Appendix E: Connector Pinouts120 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1DFigure E-2RS-530 InterfaceTable E-BRS-530 InterfacePin Name I/O Description1 ........................... Shield ................... I/O ........ Shield for cable2 ........................... TD-A ..................... I ............. Transmitted Data3 ........................... RD-A ..................... O........... Received Data4 ........................... RTS-A .................... I ............. Request To Send5 ........................... CTS-A ................... O........... Clear To Send6 ........................... DSR-A ................... O........... Data Set Ready7 ........................... SG ....................... I/O ........ Signal Ground8 ........................... CD-A .................... O........... Carrier Detect9 ........................... RC-B ..................... O........... Receive Clock (return)10 ......................... CD-B..................... O........... Carrier Detect (return)11 ......................... ETC-B.................... I ............. External Transmit Clock (return)12 ......................... TC-B ..................... O........... Transmit Clock (return)13 ......................... CTS-B.................... O........... Clear To Send (return)14 ......................... TD-B...................... I ............. Transmit Data (return)15 ......................... TC-A ..................... O........... Transmit Clock16 ......................... RD-B ..................... O........... Receive Data (return)17 ......................... RC-A ..................... O........... Receive Clock18 ......................... NC ...................... N/A....... No Connection19 ......................... RTS-B .................... I ............. Request To Send (return)20 ......................... DTR-A.................... I ............. Data Terminal Ready21 ......................... NC ...................... N/A....... No Connection22 ......................... DSR-B.................... O........... Data Set Ready (return)23 ......................... DTR-B .................... I ............. Data Terminal Ready (return)24 ......................... ETC-A ................... I ............. External Transmit Clock25 ......................... NC ...................... N/A....... No ConnectionI = Input ..............O = Output ....... N/A = Not ApplicableFigure E-3V.35 InterfacePIN 13 PIN 1PIN 25 PIN 14FEMALEV .35ABCDEFJL R V Z DD JJ NNN T X BB FF LLK P U Y CC HH MMH S W AA EE KKM