DIGITAL LINK
SOLO 56/64 DSU/CSU (REV. A)
| 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) |
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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 |