| 01 | DP, MF, DTMF Receiver Analyzer |
| 02 | SF Supervision |
| 03 | Remote Control |
| 04 | Digit Receiver |
| 05 | Ring Load |
| 06 | P/AR (Peak to Average Ratio) |
| 07 | 3 Level Impulse Noise |
| 08 | Supervision Monitor |
| 08E | DS-1 PCM Send / Receive (Single Direction) with D4 Superframe and Extended Superframe Capability |
| 09 | Wink Timing |
| 09E | DS-1 PCM Dual Direction Drop/Insert with D4 Superframe and Extended Superframe Capability |
| 10 | Frequency Sweep |
| 100 | |
| 10C | RS-232C Remote Control / Printer Interface |
| 11 | Impulse Noise & Hits |
| 114A | LTTP/STTP Trunk Test Panel Adapter |
| 12 | ROTL Remote Office Test Line. Interrogator. Responder (Type 105 Format). Requires Option 01. |
| 13 | Ring Generator / True REN-3 Load |
| 14 | LTTP/STTP (No. 1/1A ESS only) Interface. Requires Option 114A. |
| 15 | Beep On Error? |
| 16 | Operation From - 48 VDC Office Battery Power Instead of 115 VAC, 60 Hz |
| 17 | Removes 2W/4W Analog Interface for DS-1 Operation Only (Requires Option 08E or 09E) |
| 18 | Phase / Amplitude Jitter and Hits (Requires Option 07) |
| 19 | Envelope Delay Distortion |
| 20 | 4-Tone Intermodulation Distortion (Licensed Under HLI Patent 3852380) |
| 21 | Toggle A/B Bits |
| 22 | DS-1 and DS-0 (56/64 Kbps) Bit Error Rate Testing (Requires Option 08E or 09E) |
| 23 | SLC-96 Control Bits |
| 24 | Post TPT Delay |
| 25 | FXO/FXS Supervision (Requires Option 09E) |
| 26 | ROTL/Responder |
| 27 | Digital Switch Corporation Software Package (Consult Factory Before Ordering) |
| 28 | |
| 29 | Call 102 Line |
| 30 | Adjust TLP |
| 300 | ENHANCED DIGITAL SIGNAL PROCESSOR |
| 31 | Send Hook Flash |
| 32 | Dial Up Test Line |
| 33 | Dial Up Sweep |
| 34 | Select Reports |
| 35 | Dual Tone Sender |
| 36 | |
| 37 | Line Status |
| 38 | |
| 39 | Remote Audio |
| 40 | Send PCM Alarms |
| 41 | Read T1 Voltage |
| 42 | T1 Wander |
| 43 | T1 Error Counters |
| 44 | T1 Error History |
| 45 | T1 Error Inject |
| 46 | DS-1 Bit Error Rate |
| 47 | APS Test |
| 48 | CSU Emulation |
| 49 | |
| 50 | Batch Mode |
| 51 | Test Results |
| 52 | |
| 53 | |
| 54 | DCS Interface |
| 55 | Fractional T1 BERT |
| 56 | DS-O Bit Error Rate |
| 57 | DS-O Loopback |
| 58 | DDS Bit Error Rate |
| 59 | |
| 60 | |
| 61 | |
| 62 | |
| 63 | |
| 64 | |
| 65 | GND-ST Coin Phone |
| 66 | |
| 67 | |
| 68 | |
| 69 | |
| 70 | |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | Remote Upgrade |
| 76 | |
| 77 | |
| 78 | |
| 79 | |
| 80 | Keyboard Lockout |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 87 | TPT Burst Length |
| 88 | |
| 89 | Printer Handshake |
| 8E | |
| 90 | DSP Memory Test |
| 91 | Software Version |
| 92 | Software Cold Boot |
| 93 | Test Display |
| 94 | List Options |
| 95 | Dry Circuit |
| 96 | Test Extended RAM |
| 97 | Hold Control |
| 98 | ESF Board Software Version |
| 99 | |
| B8ZS |