DIGITAL LINK SOLO 56/64 DSU/CSU (REV. B) Card Type DSU/CSU NIC Type T1 Chip Set Unidentified I/O Options AC power connector, DC power connector, data port via 25-pin connector serial port (RS-232), network interface via 15-pin connector Wiring Type RJ-48 shielded twisted pair Maximum Data Rate 56Kbps (64Kbps clear channel) Data Bus External [Image] CONNECTIONS Function Label Function Label AC power connector CN1 Network port via 15-pin CN4 connector DC power connector CN2 Serial port CN5 Data port via 25-pin CN3 Fuse F1 connector USER CONFIGURABLE SETTINGS Setting Label Position » Data port format V.35 selected S1/1 Off Data port format RS-449 selected S1/1 On » Factory configured - do not alter S1/2 Off » Factory configured - do not alter S1/5 Off » Factory configured - do not alter S1/6 Off » Factory configured - do not alter S1/7 Off » Factory configured - do not alter S1/8 Off » 56Kbps enabled S2/1 Off 64Kbps enabled S2/1 On » Network 64Kbps scrambler disabled S2/2 Off Network 64Kbps scrambler enabled S2/2 On » Network V.54 loop code enabled S2/3 Off Network V.54 loop code disabled S2/3 On » Network timing source enabled S2/4 Off Internal timing source enabled S2/4 On » Serial port stop bits (2) S2/5 Off Serial port stop bits (1) S2/5 On » Word length 8-bit enabled S2/11 Off Word length 7-bit enabled S2/11 On » DIP switch configuration enabled S2/12 Off Terminal configuration enabled S2/12 On Note: Off corresponds to the 1 or closed position. DATA PORT LOSS TYPE SELECTION Setting SW1/3 SW1/4 » RTS mode enabled Off Off DTR mode enabled Off On Disabled On Off SERIAL PORT RATE SELECTION Setting SW2/6 SW2/7 SW2/8 1200bps Off On On 2400bps Off On Off 4800bps Off Off On » 9600bps Off Off Off 14.4Kbps On On On 19.2Kbps On On Off 28.8Kbps On Off On 38.4Kbps On Off Off SERIAL PORT PARITY SELECTION Setting SW2/9 SW2/10 None Off Off Odd Off On Even On Off DIAGNOSTIC LED(S) LED Color Status Condition PWR Green On DSU/CSU power is on and has passed the self test PWR Red On DSU/CSU power is on; self test failed. Light changes green after 10seconds PWR Red/Green Blinking DSU/CSU is downloading code PWR Yellow Blinking DSU/CSU power is on; self test is running PWR Yellow On DSU/CSU is on; test other than self test is running PWR None Off Power is off NET Green On DSU/CSU is receiving a signal from network NET Red On DSU/CSU cannot synchronize to network frame NET Red/Green Blinking DSU/CSU is detecting a frame error or illegal BPVs from network NET Yellow On DSU/CSU is detecting CMI, OOS, or OOF error signal from network NET None Off DSU/CSU is not receiving a signal from network INB Red On DSU/CSU is in frame relay in-band management mode; no packets or HDLC flags have been received from network INB Yellow On DSU/CSU is in frame relay in-band management mode; no frame relay packets have been detected network INB Green On DSU/CSU is in frame relay in-band management mode; frame relay packets have been detected network INB Red/Green Blinking Error detected in the frame relay packets received from network INB None Off DSU/CSU not in frame relay management mode NLBK Red On DSU or CSU loopback initiated by user or management station NLBK Red Blinking Loopback in progress: CSU simplex reversal occurring or DSU detecting non-latching codes in 56Kbps NLBK Red Off DSU or CSU loopback test not running ACK Yellow On Remote loop (up or down) detected - Press buttons to run (up) or (down) remote loop test ACK Yellow Blinking Remote loop (up or down) test successful ACK Yellow Off DSU/CSU remote loop test not running DTE Yellow On DTE loopback running: LT not asserted - Press button to run test DTE Yellow Blinking DTE loopback running: LT asserted DTE Yellow Off DTE loopback not running TD Green On DSU/CSU is detecting pulses from the DTE TD Green Off DSU/CSU is not detecting pulses from DTE RD Green On DSU/CSU is receiving pulses from network RD Green Off DSU/CSU is not receiving pulses from network RTS Yellow On RTS signal is high RTS Yellow Off RTS signal is low CTS Yellow On CTS signal is high CTS Yellow Off CTS signal is low DTR Yellow On DTR signal is high DTR Yellow Off DTR signal is low