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 |
CONNECTIONS | |||
Function | Label | Function | Label |
AC power connector | CN1 | Network port via 15-pin connector | CN4 |
DC power connector | CN2 | Serial port | CN5 |
Data port via 25-pin connector | CN3 | Fuse | F1 |
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 |