| 001 | Remove STS-1 test and add DS4 |
| 002 | Removes STS-1 adds DS1/DS0 |
| 003 | DS3 pulse mask testing capability |
| 0YJ | Second DS3 receiver with pass |
| 101 | Retrofit: DS3 FEAC and C-bit access |
| 102 | Retrofit: STS-3c and Extended Overhead |
| 103 | Retrofit: extended overhead capability |
| 1A3 | Bellcore CLEI code |
| 1CF | Soft carrying case |
| 201 | Base jitter measurement capability |
| 202 | DS3 pulse mask testing capability |
| 203 | STS-12c and STS-12c/ATM test |
| 204 | STS-12c BNC error output |
| 205 | STS-12 ECL SMA Tx/Rx Data Clock |
| 206 | 1550nm IR rear panel laser Tx |
| 207 | 1310nm IR rear panel laser Tx |
| 208 | 1310nm LR rear panel laser Tx |
| 209 | 1550nm LR rear panel laser Tx |
| 230 | 230Vac operation |
| 231 | CE Compliance |
| 300 | Interchangeable optical connection |
| 301 | FC/PC adapters (2). |
| 302 | ST adapters (2). |
| 303 | D4 adapters (2). |
| 304 | SC adapters (2). |
| 310 | OC3/OC1 testing with IR optics |
| 311 | OC-12/3/3c/1 test with 1550nm |
| 8ZE | Factory Refurbished |
| 910 | Additional operating and service manual |
| 920 | Additional SCPI Programmers Manual |
| AW6 | AC/DC power supply |
| AXA | 19 inch Rack Mount Kit |
| AXB | 23 inch Rack Mount Kit |
| E6322A | DS3 PULSE MASK GRPHC S/W |
| H15 | STS-1 jitter filter |
| R01 | Media Retention |
| R02 | STS-3C and Extended Overhead Retrofit |
| R03 | Extended Overhead Retrofit |
| TEL2 | OPTS: OPTS URR, URS |
| TEL3 | OPTS: UQA,UQK |
| TEL4 | OPTS: 300,301,302,303,304 |
| TEL5 | OPTS: UQN,UQP,UQQ,UQR,URQ |
| TEL6 | OPTS:E6322A;E6347A;E6348A |
| TEL7 | OPTS:UHR;UQ1;UK7;UK6;URZ;USO |
| UHQ | RS.232 REMOTE FRONT PANEL |
| UHQ | RS232 Remote Front Panel |
| UHR | IEEE-488 and RS-232 interface |
| UHS | External Answer -Only Modem |
| UHT | DATA EVENT LOGGING |
| UHW | FC/PC Connectors |
| UHX | Fixed D4 optical connectors |
| UK6 | Commercial calibration with test results data |
| UK7 | Hard carrying case |
| UQ1 | BANTAM CONNECTORS |
| UQ7 | DS1C Test |
| UQA | VT1.5 mapping and test |
| UQC | STS-1 testing |
| UQG | OC3/OC1 testing with IR optics |
| UQH | OC3/OC1 testing with LR optics |
| UQJ | OC3/OC1 testing with LR optics |
| UQK | OC-12/3/3c/1 test with 1310nm |
| UQL | OC-12/3/3c/1 test with 1310nm |
| UQM | OC-12/3/3c/1 test with 1550nm |
| UQN | Base Meas. w/STS-1 Jitter Filt |
| UQP | DS3 jitter measurement |
| UQQ | DS1 jitter measurement |
| UQR | E1 jitter measurement |
| UQZ | Second DS3 transmitter&receive |
| UR0 | Set of 3 Rear Panel DS3 Output |
| URM | 1.544MHZ BITS CLOCK |
| URQ | E1/timeslot test with E1 drop |
| URR | DS3 test with drop/insert from |
| URS | DS1/DS0 test with drop/insert |
| URX | Set of 3 Rear Panel STS-1 O/P |
| URY | STS3-C testing |
| URZ | Advanced ATM test up to STS-3c |
| US0 | Fractional T1 Test |
| US2 | STS-3 ECL BNC Tx/Rx Data&TX Cl |