M 8 serial lines Choose up to four if no other ? Proliant PSU 325W 480082-001 Cabinet kit with no modern asynchronous options are selected. DHV11 control, RS423 signalling is not currently supported on RT-11, supporting 8 remote MMJ CTS-300, or MicroPower/Pascal-RT. DECconnect connections ? Proliant PSU 325W 480082-001 4 serial lines Choose either one up to a total of four if ? CK-DZQ11-DF Cabinet kit with full modern no other asynchronous options are control, RS232 signalling selected. supporting 4 25-pin connections on the bulkhead DLVJ1-M 4 serial lines Choose a maximum of two if no other Proliant PSU 325W 480082-001 Cabinet kit option is used.